Quote:
Originally Posted by BlackM6RS/SS
Ls1 Fbody m6 will beat a l99 any day of the week. 3900lbs 325rwhp l99 to 3500-3600lb 315rwhp Fbody
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You are comparing an automatic vs. manual. Using the rwhp/weight argument doesn't work.
Don' t forget an LS1 Fbody (automatic) dynos in the 270 - 280 range. With considably less RWHP it can easily run with the LS1 manual.
My L99 A6 was running 12.9s @ 109 mph with 330 rwhp (tune only). I beat every stock LS3 M6 I raced with that setup (only 330 rwhp)
My L99 A6 was running 12.4s - 12.5s @ 111 mph (intake, headers, tune) with 354 rwhp. That's with just 354 rwhp (less RWHP than a stock LS3 M6)
This was full weight - stock wheels, just bolt on mods (354 rwhp).
Later I added lighter wheels and I was down to 12.16 @ 114 mph. Converter got me down to 12.10 @ 113 mph (still only 354 rwhp).
Automatics consistantly run faster times with less RWHP.