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01-18-2015 08:52 AM
Thread: 402 needs more power (heads & cam)
by pat mccarthy- Replies
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for what it worth many of the close chamber Gm...
for what it worth many of the close chamber Gm /trw forged pistons 396/402 hi CR were made for the close chamber REC port heads not the close chamber oval port that could be less cc and could be...
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01-17-2015 07:07 AM
Thread: 402 needs more power (heads & cam)
by pat mccarthy- Replies
- 18
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- 17,892
366 and 427-454 heads all fit on the 396/402 bore...
366 and 427-454 heads all fit on the 396/402 bore and many of the rec port hi per gm heads were used on the 396 hi out put engines that came with 2.19 intake valves bigger valves up to 2.250/2.300...
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01-15-2015 07:16 AM
Thread: 402 needs more power (heads & cam)
by pat mccarthy- Replies
- 18
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- 17,892
you should look at it this way them heads you...
you should look at it this way them heads you have now i used them to feed bbc from 396 to 496 them heads with some work can make 500 hp easy .most all after market heads are built to feed a 454 and...
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01-15-2015 06:49 AM
Thread: 402 needs more power (heads & cam)
by pat mccarthy- Replies
- 18
- Views
- 17,892
you do not need new heads. them iron heads i used...
you do not need new heads. them iron heads i used many times if engine is built right as for size of cam. i go hyd roller on bbc for street most all the time .a kit may be your best way to go for...
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What a cool old car. I’m glad it will still be near you, and taken care of.
57 Plymouth