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Old Mar 5, 2006 | 08:09 PM
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71mopar383
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65 352

I have a 65 f-100 with a 352 any ideas on the comp ratio is and the head cc?

If I want to make it a 390 dont I just need to punch it .050 over and add 390 crank, rods and pistons?
 
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Old Mar 6, 2006 | 09:52 AM
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you are right on with the 390 conversion, the heads are most likely between 67-74cc.
 
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Old Mar 6, 2006 | 10:54 AM
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or use 360 pistons and get the compression up to more reasonable levels. 390 truck pistons are low compression.
 
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Old Mar 6, 2006 | 12:30 PM
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From: Iowa
I'd use either the TRW L2291 forged piston, or the KB-150 piston, depending on your desired compression ratio.
 
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