SBC build help - Team Camaro Tech
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post #1 of 3 (permalink) Old Jan 23rd, 10, 08:36 AM Thread Starter
Join Date: Aug 2007
Posts: 3
Question SBC build help

hello,I have a 73 camaro with the 73 lt1 010 350 block, 76cc heads 1.94valves, performer dual plane intake, 650demon carb, 3500 stall, and a crane solid cam unknown specs would changing to these parts help with compression and power? team g intake weiand, summit s/s heads 200cc intake 64cc, 2.02/1.60 valves 1.430 springs, 1.5 roller rockers, summit cam 244/254 dur, .510/.530 lift 3500-7000 powerband.any help is appreciatedBP

Last edited by presentable1; Jan 23rd, 10 at 10:35 AM. Reason: adding info
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post #2 of 3 (permalink) Old Jan 24th, 10, 09:39 AM
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Location: Wyoming
Posts: 1,635
Re: SBC build help

The smaller cc heads will certainly help the compression/power. Is this for street use or track use? That would be an influence on cam choice. One thing to think about with a cam powerband, for street use, is just how often are you planning on being in the upper range? I just pulled a solid lifter cam from my engine, way less than 500 miles on it, because it was horrible for street use with a manual transmission. Loping down the street, didn't want to run below 3000 RPM or so. I guess the big factor would be what you want to use the car for.
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post #3 of 3 (permalink) Old Jan 24th, 10, 02:30 PM
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Re: SBC build help

If your racing, or the motor is built to rev over 6k, with 200cc heads, and a mildly big cam, you will need a solid.
You can help your compression by using a cmaller chamber head like the 64, but they will probably be more like 66cc's, you can run a thinner head gasket to bump up the compression and get better quench. They make 49, and 58cc heads. Depending on what deck height your block, what pistons you have, will dictate gasket and head chamber size for the compression you want to run. 10.5:1-11:1 with a decent dcr (8's) is good.

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