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Old 05-09-2008, 07:23 PM
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SC or Turbo

I was just curious with the 5th gen. [I'm new to it]

Which is a better setup for it. A supercharger or a turbo setup? which can produce more power.

I'm kinda partial to belt driven things. :)
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Old 05-09-2008, 07:27 PM
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How long is a piece of string?

The only limit to how much power you can make is your budget and imagination. Both a supercharger and a turbocharger can produce similar outputs if done properly.

It will all come down to how you want the car to behave. A supercharger will give you a bunch of low down torque, and will always be there, whereas a turbo will lag a bit, then give that top end rush.

Check for threads by Rory and Myles88, the two of them have turbo and supercharger setups respectivly; and would be able to answer any questions better than me.
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Old 05-09-2008, 07:38 PM
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NITROUS! hehe

But if I just had to make a life or death situation I myself would so supercharger BUT thats just my opinion.
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Old 05-09-2008, 07:39 PM
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SC is kinda limited on the amount of boost. A turbo is juts how much u want and $$$$$ u got to do it with. The turbo will have to be watched a lil bit more then then SC. i think the SC if a lil more user friendly. And unless u going to rebuild ur H22 to handle lots of boost you can get them in about the same range. My .02 if u got a F22 go turbo anything else go SC
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Old 05-09-2008, 07:41 PM
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But at the same time if you dont build the heck out of your block and head you cant even runt hat much boost on a stock h22.

BUT with SC your in your boost ALL the time.
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Old 05-09-2008, 07:51 PM
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http://www.preludezone.com/showthread.php?t=9117

Myles is selling his sc
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Old 05-09-2008, 08:06 PM
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yea I'm lookin for now to stick with a stock H22 block. I want more Torque thats a given. I've been leaning towards supercharger.

How much would I be able to put down to the wheels with the basics. I/H/E?



BTW: Flyers just went up 2-1 WOOOOOOOOOOO
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Old 05-09-2008, 08:10 PM
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Not to much really. But i would be a lot better when u did get a SC tho.
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Old 05-09-2008, 08:21 PM
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I'm just looking to get the 300+ mark.

I guess the search button would be useful eh?



Flyers down 3-2 :(
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Old 05-09-2008, 08:24 PM
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300 i would go a F22 swap and build it up a lil and get a turbo.
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Old 05-09-2008, 09:15 PM
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250 is more reasonable w/ a 9 pound pulley, the torque will make it feel like 300 though
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Old 05-09-2008, 09:49 PM
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Ya and i think u will be happy with the 250. But no mater witch way you go you WILL want more boost.
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Old 05-10-2008, 04:07 AM
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unless you've got a sick boost controller then you're not going to want much more boost. There's a point when spinning you tires every time you step on the gas gets old...

what's the point of putting down over 275 in a street driven prelude? you're just going to be burning through tires
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Old 05-10-2008, 04:45 AM
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check out 00CDMLUDER's ride he has a s.c
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Old 05-10-2008, 08:07 AM
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Quote:
Originally Posted by apt_lude View Post
unless you've got a sick boost controller then you're not going to want much more boost. There's a point when spinning you tires every time you step on the gas gets old...

what's the point of putting down over 275 in a street driven prelude? you're just going to be burning through tires
Exactly. Thank you for tuning the argument I'm having with myself. I couldn't put it into words.

I just want more torque. So I'm more then sure I'm going with a supercharger.
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Old 05-10-2008, 06:10 PM
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good luck getting 300+hp outta a SC
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Old 05-11-2008, 12:47 AM
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you can have your 300+ HP turbo bolt on, while your waiting for it to spool up, ill be down the track boosting the F out of my car with my sc ya dig my h22 you h23 f22 blowin up maniac!!! lol jp wit ya nick
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Old 05-11-2008, 09:04 AM
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I just sent myles the money for his sc...I'll let you know my impressions...
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Old 05-11-2008, 01:22 PM
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turbo

