hp guess on new 383 sbc
#1
Senior Member
EXPERT BUILDER
Thread Starter
Join Date: Nov 2008
Posts: 263
hp guess on new 383 sbc
ok for those of u who dont already know. i blew my old 385 and had to start over
i have an eagle forged 383 rotating assembly with h beams and speed pro forged pistons, a comp magnum 525 int, 525ex, advertised duration is 280, and 224 at .050in lift
10.5 to 1 comp with vortec heads 1.94 int and 1.5 ex valves
air gap manifold with a holley 750
what hp do yall think i can make with this combo?
and i also have a 3000 stall converter with 3.73s and posi in a 5000lb truck
guesses for 1/4 mile?????????
i have an eagle forged 383 rotating assembly with h beams and speed pro forged pistons, a comp magnum 525 int, 525ex, advertised duration is 280, and 224 at .050in lift
10.5 to 1 comp with vortec heads 1.94 int and 1.5 ex valves
air gap manifold with a holley 750
what hp do yall think i can make with this combo?
and i also have a 3000 stall converter with 3.73s and posi in a 5000lb truck
guesses for 1/4 mile?????????
#5
Senior Member
RACING JUNKIE
Join Date: Sep 2007
Posts: 4,137
Bowhay the reason they gave such slow 1/4 times is probably because it is a hvy truck. That motor and converter in a average camaro or nova would be in the 12's. as long as it had about a 4.10 gear. Cam looks good for what you have .
Only my opinion.
Only my opinion.