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Old 05-12-2004, 23:34   #1 (permalink)
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biggrin more power out of my 4.1 EFI?

would i get more power out of my MPI 4.1 XF motor, if i up the compression like puting a 4.1 hc xe bottom end on it, or high comp pistons, or dose the MPI like low comp ?
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Old 05-14-2004, 00:23   #2 (permalink)
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Re: more power out of my 4.1 EFI?

You will get more power if your motor is OK in the first place. Shaving the head is the cheapest way. To get good power, the cam, exhaust, etc needs to be changed too. Changing the "bottom end" is effectively replacing the motor....
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