Expected Gains from LT's and ory
Expected Gains from LT's and ory I have a 00 ws6 with a lid and cutout but I will be installing pacesetter Lt's and tsp ory. My stock dyno was 312hp 314tq what range of hp should I be at now or can anyone give me some expected gains of the lid, cutout and lt's tuned or untuned? Thanks
Originally Posted by Nick98Z28
a guy i work with says long tubes add 40 horsepower. fact or fict?
00BadassTA- I gained 25hp/tq at the wheels with my longtubes & ory.
I had run a best of 7.81 @ 87 MPH in the 1/8th mile before the Hooker LT headers were installed on my car. The car was dyno tuned before the header install. I ran 7.53 @ 90.x after the headers were installed even before having Jeff Creech tune the car for the headers. I have not run less than 90 on any pass since the headers were installed. Tuning netted me another 15 horsepower but my tranny had given up on making the 2-3 shift before hitting the rev limiter so I don't have legitimate track numbers after the tune. The dyno showed 308 to the tires before the headers and 328.9 after but since this was on different dynos and with a different torque converter I'm not really sure it's an apples to apples comparison. The track numbers are a valid comparison though as no changes other than the headers were made from the 7.81 to 7.53 pass. The headers made a huge difference in the performance of my car, much more so than just what the dyno was able to show me. Since I've got an A4, track numbers mean more to me than what the dyno ultimately shows. I'm sure an M6 car would show much more of a horsepower improvement on the dyno than I did but I'm not sure the same car would see an immediate .3 and 3 MPH improvement at the 1/8th mile dragstrip. Maybe it would but I'm just not sure. Just thought I'd throw some real world numbers at you and not just dyno numbers.
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