turbo is better than supercharger
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Old 05-11-2008, 05:02 PM
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I've heard cars like ours with v tec tend to do better with being turboed, again thats what I heard not what I know.
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Old 05-11-2008, 05:27 PM
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Quote:
Originally Posted by vtecmonster View Post
turbo is better than supercharger
One is not better then the other. It all depends on what you want. If its on a stock engine you will be running about the same amount of boost anyway.
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Old 05-11-2008, 05:32 PM
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yeah, it really depends on the application, for a street car, sc all the way, it's all about getting off the line and into traffic

as for vtec liking turbo instead of sc...I don't think it really makes a difference...fi engines don't like overlap because if your exhaust and intake valves are open at the same time your boost will escape...
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Old 05-11-2008, 06:25 PM
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turbo is better than supercharger
Is this fact or opinion? If it is fact, I would like links to wherever you pulled the information.
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Old 05-12-2008, 05:18 PM
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im going Supercharge...i drive an automatic and in my OPINION think i will gain alot from a supercharger and for vtec and turbo going together it works very well due to the r both top end gains... but supercahger runs all the time so u can gain alot from both its wat ever u like... and has anyone here turboed an automatic car?
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Old 05-12-2008, 06:06 PM
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supercharger
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Old 05-12-2008, 06:45 PM
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That post is useless. I'm sure that's your opinion, but would you mind give some reasoning?
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Old 05-12-2008, 08:27 PM
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I'd rather go SC, but that's just my opinion. I do however LOVE the sound of a blow off valve.
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Old 05-12-2008, 08:37 PM
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okay, the jrsc uses a eaton m62

if it runs at 2:1 pulley ratio, on a 2.2 liter engine starts pushing 6 psi at 2000 rpm, and rises to 9 psi at 6000 rpm. The supercharger is actually designed to run at almost 2.5:1 (about 14-15000 rpm to a 6000 engine rpm) which would give a boost increase of about 2-3 psi (so 8-9 psi at 2000 rpm and end with 11-12 psi at 6000 rpm...people forget that you can change the size of the crank pulley to get more boost, you need to make sure it's balanced, but if do you're not going to hurt the engine

Crank size / sc pulley = ratio
ratio x rpm = s/c rpm
s/c rpm * liters = LPM
LPM * *0.03531 = CFM

s/c cfm - eng cfm = difference
((difference/eng cfm)/14.7)*100 = boost


as you can see, with the right ratio you can push some boost, the problem with these systems is the lack of cooling. I'm going to to run some H20/methanol injection as well as have the blower reworked, hopefully cut down on charge temp


so, sure you're not going to make 30 pounds of boost out of a m62 but you can make enough
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Old 05-12-2008, 10:27 PM
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Quote:
Originally Posted by apt_lude View Post
okay, the jrsc uses a eaton m62

if it runs at 2:1 pulley ratio, on a 2.2 liter engine starts pushing 6 psi at 2000 rpm, and rises to 9 psi at 6000 rpm. The supercharger is actually designed to run at almost 2.5:1 (about 14-15000 rpm to a 6000 engine rpm) which would give a boost increase of about 2-3 psi (so 8-9 psi at 2000 rpm and end with 11-12 psi at 6000 rpm...people forget that you can change the size of the crank pulley to get more boost, you need to make sure it's balanced, but if do you're not going to hurt the engine

Crank size / sc pulley = ratio
ratio x rpm = s/c rpm
s/c rpm * liters = LPM
LPM * *0.03531 = CFM

s/c cfm - eng cfm = difference
((difference/eng cfm)/14.7)*100 = boost


as you can see, with the right ratio you can push some boost, the problem with these systems is the lack of cooling. I'm going to to run some H20/methanol injection as well as have the blower reworked, hopefully cut down on charge temp


so, sure you're not going to make 30 pounds of boost out of a m62 but you can make enough
SO basically, if you're not greedy for boost but want enough boost without super engine mods, go SC
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Old 05-12-2008, 11:16 PM
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i think apt_lude put it in best words... i htink supercharger leaves more options open for normal street driving....how is the gas mileage wit a SC or a turbo
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