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BOOSTIN on stock internals

 
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Old 08-18-2012, 12:09 AM
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BOOSTIN on stock internals

So I compression tested my motor and its at 185-190psi so its still pretty good. So ive decided to boost it with stock internals. My goal is 300whp
So heres my plan:
stage 3 clutch with 11 lbs flywheel
walbro 255 fuel pump
750cc injectors
.060 Cometic head gasket to drop compression to about 9.5-1 (estimate)
Oil Cooler
2 more fans
Maybe some water/methanol injection
T3/T4 Turbo on 10 pounds
and tuning it on crome pro
and other parts but I cant really think of them all

So basically I want to see if you guys think my theory is sound im basically trying to keep engine temps as low as possoble, and over building my fuel system so I wont lean out bad during the boost spikes to avoid over lean conditions so I hoping with this setup to reach or exceed my power goal of 300whp and retain reliability.
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Old 08-18-2012, 12:34 AM
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Re: BOOSTIN on stock internals

I was gonna go that route but after my research ive decided to build a spare motor and sleeve it. ..from what i hear our motors wont last long on boost due to weak ringlands and open deck diagn if you are talking about h22a4 i picked up a spare motor on clist for 300 bucks there is a thread specifically for turbos on our motors look it up
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Old 08-18-2012, 01:05 AM
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Re: BOOSTIN on stock internals

Don't use a headgasket to drop compression. use different pistons
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Old 08-18-2012, 11:37 AM
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Re: BOOSTIN on stock internals

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Originally Posted by Rocketta View Post
So I compression tested my motor and its at 185-190psi so its still pretty good. So ive decided to boost it with stock internals. My goal is 300whp
So heres my plan:
stage 3 clutch with 11 lbs flywheel keep the regular flywheel, so yours revs won't drop so fast
walbro 255 fuel pumpPreludes run rich from the factory
750cc injectorsDo 1000, if you're not gonna stay at 300hp
.060 Cometic head gasket to drop compression to about 9.5-1 (estimate)cometic gaskets are to maintain pressure not drop it. like hunter said get new pistons with lower compression
Oil CoolerNot needed, get thicker oil and a remote oil kit with space for two filters
2 more fans
Maybe some water/methanol injection
T3/T4 Turbo on 10 poundsNow you have to decide. Turbos come with wastegates, without and all types of trim. Get your manifold first, so you know which turbo will fit it.
and tuning it on crome pro
and other parts but I cant really think of them all This worries me. no blow off valve, you can just not think of it, which turbo manifold you're gonna get, AC/PS delete? Axles, how many miles on your engine, have you checked your slave cylinder and throwout bearing. all these little things will destroy your car and cost lots of money to repair after the damage is done.

So basically I want to see if you guys think my theory is sound im basically trying to keep engine temps as low as possoble, and over building my fuel system so I wont lean out bad during the boost spikes to avoid over lean conditions so I hoping with this setup to reach or exceed my power goal of 300whp and retain reliability.
Honestly,you don't need to do anything to your system as far as fuel is concerned, over 300 hp, you will probably need the walbro and then 1000cc injectors . You should be making a Logbook to keep track of your materials, time and results. Turbo is not some plan that can be made on a napkin, especially on a high compression car, with an aluminum block. 10psi is too high on a factory engine, gasket or not. Keep researching is my only words of advice. You're on the right track.
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Last edited by Sideswipe SI; 08-18-2012 at 05:42 PM. Reason: Needed some corrections
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Old 08-18-2012, 11:47 AM
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Re: BOOSTIN on stock internals

9psi on stock internals with the h22a4
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Old 08-18-2012, 12:09 PM
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Re: BOOSTIN on stock internals

Honestly I wouldn't..why because ur internals aren't good if their stock even if you have low miles on stock block..my buddy got a turbo lude with 78 k and his rods came out of place because they where pressured over the limit..
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Old 08-18-2012, 12:32 PM
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Re: BOOSTIN on stock internals

I'd use a better tuning software like NepTune or Hondata that has a more integrated interface for engine control.
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Old 08-18-2012, 01:10 PM
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Re: BOOSTIN on stock internals

Ok so I will probably get some JE 9.0-1 pistons, with forged H beam rods, and darton replacement sleeves.
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Old 08-18-2012, 02:04 PM
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Re: BOOSTIN on stock internals

So after some convincing im not going to boost on stock internals since it seems like a risky move and I do believe in doing it right the first time so im just going to bite the bullet and build my block while im away at school hopefully.
I do have a couple of questions though:
1. Can the stock fuel pump can handle 1000cc injectors?
2. Should I upgrade the ignition system to?

Oh also im also going to purchase a couple of books to:
Honda/Acura Engine Performance
Street Turbocharging

If anybody has read any other good titles or anything, please let me know, Thanks for the advice and I will keep you guys posted on my build process.
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Old 08-18-2012, 03:05 PM
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Re: BOOSTIN on stock internals

get better valves, valve springs and cams. Depends on how much you want to boost it, how many PSI are you looking at.
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Old 08-18-2012, 03:58 PM
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Re: BOOSTIN on stock internals

It stands to reason that bigger injectors would benefit from a higher flow fuel pump. Also a more efficent ignition would help make use of the extra fuel and air provided by the system. If you sleeve and upgrade the right components you should have no problem getting 300whp. I would consider investing a good bit in the axles and tranny though. It doesn't matter what kinda power you're turning out if you twist the axles off the first time you dump it on dry pavement.
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Old 08-18-2012, 04:16 PM
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Re: BOOSTIN on stock internals

He doesnt need to upgrade the head honestly. Ive seen turbo h's making 400whp with a stock head.

I also wouldnt wory about upgrading ignition. Plenty of built motors out there running stock ignition.
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Old 08-18-2012, 04:28 PM
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Re: BOOSTIN on stock internals

Ok cool, im going to start looking at axles now..
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Old 08-18-2012, 04:33 PM
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Re: BOOSTIN on stock internals

raxle or gator
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