lilredridinghoo
Well-Known Member
more benefit or more loss ??
thinking about changing from
1971 OEM spread-bore 4bbl cast intake to crosswind air-gap intake
guess i will loose some power at the low end ...
but maybe gain some at higher rpm
- 273 .040 over
- CR 8.8:1
- Cam specs: lob 112, duration 050 lift 204-214, ad dur int.270 exh.280 Valve lift .420 .443
- Heads #920 runners opened up to 340heads size, bowl blended, valve bosses grinded down, exhaust runners and combustion chamber polished
- Valve springs compcams 901-16 (353lbs seat load 101 closed load 242)
- Headers
- Rear end 3,91 with sure grip
- Tires 26.1 hight
- Holley spreadbore 650cfm (4011)
thinking about changing from
1971 OEM spread-bore 4bbl cast intake to crosswind air-gap intake
guess i will loose some power at the low end ...
but maybe gain some at higher rpm
- 273 .040 over
- CR 8.8:1
- Cam specs: lob 112, duration 050 lift 204-214, ad dur int.270 exh.280 Valve lift .420 .443
- Heads #920 runners opened up to 340heads size, bowl blended, valve bosses grinded down, exhaust runners and combustion chamber polished
- Valve springs compcams 901-16 (353lbs seat load 101 closed load 242)
- Headers
- Rear end 3,91 with sure grip
- Tires 26.1 hight
- Holley spreadbore 650cfm (4011)