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:::MilanoH22ALUDE's::: 1991 BB1

 
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Old 03-30-2010, 05:19 PM
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:::MilanoH22ALUDE's::: 1991 BB1 Si Vtec

Hey all. Figured I may just as well post my pride and joy up too.

Now itís not your usual prelude, it has a few interesting traits:

Firstly itís a 1991 BB1 4th gen. So yes that means it must be a JDM prelude. I have owned it since 2004, bought it in bone stock condition (142k kmís on the clock). Unfortunately due to technology advancing too slowly for me, I donít have that many high resolution pics of what the prelude looked like when I got it.

Secondly, it seems to be unkillable!!! I have been driving the Prelude for atleast 5 years with a dyno curve that indicates H22A death!!! I will post it up too. The curve indicated that my engine runs lean, very lean in Vtec, thatís right an H22A that runs lean.

After spending basically a year trying to figure out why I am not getting enough fuel from my stock ECU, I think I have pinned it down to the fuel pressure regulator being lazy. It works fine at idle etc but once the rpm climbs the fuel pressure sits too low and the engine simply runs out of fuel. I have now installed a fuel pressure regulator so itís dyno time.

Thirdly, the look can change with the weather/my mood. I came across a very cheap opportunity to fit and spray a bodykit myself. And yes I can see your faces drop but bear with me, it was a fun project, but I still prefer the stock look! I only have the kit on when I get bored with the stock look, so its rare.lol

Enough chat, here she is:

Some old pics with the bodykit on:

I love this one, spot the Preludes!!!








Current Exterior:











Lip respray:



















Interior (will try to take some more in day light):




Ps, the stock cluster had 218k km's on it, all up she now has 222k km's on the clock, so disregard the 164k km's on the EL gauge.lol



Engine bay:







D1 Spec Fuel pressure regulator!


Dyno related:


Sad but its true, she has the torque (around 206nm, at the wheels) but dries up once you reach 5.5K rpm. Just accepted it on the road, only now that I have increased the fuel pressure from 35psi with no vac to 41 psi with no vac do I notice how lean she was before!



That sums it up for now

Modification list:


Engine:
Custom CAI, 3í intercooler pipe used to reallocate the 15cm long Simota pod filter.
D1 Spec fuel pressure regulator
Custom aluminium strut brace
Valvoline R1 10w 40 oil, with Proma engine additive.
NGK iridium spark plugs
Vision 10mm ignition leads
Decatted exhaust with a Denso oxygen sensor, with a euro style powerpro muffler

Exterior:
Fiber glass Jun aero replica bonnet (weighs about 15kg!)
Full bodykit (Veilside front and sides, Black widow rear, all custom mounted to allow removal of the whole kit and replacement with stock bumpers in 1 hour!)
Angel eye projector headlights
Custom modified stock tail lights or black altezza tail lights (with body kit)
Clear side marker indicators
JDM fog lights with stock front bumper, aftermarket spotlights on bodykit
35% window tints

Interior:
Aftermarket steering wheel with custom boss kit to accommodate for 4WS and cruise control
Factory EL gauge install
5 Autogauge gauges (oil pressure, coolant temp, volts, vacuum and oxygen sensor)
Field super fuel controller (speed limiter removal & rpm shift buzzer)
SAFC II fuel controller
Custom made Aluminum floor mats
Retrimed rear parcel tray and tweeter covers
Red LED neons under the seats and in the boot
Sunvisor DVD player

I.C.E:
Complete Sony system consisting of Sony head deck (52Wx4), Sony 240W 6ís, Sony 350W 6x9ís in custom made holders, Sony tweeters, Sony 1200W subwoofer in custom enclosure, Sony 600W 4 channel and Sony 800W 2 channel amps, and 2 Rampage wiring kits to power it.

Suspension...
...is still basically stock, but I am hoping to change that in the future
Konig Hotswap 17ís with Kingstar 215x40 tyres
Ferodo brake pads all round

Misc.
-

Future mods
LMA replacement, have the parts already
Maybe a head swap (I have a brand new P5M h22a head, was kinda hoping for another block to fit it to!)
Still need to get a good header and maybe if money is willing more exhaust work.
Adjustable coil overs would be nice with some Polyurethane as icing on the cake!

