View Full Version : how much hp and torque could i expect from porting and polishing the manifold, new throttle body,


unibrowmandate02
10-24-2004, 08:15 AM
MAF, boreing it over, and new cams?

VAP
10-24-2004, 09:05 AM
and excluding Audi's purported numbers I'll tell you percentage increases for those two mods. If you'll then tell me lift/duration of cams you plan on using I'll tell you what you can reasonably expect from them.

But without knowing what your car has just dyno'd at and seeing it's dyno print-out there's no way of knowing either with any semblence of accuracy or assurance.

unibrowmandate02
10-24-2004, 09:30 AM
i believe its at about 180 or 190 hp

VAP
10-24-2004, 09:37 AM
you cant expect to get actual/accurate increase numbers with only guesses/estimates for provided data.

And you still havent listed cam profile. There are about 5 choices available to you. If you want those numbers you need to provide a specific cam profile along with an actual dyno print-out of your current engine's HP/torque curve.

unibrowmandate02
10-24-2004, 09:51 AM
sorry i havent done a dyno run on my car; its only an idea and i want to see if it would be worht it...i was looking at schrick cams with 268 degrees of duration and 11.5 mm of lift

VAP
10-24-2004, 10:07 AM
People always want to know HP of various mods but never seem to care about the "real" HP numbers they already have. And post-modification HP "gains" cannot be established/ascertained without knowing what pre-modification HP was.

And you cant even begin to know if something is "worth it" until you know what you had before adding X, Y or Z modification. Unless it "feels" rewarding enough to justify it's cost. And if something "feels" quite a bit stronger, more powerful then HP is just some number you add to your existing "guesstimate" baseline number. Like you've already done by guessing 180/190HP when 172HP is the touted HP claim from Audi. You have likely done some mods already or you would've claimed "stock" numbers. What mods have you done already and what were their claimed HP increases or how did you arrive at the 180/190 number? See where this is leading?

Unless you have a credible, repeatible and verifiable HP number to begin with any HP claim will be guess-work.

unibrowmandate02
10-24-2004, 10:30 AM
yea i guessed 180/190 becuase i have done some mods, but thanks anyway

B2119
10-24-2004, 03:07 PM

KungFu4point2
10-24-2004, 08:16 PM