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  #1  
Old 03-10-2004, 03:21 AM
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James61868 James61868 is offline
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Default mopar

I have a small block 360 and was wandering if 360 block can use 340 j heads and if thier smaller chamber size will make a difference in power



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Old 03-10-2004, 10:05 AM
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The 340 and 360 uses the same heads and the chamber sizes are the same for each. Only difference is that most 360's got a 1.88 intake valve instead of the much needed 2.02 valve.
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Old 03-10-2004, 12:15 PM
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rumblefish360 rumblefish360 is offline
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Default It's a bolt on deal

The 340 heads will have chambers around 70 -72 cc's. This may be more cc's than your 360 heads have now. This would drop comp. a bit.
Ethier mill the heads or replace the pistons to keep the same comp. as you have now. This depends on the amount of cc's the current 360 has.
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