big shot on a ls2 street motor ??????? need help

Reply Subscribe

Thread Tools

Search this Thread

03-28-2009, 09:21 AM

#21

3timeracin

Launching!

iTrader: (15)

Join Date: Jan 2008

Location: 81 NY support

Posts: 214

Likes: 0

Received 0 Likes on 0 Posts

Quote:

Originally Posted by kngkahious

that is about were i want to be 10.80's - 11.0's on motor and 9.80'0-10.0's on the jug . so i go with a 408-414 with a solid bottom side . what compression should i run i'm thinkin 10.0-10.5 with a set of ported heads ( what heads should i run ) there are the l92's that i think will be to much or ls6's they should be good . i'll prob run a ported ls6 intake and ported tb for that stock look. then what cam should i run . basicaly i'm asking your openion on a motor that you would build spec for spec . you know what i want to do so suggest away .

414ci with ET ls6 stage 2 or 3 a ported ls6 intake or a fast 90/90 setup 10.5 or 11.1 comp a set of TSP 1 7/8 headers, cam 238/244 112ls .610+ or a set of 1.8 rockers 4.10 gears a 4,200 converter. Dont let the peak numbers on the l92 heads fool you you make can make the same or more with the ET stage 2 ls6 heads and it will have more throttle response and a far better tourque curve normally around 20ftlb torque more in the lower rpm from 2000-3500rpm. The ls6 heads help eliminate reversion caused by cam overlap and that maintains velocity in the ports it will make your tune easier and the car will idle better than using the L92's.