0-100 4.67 seconds

maybe i'll do some speed measurements after i get the OBD software from the group buy.

 

ANY performance figures are better than a dyno chart. Most people are afraid to show their actual performance numbers because they find that the "bling" power shown on their dyno slip doesn't translate into comparable performance on the street.

Oh yeah! And many of those that DO show their numbers, hedge them by saying "it was a hot day" or there was a "head wind" or "one of my hoses was blown off" or "I missed 2nd gear" or any number of excuses as to why performance was not better. Welcome to the REAL world.

 

real world is great, BUT, any scientist will opt for a controlled environment (dyno) to perform experiments. Headwinds, missed shifts, and ambient temps or humidity are all viable "excuses" when doing real world tests. I do agree that the trick is to get those increases to translate to the real world. I'd say that's the reason most "real" racers concentrate on suspension and track schools over power modifers.

...but we digress. I'm in for the headers!

 

btw- I'll be using this http://www.autoenginuity.com/products-speedtracer1.html for my b4 and after results.

 

Thank you for confirming that dyno power does not necessarily translate into power on the street. And you are right that serious racers, be it track or drag racing, tune their cars by driving them and not by testing them in an artificial enviroinment. Many of these dyno chart racers soon find out that their movement of the engne power to the upper range (in an attempt to get some high braggng numbers) actually decreases the car's performance and that is why you seldom see them posting performance numbers. There is so much more to putting down power to the pavement than simply a dyno chart.

 

well, these headers were designed by and for a guy that tracks his car at sebring on a regular basis. he is happy with them, does that count?

 

the before run

 

the after run

 

the before and after overlayed withthe cursor showing the max hp gain (27 HP). based on the fact that these motors really don't have much oomphh under 4K, i think these headers suit the 996's nicely.

 

Damn that's a fast car... Looks like really good power to me and the headers only add to it. What other mods do you have other than the super charger and headers again? Muffler, high flow cats or anything else?

 

just some cargraphic export mufflers. haven't heard good things about cats for the NA 996's. only running 5psi on the blower.

 

That max gain looks to be the result of cleaning up a big dip in your torque curve. Good combo for you.

Is that dip at 5.5 normally seen on NA 996's or the result of the SC and it's program?

What are your seat of the pants impressions?

 

seat of the pants meter says the car is freakin' fast seriously, i'm not a good judge with the ol' buttdometer. that's why i take it to the dyno. feels a little peppier, but i wouldn't take the pepsi challenge with this one

here's my original before (no supercharger) and after (supercharger installed) dyno runs. looks like the dip has always been there a bit.

 

Group buy available!! search our site for "6speed Special" for pricing.!!

 

Mine are on the way!! Nice pricing.