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Re: dynoed a 2008cc motor



At 11:09 PM 4/30/2000 , Riley McDowall wrote:
>At 1:58 PM -0400 4/20/00, 16v Jason wrote:
> >And I agree with Daun-- I don't think there's a tenth of a HP to be gained
> >by aftermarket exhausts.  2.25 inch diameter exhaust tubing is *more* than
> >sufficient for a 1.8 liter engine-- and certainly sufficient for a
> >2.0.  For _seriously_ tuned 2.0 (and above) liter engines, a small amount
> >of power might be gained in the very top-end, but without the backpressure,
> >probably at a sacrifice to low-end torque.
>
>My $.02:
>
>On my car, which is a built 2L, I noticed some very nice midrange and
>top-end gains from replacing my exhaust.  I went from stock tubing + stock
>muffler, minus resonator, to a custom 2.125/2.25" system with a generic
>(but not Dynomax) straight-thru stainless muffler.  I'd say the gain was
>around 5-7hp off the top of my head, but I felt more power as early as 4k.
>Didn't lose anything down low, either!  Very cool.  I'll be back on the
>dyno again before waterfest, but it'll be with a different set of cams so I
>won't be able to do an A-B comparison :(


Riley,
Notice I said "_seriously_ tuned 2.0 (and above) liter engines".  Um, that 
would be YOU. :)

Jason




----------
1987 Scirocco 16v
1989 Mercedes 190E Sport Euro


http://members.aol.com/rocco16v  

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