Does anyone have any data regarding boost and trap / 1/4 mile E.T
OR 1/2 mile, 60 to 100, 60 to 130, etc ?
I bumped into an old thread on another forum a few weeks ago.
The O.P. posted 1/4 mile times and said that his fastest pass was on a little bit lower boost vs max tune.
I know this will vary from different turbos being used across the platform.
On a dyno his stock turbo 24 psi (in midrange) showed highest whp.
At the track IIRC around 21 psi peak yielded him his best time / trap. I know efficiency range, IATs, Timing corrections, etc all play a part.
Curious to see how many people get same results, (track or highway pulls)or better with a couple psi LESS than their max effort tune/boost/psi.
Many will run whatever made the most power on a dyno (while racing), BUT thats only a 1 gear pull. Real world multiple gear runs will encounter higher IATs, timing corrections, flatline post shift timing (A.T.), Boost dropping out between shift, etc
Share your experiences if you are faster with less boost.
OR 1/2 mile, 60 to 100, 60 to 130, etc ?
I bumped into an old thread on another forum a few weeks ago.
The O.P. posted 1/4 mile times and said that his fastest pass was on a little bit lower boost vs max tune.
I know this will vary from different turbos being used across the platform.
On a dyno his stock turbo 24 psi (in midrange) showed highest whp.
At the track IIRC around 21 psi peak yielded him his best time / trap. I know efficiency range, IATs, Timing corrections, etc all play a part.
Curious to see how many people get same results, (track or highway pulls)or better with a couple psi LESS than their max effort tune/boost/psi.
Many will run whatever made the most power on a dyno (while racing), BUT thats only a 1 gear pull. Real world multiple gear runs will encounter higher IATs, timing corrections, flatline post shift timing (A.T.), Boost dropping out between shift, etc
Share your experiences if you are faster with less boost.