N4cer

iTrader: (11)

I'm unsure which heads to run... I have LS6heads, but I also have an L76/L92 combo. I want to hear TRACK TIMES from 408 owners who have one or the other.

Zger

iTrader: (18)

My new motor is a 408 with Cartek ported LS6 heads. At 3310lbs raceweight it went 10.24 @ 129 with a 1.40 60' in a 98 TA.

beardWS6

iTrader: (1)

ET 245`s worked over by Greg Good. New times coming, but I be it runs sweet

Quik

iTrader: (7)

IMHO stay catheral port for your 408. you cant go wrong with them and there are tons of proven combos

N4cer

iTrader: (11)

Weber Racing also says to stick with cathedral ports since they're proven. I guess since I have both, I can try both. I think it would be awesome to have an engine making 500hp/500ft-lbs at 6k and not have to spin any higher since the L76 intake sucks above that anyway. That engine would last forever!

beardWS6

iTrader: (1)

Talk to Erik at HKE or Greg Good. They both know alot about the L76 set-ups! They are the pro`s!!

KCFormula

iTrader: (4)

I have a 421 but still run a LS6 casting head. It makes about 730 on an engine dyno and I am hoping to run high 10s at full weight (a/c, power everything etc) on 17" DRs