Hope you enjoyed, feel free to comment!
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1991 BB1 Honda Prelude Daily (auto box)- 15.34 @ 150km/h
1992 BB4 Honda Prelude Drag Build- 14.43 @ 158km/h

Last edited by MilanoH22ALude; 12-20-2012 at 05:35 PM.
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Old 03-31-2010, 12:20 PM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

lower that prelude
nice engine and power man :)
but that styling/bodykit.. belongs on a Ricy civic hehe
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Old 03-31-2010, 12:30 PM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

I'd have to say I liked it 1000000x better with the accord lips. The kit looks like it was done right though. JDM head lights and a drop would be helpful I think. Is that a JUN hood? If so, sell me it!!
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Old 03-31-2010, 05:27 PM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

I sorta agree with djp, it looked nicer before. But that front kit does have an aggressive look that works well with the shape. And the custom badgework on the rear looks good too - is that a fifth gen badge set?
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Old 03-31-2010, 05:49 PM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

Quote:
Originally Posted by Honda4lifeprelude View Post
lower that prelude
nice engine and power man :)
but that styling/bodykit.. belongs on a Ricy civic hehe
Lowering is on top of my list of things to do, along with sway bars. And yes the kit is extreme but that's what I liked about it. Becomes hard to know what car it is unless you know Hondas. Most people who don't know ask if it's a Supra (with the kit on).lol. So yea the kit was merely a fun experiment/learning curve.lol.

Quote:
Originally Posted by djp View Post
I'd have to say I liked it 1000000x better with the accord lips. The kit looks like it was done right though. JDM head lights and a drop would be helpful I think. Is that a JUN hood? If so, sell me it!!
I am only driving with the accord lips now, only had the kit on for about a year, the photo's of it above are just before I took the kit off to try the lip kit I fitted late last year. I have JDM head lights but I need to try to restore them. They faded beyond repair! Will see if I can sand them down and give them a new layer of clear coat. Here is a pic of how bad they got (even after sanding and reclearing they would go yellow in 6 months....)

And yes the paint work began to fade rather badly! The bodykit was my excuse to have a go at respraying the whole car.

And yes its a Jun replica bonnet, looks good and weighs next to nothing!

Quote:
Originally Posted by Brash22 View Post
I sorta agree with djp, it looked nicer before. But that front kit does have an aggressive look that works well with the shape. And the custom badgework on the rear looks good too - is that a fifth gen badge set?
As above, the accord lip kit is the newest look. The pic above is what she looked like before the bodykit and the first pics of the accord lip add-on were taken a few days ago. The letters/badges are ones that I got from a local sign shop, not Prelude or 5thgen specific. They work well and have lasted well in the extreme temps/weather they get exposed to. It really sends out the theme for me, I don't just drive a Honda, I drive a PRELUDE!

Thanks for the feedback!
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1991 BB1 Honda Prelude Daily (auto box)- 15.34 @ 150km/h
1992 BB4 Honda Prelude Drag Build- 14.43 @ 158km/h

Last edited by MilanoH22ALude; 03-31-2010 at 05:53 PM.
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Old 03-31-2010, 07:58 PM
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missin' the lude.

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Re: :::MilanoH22ALUDE's::: 1991 BB1

Where did you find that hood bro?
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Old 03-31-2010, 08:25 PM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

Word of mouth so to speak. A mates mate was going to fit it to his prelude but unfortunately his car got written off, and I was looking for a bonnet and thus got lucky. It was in really bad shape though, deep scratches etc but with 5 or so coats of primer and lots of sanding I managed to get it to look good again! So yea, never actually entered the market place, other wise it would just vanish and I haven't seen any since....
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Old 07-07-2010, 12:23 AM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

sweet man looks good
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Old 07-19-2010, 01:17 AM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

An update:

Have installed new rear brake pads (Ferodo), an Apexi SAFC 2, a catch can and replaced my Lost Motion Assemblies (LMA's), timing belt, balancer belt, water pump, timing adjuster assembly and a new vtec solenoid.









I had my timing belt replaced by a Honda dealer around a year ago, but they made a mess of the job, or so I discovered once I wanted to replace my LMA's. The timing belt adjuster nut was seized up, meaning that I could not relieve tension on the timing belt....

