545 cylinder heads - Team Camaro Tech
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post #1 of 5 (permalink) Old Jul 15th, 09, 10:25 PM Thread Starter
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545 cylinder heads

i bought a camaro with a 327 in it and the heads have a casting number that ends in 545 the have screw in studs with guide plates. they have a strange marking on the end of the heads it looks like two power pack points side by side. any ideas? thanks jerry
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post #2 of 5 (permalink) Old Jul 15th, 09, 10:35 PM
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Re: 545 cylinder heads

330545 350, 73, Corvette, 76cc, 2.02-1.6 valves
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post #3 of 5 (permalink) Old Jul 15th, 09, 11:08 PM
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Talking Re: 545 cylinder heads

I have seen many different reports such as:

330545.....73......350..........76cc chamber, 2.02/1.60

330545 1973 350 76cc chamber 2.02/1.60

1971-75 330545 307,350 1.72 1.5001 74 cc

330545.....73......350..........76cc chamber, 2.02/1.60

330545 1971-75 307/350 1.72 1.5 74 cc

The only agreement looks like big chamber smog head with any size valves.

69 Camaro -originally a LM1 car. 327, Edelbrock E-streets, hooker, DUI performance distributors, ultradyne cam, stewart, TRW etc. Vintage Air, AGR steering, Corbeau GTSII seats, 700R4 transmission, 12-bolt w/Eaton 4.11:1
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post #4 of 5 (permalink) Old Jul 16th, 09, 04:00 AM
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Re: 545 cylinder heads

Decent head if you blend the bowls and open the runners.....

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post #5 of 5 (permalink) Old Jul 17th, 09, 12:09 PM
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Re: 545 cylinder heads

NOT for a 327!!!

You will need to run 350hp/327 domed pistons to even begin to have any compression if they have big smog chambers, imho.

Now, I don't think so, but if by chance they are double-hump 68 cc chambered heads, then install them along w/ Fel-pro's #1094 shims and go! Should be around 9.5 to 1 CR'd...


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