Below is my current set up, I need to get the vehicle to run 12.75s at my Colorado elevation. Getting ready to build up a different block and am wanting advice on strokers. Would doing a 408 with my heads/cam net me what I'm looking for?
360 magnum block
Cast crank .10 over
Kb 107 10.5.1
Eagle sir rods
Eq heads w/1.90and 1.60 valves
3 angle valve job w/ dual springs
1.5 roller rockers
Comp cam 20-812-9 ( xr280hr10 ) 541/537 lift 230/236 duration
Rpm airgap intake
Edelbrock avs 650
1 3/4 full length headers
3.91 rear end in a 8 1/4
360 magnum block
Cast crank .10 over
Kb 107 10.5.1
Eagle sir rods
Eq heads w/1.90and 1.60 valves
3 angle valve job w/ dual springs
1.5 roller rockers
Comp cam 20-812-9 ( xr280hr10 ) 541/537 lift 230/236 duration
Rpm airgap intake
Edelbrock avs 650
1 3/4 full length headers
3.91 rear end in a 8 1/4