For a bolt that should only be 45 nm it took a royal beating! I went at it with a spanner, monkey/plumbing wrench, blow torch, wrench and hammer, cut the nut's end of + CRC, cutting slices through the nut. The only thing that worked (my last resort) required Ryobi reciprocating power and cutting the bolt right off!!! Once that nut was off I could do my LMA's, had to buy a large number of parts to do the job though.... New LMA's make the engine sound like new again. Now for the pics:

Just as the work began:


The abused nut that would not budge:


Cut the end of to allow some CRC to reach the thread:


Last resort was to simply cut the bolt:


Bolt out, timing and balancer belts off:


Valve cover off:


Dizzy and Vtec solenoid removed, cam keepers loose:


Approaching the cams:


Cams out, severly sticky LMA's spoted:


Rocker shaft out, rockers out, LMA swap:


LMA comparison (NSX LMA on the left, stock P13 LMA on right)


New LMA's in:


Looks at home:


Organization:


The new head I sourced for a rainy day, switched oil/vtec oil pressure control orifices and vtec solenoid:


What a team, lasted 230k km's with atleast 80k km's of hard driving.lol
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1991 BB1 Honda Prelude Daily (auto box)- 15.34 @ 150km/h
1992 BB4 Honda Prelude Drag Build- 14.43 @ 158km/h

Last edited by MilanoH22ALude; 10-21-2010 at 05:50 PM.
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Old 10-21-2010, 05:57 PM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

Small update:

Opened up the EL gauge and did some modifications:
From this:


To this:







Got another intake manifold, will be mildly porting and modifying the manifold.
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1992 BB4 Honda Prelude Drag Build- 14.43 @ 158km/h
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Old 02-14-2011, 05:47 PM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

Got around to doing some work on the intake manifold:



Some mild porting


Noticed the factory porting of the IAB valve plate vs the manifold is poor, so I enlarged the ports around it:










Also did some minor polishing of the outside of the top chamber:


Just about done and ready for the car!
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1992 BB4 Honda Prelude Drag Build- 14.43 @ 158km/h
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Old 02-14-2011, 06:00 PM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

sooooooooooooooooo clean
how big is the adaptor on your rad hose for your temp?
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Old 02-15-2011, 12:22 AM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

Thanks, she's not perfect but getting there slowly!

Off memory its a 30mm outer diameter sensor adapter, but its been a few years since I bought it.lol. Would pay to crudely measure the outer diameter of your radiator hose just to confirm.
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Old 02-15-2011, 12:35 AM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

my rad hose should be smaller then yours. just wanted a general idea of how big yours was (thats what she said) lmao
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Old 02-15-2011, 02:06 AM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

Quote:
Originally Posted by M0B5TA View Post
my rad hose should be smaller then yours. just wanted a general idea of how big yours was (thats what she said) lmao
^ROFL.

Why is it going to be smaller, your running an H22A? But yea, simple sensor install providing you don't snap off the upper radiator cover outlet nozzle...
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Old 02-15-2011, 10:55 AM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

Quote:
Originally Posted by MilanoH22ALude View Post
^ROFL.

Why is it going to be smaller, your running an H22A? But yea, simple sensor install providing you don't snap off the upper radiator cover outlet nozzle...
i have gates racing rad hose. they are just a little bit smaller then the stock ones
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Old 02-21-2011, 07:34 PM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

Managed to kill my front engine mount:




And I finally got a chance to get an AEM UEGO Wideband sensor installed!
Removed the stock sensor and placed the AEM wideband sensor in the factory sensors location (thread matched!). Then I had to reallocate the stock narrow band sensor:


Yes I should have welded the sensor in but I had no gas for the welder so I decided to thread the CAT instead. Then some instant steel in case it leaks. Been working great so far :)





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Last edited by MilanoH22ALude; 02-21-2011 at 07:36 PM.
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Old 05-03-2011, 11:13 PM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

Update:
Got my car onto a dyno again and was finally able to see if my FPR was able to fix up my power curve.




The new and old plots over lain:


For what ever reason the dyno was reading around 10wkw lower than normal on the day. A Euro R with a proven 146wkw (on a few dyno's) only yielded 136wkw with no new modifications and stock type S's and euro R's were pulling out 120wkw...

Happy to see a normal looking power curve, now for a decent tune. Seems an air fuel ratio of 13:2, no more no less, is where my engine is at its happiest. Only changes from the blue to the red line are:

D1 spec fuel pressure regulator, vacuum off fuel pressure set at 44psi.
SAFC II to control MAP signal rather than Gizzmo CAMFC.
AEM UEGO wideband.
98 octane with octane booster, making it 99 octane.lol
New spring type LMA's.
And around 10k kms.

Due to my previous blue run having knock from the 14:1 air fuel ratio and subsequent ECU intervention, I was hesitant to keep my "bum dyno" SAFCII settings so I backed the amount of MAP I was removing down across the board. Still running marginally lean in midrange and very rich up top so some tuning should bump up the power a bit more.

