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Ehrnholm
Tribal Scout

Sweden
5 Posts

Posted - 03 Mar 2016 :  06:14:00 AM  Show Profile  Reply with Quote
hi i would like to hear what you have for recommendations on the cams, im looking at the summit 2802. I have a Pontiac 400 with 62 heads Holley 750 and hooker headers. 98 octane

fbird1969
Sitting Bull

170 Posts

Posted - 03 Mar 2016 :  09:34:02 AM  Show Profile  Reply with Quote
What is your compression, transmission, and rear gear ratio? The crower 60916 is often recommended for setups like yours.
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Ehrnholm
Tribal Scout

Sweden
5 Posts

Posted - 03 Mar 2016 :  10:10:40 AM  Show Profile  Reply with Quote
Compression 10:1 gear ratio 3.07 transmission th400 :)
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Tub
Sitting Bull

172 Posts

Posted - 03 Mar 2016 :  3:25:34 PM  Show Profile  Reply with Quote
Because of the 3.07 gears, if you go with a Summit, I'd drop back to the 2801. You'll need the extra low end torque, and smoother idle.

Of course, there are lots of alternatives, like Rhoads lifters with the 2802, and/or a stall converter. And if you got a lot of $$ to throw at it, you can get a trans with a 2.75 1st gear set.

If you go with a Crower, the one mentioned as well as the 60240, 60241, and 60242 are all in the ball park.

http://ronspontiacpage.com/reference-pages/crower.htm

Edited by - Tub on 03 Mar 2016 3:31:20 PM
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Ehrnholm
Tribal Scout

Sweden
5 Posts

Posted - 03 Mar 2016 :  6:27:41 PM  Show Profile  Reply with Quote
Sounds good :) wont I be needing a stall converter whit the crower?

Summit rpm 2200-5500
Crower rpm 2000-4800
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Ehrnholm
Tribal Scout

Sweden
5 Posts

Posted - 04 Mar 2016 :  07:11:27 AM  Show Profile  Reply with Quote
Crower 60243 looks good 1600rpm ?
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Steve C.
Crazy Horse

1672 Posts

Posted - 04 Mar 2016 :  09:25:54 AM  Show Profile  Reply with Quote
A quote from another discussion that applies....

"As an engine builder, I would suggest that no one relies heavily on notes found in camshaft catalogs. The cam manufacturer does not know whether you are building a 326 or 455. Engine displacement, head flow, intake flow, compression, etc. all play a different role in where the cam will peak. They also don't know your valve weights, install heights, or anything else. The best bet is to speak with an engine builder on what parts to use. All of those descriptions should be considered universal notes or general guidelines."
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Blued and Painted
Chief PONTIAC

USA
3404 Posts

Posted - 04 Mar 2016 :  9:34:14 PM  Show Profile  Reply with Quote
Ball Park on stall speed Would be cam shafts low rpm rating Plus 500 RPM's

The 60243 will need all of that, and maybe a tad more.


Bull Nose Formula/ 461/ Q-Jet/
TH400/ 3.08 8.5 / R44TS.

Edited by - Blued and Painted on 04 Mar 2016 9:37:34 PM
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Ehrnholm
Tribal Scout

Sweden
5 Posts

Posted - 06 Mar 2016 :  02:03:40 AM  Show Profile  Reply with Quote
feels like a stall converter is the way to go, so you can choose from multiple cams
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