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Old 15th April 2008, 23:44   #69 (permalink)
HPP
BHPian
 
Join Date: Mar 2008
Location: Minneapolis, MN/Hyderabad
Posts: 165
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Quote:
Originally Posted by Ford Rocam View Post
I said it should help, & it will...moreover the choice of manifold also depends on type of setup and amount of boost you plan to run. I myself preferred the log type manifold for my car cause that fulfills my requirement for the kind of boost i plan to run.
I kind of agree with what you just said, other then what you said earlier " An equal length manifold should help smooth out that curve. " which I do not agree with. While the manifold design can limit the power, help/hurt spool up etc, it all depends on what they are shooting for. It was just the smoothing comment which is/was misleading for people who have no experience to read.


Quote:
Originally Posted by 1fstndn View Post
Each turbo manifold design has purpose. From what i read and talk to few guys at fullrace.com before shopping for turbo manifold: that log manifold will spool turbo little faster then equal lenght but on top end equal will give better result on hp gain. But for smooth curve i think that's all in the tunning not manifold design.
Correct.

Quote:
Originally Posted by ananthkamath View Post
Don't know what you mean by "you know more then that right", but he himself claimed making around the same power at 1 bar on a very old thread on Honda-Tech:
Honda-Tech.com: Honda CRX / EF Civic: Dyno my car yesterday.

I know for a fact that on a 1600 stock cammed motor, a T3/T4 57 trim compressor should be making that power at or around 1 bar (+/- 20%). Maybe I wasn't too clear about it.

But anyway, not to take anything away from his work, I was just mentioning that on the basis of what I've read.
What I meant by that was, most of the time your posts are pretty correct, by saying at 1 bar your car should make xxx HP is misleading. For someone who doesn't know any better, they will take that 1 bar comment and use it as reference for someone else with a different size turbo/motor etc.. just based on "T3/T4" + "1 bar".. which is a common mistake. And I didn't see a turbo size in that H-T thread you linked..
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