HP increase with summit 6401 cam

[Dave NEO]

any estimate on what this cam might add over stock on my '68 with 4bbl summit dbl pumper (600 I think) and edelbrock performer intake manifold? thnks

 

[Dave NEO]

they are calling mild racing cam -
Basic Operating RPM Range: 2,000-5,500
Intake Duration at 050 inch Lift: 224
Exhaust Duration at 050 inch Lift: 234
Duration at 050 inch Lift: 224 int./234 exh.
Advertised Intake Duration: 298
Advertised Exhaust Duration: 303
Advertised Duration: 298 int./303 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.466 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.488 in.
Valve Lift with Factory Rocker Arm Ratio: 0.466 int./0.488 exh.
Lobe Separation (degrees): 114
Camshaft Gear Attachment: 1-bolt


Camshaft Manufacturers Description: Fair idle, good midrange power camshaft. Requires 9.5:1 and higher compression, 2,000+ stall, and gearing. Good mild bracket racing cam.

 

[RustyRatRod]

That's a damn good grind. Almost the same as the Crane Magic cam. It should be a screamer in the right engine, but since you didn't include that info, I have no frikkin clue.

 

[Dave NEO]

well....I'd say see avatar pic but the 383 is hard to read - of course I should have mentioned motor - my bad.
carb:
SUM-M08600VS
CFM: 600
Fuel Inlet: Dual
Primary Jet Size: 67
Primary Power Valve (Hg): 6.5 Hg
Primary Discharge Nozzle Size (in): 0.035 in.
Secondary Jet Size: 73

 

[GeorgeH]

I have run several in otherwise stock 383's. Couldn't tell ya about horsepower differences, but they always ran good with just a hint of lope.

 

[Dave NEO]

well thanks - good to know. just after any kind of ball park estimate for this type cam upgrade.

 

[Dave NEO]

gave some basic info and asked summit - we'll see what they have to say.