I love my Chevy Chevette!
Posted: 11/24/13 11:52 AM
Looking for advice on a camshaft for my 73 camaro.
Have a big chevy 427.
10.1 comp ratio.
4 speed manual m21
rear axle 3.10
closed chamber iron heads , mild polish deep pocket port.
750 holley vac 2nds
low rise dual plane intake manifold ( nothing else clears 2nd gen camaro hood).
Dont think Id push a big block over 6000rpm...?
Was debating between the lunati 262/268 and 268/278.
Hydraulic flat tappet
Basic Operating RPM Range:1,400-5,800
Duration at 050 inch Lift:219 int./227 exh.
Advertised Duration:262 int./268 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:0.530 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:0.542 in.
Valve Lift with Factory Rocker Arm Ratio:0.530 int./0.542 exh.
Lobe Separation (degrees):112/108
Basic Operating RPM Range:1,800-6,200
Duration at 050 inch Lift:227 int./233 exh.
Advertised Intake Duration:268
Advertised Exhaust Duration:276
Advertised Duration:268 int./276 exh.
Valve Lift with Factory Rocker Arm Ratio:0.542 int./0.554 exh.
Lobe Separation (degrees):110
I drive around town at a low rumble and like to floor it once in a while so am looking for very quick acceleration rather than top speed.
Also prefer / smoother moderate idle ( not interested in choosing a cam designed to just sound lopey - just want performance across the rpm range) and reasonable vacuum for power brakes.
I have an SS396 tatoo
Posted: 11/24/13 11:01 PM
From your description of the way you plan to use / drive the car, go with the 262 cam, IMO.
V-6 Camaros rule!
Posted: 12/12/13 09:19 PM
with those rear tires and that rear gear set you need low end torque, and as the man said the 262 unit IS the right choice!