Still happy with the change, cant describe the before and after engine response! Gaining 50-150 wNM (probably 10-50 actual NM) makes a huge difference!

Here is a video of one of the dyno runs:



Also got to do a top speed run:
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1991 BB1 Honda Prelude Daily (auto box)- 15.34 @ 150km/h
1992 BB4 Honda Prelude Drag Build- 14.43 @ 158km/h

Last edited by MilanoH22ALude; 05-04-2011 at 12:01 AM.
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Old 01-22-2012, 01:12 AM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

Finally got around to doing suspension!

Started with Tein super low springs







Which gave me a decent low stance (85mm off the ground from the exhaust and 110mm from the body!):







Then I got some Honda Access springs and struts (made by Mugen apparently) from a 1997 5th gen. Despite the "internet" saying they will fit no problem, I had to swap out the 5th gen top plate due to being different in design (5th gen has a stock strut brace). Apart from that the shocks are great, noticeably lower body roll and just the right stiffness. Suppose to lower the the 5th gen by 20mm and be 15% stiffer than stock.






Custom brake hose bracket:

The end product:


Also heat wrapped my stock header and cleaned out the exhaust ports!

Valves look a little worn!






After heat wrap and cleaning:


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Old 02-03-2012, 12:44 AM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

Nice!!! just found your build thread man, great job keep it up!!
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Old 02-03-2012, 01:53 AM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

Clean stuff man
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Old 03-18-2012, 04:18 AM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

Thanks guys, will aim to keep good progress!

Update:

New exhaust, initially a cheap stock replacement header and then a hytech replica, flowing into a 2.5' mandrel bent exhaust with a TRR brand rear muffler.

Also fitted a trany oil cooler with a temp sensor.

Decided the stock exhaust was no longer good enough and wanted to do the 2.5' collector mod to a cheap and nasty stock replacement header. This was all good and well except when I went to fit the header to see how it performs on the dyno relative to stock before modification.





Problems: The exhaust primaries/head flange was not square, the head flange bolt holes were massive-preventing any port matching, each primary pipe had a different length/over all volume (messing up pulse timing), merging of the primaries was not balanced (cylinder 2 and 3 merged later...), the collector was 2' and the flange did not bolt up to the stock flange....

Returned it as faulty, and sure it looks bling but its cheaper for a reason... and thus spent much more cash on a Hytech replica, but it was money well spent. Was a pain to fit (3hours plus on just the header... fair bit of welding, fitting to car, welding again etc etc), but the change in engine note and pull is worth it!

Hytech left vs cheap header


Ports not even cut right:


Vs stock, hard to keep the hytech standing

2.5' vs stock exhaust



Stock exhaust with Euro style muffler


2.5' exhaust with TRR rear muffler


Fitment under way



Its ugly, had issues with the argon gas not welding right and the welders magnet not connecting to the round pipe but its welded.lol

Header-check, wide band-check, flexi-check, stock narrow band-check, all I missed was the CAT temp sensor (jdm annoyance, will fit it soon as the ecu is not using narrow band due to the sensor being missing)...


Trany cooler:

Autogauge oil temp sensor mounter

Also note the velocity stack pod, amazing filter!

Header post VTEC!




Loving the new exhaust! Throttle response is great, low end (below 3k) is marginally reduced, mid right through to red line is great!!! Going to the drag strip soon and will endeavor to get to a dyno soon too!
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1991 BB1 Honda Prelude Daily (auto box)- 15.34 @ 150km/h
1992 BB4 Honda Prelude Drag Build- 14.43 @ 158km/h

Last edited by MilanoH22ALude; 03-18-2012 at 05:38 AM.
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Old 05-09-2012, 02:49 AM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

Header color change after a few drives:


Got lucky at the junk yard and scored a BB4 manual EL cluster. Swapped it out for the auto EL cluster that had a faulty speedo needle (not lighting up and no speed readings...).
Old auto cluster:


"New" manual BB4 cluster:


Some drag day pics:





Also managed to rev beyond the rev limiter at a recent drag day, normally the limiter is at ~7655rpm...


Blox velocity stack filter with "custom" enclosure
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1991 BB1 Honda Prelude Daily (auto box)- 15.34 @ 150km/h
1992 BB4 Honda Prelude Drag Build- 14.43 @ 158km/h

Last edited by MilanoH22ALude; 05-21-2012 at 02:19 AM.
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Old 05-27-2012, 11:14 PM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

Got a couple of dyno runs done and the results are decent! Yet to get my car on a dyno that reads "normal", with this one also giving lower readings (5-10% lower) that other dyno's in my area.





