So a lifter got stuck the other day, and I'm wondering what cam to get.
I didn't know my cam specs before, and it turned out to be a Comp XE268H-10. Here are some pictures of the cam and lifter.
My engine is an 351 W with Edelbrock Preformer RPM heads (2.02 int. / 1.60 ex.), Air-Gap RPM manifold, BG Speed Demon 750 VE carb, I think it's about 10.5:1 compression ratio, can just remember being told that by the guy that got me the car.
So what cam should I got with?
I've tried all these in Dyno2000.
The safest thing to do is probably the Preformer RPM cam, which is of course matched to my heads and manifold. It's the only of the 4 cams that give me both 400 HP and over 400 lb-ft (406).
My old cam, the XE268H-10 has least HP (393) but most torque (416). This cam however only has a powerband up to 5800 RPM, and doesn't utilize the 6500 RPM range of the heads.
The other Comp cam, the XE284H-10 only beats the eddy head by 1 HP (401) and has the lowest torque. (384)
The Crane 440661 has most HP (402) but looses 19 lb-ft (387) to the Eddy cam.
So which cam should I choose? Any opinions? Other "contenders" ?
The car sees about 60% street use, 30% Open Track use, and 10% Dragrace.
I didn't know my cam specs before, and it turned out to be a Comp XE268H-10. Here are some pictures of the cam and lifter.
My engine is an 351 W with Edelbrock Preformer RPM heads (2.02 int. / 1.60 ex.), Air-Gap RPM manifold, BG Speed Demon 750 VE carb, I think it's about 10.5:1 compression ratio, can just remember being told that by the guy that got me the car.
So what cam should I got with?
I've tried all these in Dyno2000.
The safest thing to do is probably the Preformer RPM cam, which is of course matched to my heads and manifold. It's the only of the 4 cams that give me both 400 HP and over 400 lb-ft (406).
My old cam, the XE268H-10 has least HP (393) but most torque (416). This cam however only has a powerband up to 5800 RPM, and doesn't utilize the 6500 RPM range of the heads.
The other Comp cam, the XE284H-10 only beats the eddy head by 1 HP (401) and has the lowest torque. (384)
The Crane 440661 has most HP (402) but looses 19 lb-ft (387) to the Eddy cam.
So which cam should I choose? Any opinions? Other "contenders" ?
The car sees about 60% street use, 30% Open Track use, and 10% Dragrace.