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Old Apr 12, 2015 | 07:09 PM
  #1  
billyf-150's Avatar
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G-40p

Can I put g-40p heads onto a 302 roller motor or 351windsor roller motor with no problem or will I ever run into clearance prob,will the stock pistons catch the vaulves orno I need after market pistons with a indentation on the top.
 
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Old Apr 12, 2015 | 07:29 PM
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f100beatertruck
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Unless you're running some really high compression pistons, you should have no problems. The exhaust is the one trouble spot.

Use:
Ford Racing Part # M-9430-T50 for the 302
Ford Racing Part #: M-9430-T58 for the 351.

Unfortunately I just checked and they're no longer available. So you'd have to search for something similar or get some GT-40 heads instead.
 
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Old Apr 12, 2015 | 08:32 PM
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Due to the exhaust issue, I'd never consider using these heads.
 
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