Put down 127wkw at ~7k rpm and ~715wnm at ~5.8k rpm. Relative to other cars on the same day: an Eg-Euro-R transplant (engine and G-box) with boltons and a hytech-replica with 2.5' exhaust made 134wkw, stock Euro R H22As (manual G-box) were putting down around 121wkw. So a solid result given the automatic gearbox on this engine!

A video of this dyno run:




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1991 BB1 Honda Prelude Daily (auto box)- 15.34 @ 150km/h
1992 BB4 Honda Prelude Drag Build- 14.43 @ 158km/h

Last edited by MilanoH22ALude; 01-18-2013 at 01:40 AM.
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Old 07-05-2012, 01:58 AM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

Some recent drag strip videos:

Random run against a Subi

Dash view:

Dash view:


New best time was 15.345 @ 93.11mph. Still more in it, just need to play around with the setup!





Also starting a long term project:

High compression closed deck H22A with:
Mishimoto radiator
Greddy extreme timing/b
ACL rod and main bearings
ARP Head and main stud
Cometic headgasket
Skunk2 pro cam gears
Ferrea 5000 valve kit
Mahle Gold 11.5 pistons
Skunk 2 intake and throttle
Jun Stage III camshafts

Have traced a P13 closed deck block with factory looking balancer shaft delete and type S pistons (but they will most likely not be used...)







Have got my hands on some Jun Stage III H22A camshafts as well as a OBDI P72 in stock trim (just begging for crome, also, traced down a decent basemap for Sk2 StgII cams, 8300rpm rev limit)!






More to come, eventually!
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1992 BB4 Honda Prelude Drag Build- 14.43 @ 158km/h

Last edited by MilanoH22ALude; 07-10-2012 at 09:39 PM.
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Old 07-05-2012, 03:27 AM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

I can't wait to see what those Jun3's do. Good job man, I'm tuned in for the long run.

What did you use to mount the gauges where the old clock used to be?
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Old 07-10-2012, 05:20 PM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

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Originally Posted by Lindso View Post
I can't wait to see what those Jun3's do. Good job man, I'm tuned in for the long run.

What did you use to mount the gauges where the old clock used to be?
Me too, hoping for some decent NA numbers.

Pick of what I used to mount the gauges:


A retro style gauge cup holder essentially.
Simple install:
Need to clear space which involved removing some white plastic box/cover that was there, had to use a wholesaw to cut holes through the dash backing for the guages to fit through (they are very long gauges, most of the new ones are half their length so the wholesaw may not be needed).
The hard part was cutting the "smoked lens" to remove the factory black plastic that covers that half of the dash. Used a small hand dremel and thin steel sheet cut to fit in between the smoked lens and black backing plastic. Was not simple and took a fine touch to not cut through/score the smoked lens but once done it worked a charm.
Mounting was simple with the gauge cup, just threw on a couple of screws. The gauges were smoked lens ones and were too dark behind the dash so i had to open them up (which does some damage so its good to do this on gauges you don't intend to remove). Hope that helps!
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1992 BB4 Honda Prelude Drag Build- 14.43 @ 158km/h

Last edited by MilanoH22ALude; 07-10-2012 at 05:27 PM.
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Old 07-10-2012, 05:49 PM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

That's really cool man, thanks. I'm looking for a place for my temp and A/F gauges and I have been wondering how to get them in there for awhile now.
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Old 07-10-2012, 06:09 PM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

DEAR LORD!!!!! Jun cams?!?!?!?! this thing is quickly climbing my top prelude list!!!
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Old 07-10-2012, 09:37 PM
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Re: :::MilanoH22ALUDE's::: 1991 BB1

Quote:
Originally Posted by Lindso View Post
That's really cool man, thanks. I'm looking for a place for my temp and A/F gauges and I have been wondering how to get them in there for awhile now.
Hopefully you can now get it sorted and it is well worth doing. Has added theft protection (cant steal what you cant see) and is integrated into the dash in a "stock looking" manner. For air fuel I would recommend having it more in your line of sight, but other essentially "stationary" gauges work well in the dash.

Quote:
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DEAR LORD!!!!! Jun cams?!?!?!?! this thing is quickly climbing my top prelude list!!!
Haha thanks, I only seek to do justice to a truly legendary chassis!

Slowly acquiring parts but am hoping to have the Jun's breath NA H22A fire by the end of this year!
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1992 BB4 Honda Prelude Drag Build- 14.43 @ 158km/h
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