spyder7724

i found that the most you can expect on a dyno is 8-10hp but 1/4 mile times are another story. average reduction in e.t. is 2 tenths but we just did one that dropped almost 4 tenths. it was installed at the track same day. any questions about that test you can email dynojoe.com
you will notice on my website i make no mention of hp gains just 1/4 mile times and these are controlled tests done by an installer not affiliated with me so that there is no question the results are authentic. my 06 auto dropped a little over 2 tenths when i did my same day track test last year.
it feels like you gained 20-30 rwhp just cause the engine revs quicker thus helping out 1/4 mile times but not really peak hp numbers. on the track is where it counts.