Thread: 3.2L to 3.7L nice upgrade
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Old Mar 19, 2014 | 08:30 AM
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Speedy4x4
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From: Southern IL.
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The 3.7 is only 30 HP more then 3.2 but the 3.7 also has a mechanical fan. But I would want to change pistons to 8.5:1 how much boost do you think the 3.7 cylinders handle?
 
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