Dynamometer Results & Comparisons - Gear Change... What do you suspect will be the result?
04-04-2012, 11:20 AM
So, last spring I did a gear change, and retuned my junk. I was at 424hp,395tq on a dynojet, and speed inc tune. Blew the heads off the car, and put on Trickflow 220s and swapped to a 4.10 gear. Had the car retuned at Straightline on a mustang dyno for 425/400tq.
Also added qa1 single adjustable rears since the last runs. Seeing as I up on power a bit, and the gear swap and suspension, what are your guesses if the rear holds up for a few passes? Old times are in my sig.
04-04-2012, 05:15 PM
You won't finish the race cause that 10bolt is going to be like Whitney Houston!
04-04-2012, 05:16 PM
Yeah, very funny, but it still rolls under its own power. Yours done yet?
04-05-2012, 05:44 AM
Should be by Friday bud, all it needs are the accessories ie w-p, p-s n compressor on. The abs delete and topping it off with the radiator and she's done.
04-05-2012, 06:07 AM
So with the new heads and gear swap you only gained 1rwhp 5rwtq ?
the gears will not take that much power I did back to back test swaping 9'inch rearend with 4.11 gear on H/C/I M6 Z28 Before it was 459rwhp after the 9" rear/gears 450rwhp a lose of 9rwhp but better TQ and mid range power.
I would think the heads should gain atleast 20rwhp unless your old one wasnt stock?
If you didnt blow the 10bolt and have traction I say 11.7@116mph :D
04-05-2012, 06:23 AM
Old heads were worked ls6, and it made more than 1hp when you figure I went fron a dynojet dyno to a mustang dyno... if it holds together I am thinking I will see the main difference in times as I was crossing the lights at the bottom to middle of third, now it should be right at the top of third.
04-05-2012, 07:07 AM
My bad man I didnt read you retuned on mustang dyno :bang:
I believe you'll be crossing the lights in 4th gear...
04-05-2012, 07:09 AM
Overdrive? Its a stalled auto.
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