4.0 pistons in a 3.0 - Ranger-Forums - The Ultimate Ford Ranger Resource


2.9L & 3.0L V6 Tech General discussion of 2.9L and 3.0L V6 Ford Ranger engines.

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  #1  
Old 12-17-2006
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4.0 pistons in a 3.0

is it possible to bore out a 3.0 and put 4.o pistons in it. or maybe put a 4.o crank in a 3.0. the whole point is more power. or does anyone know where to get higher compression kits or cam or anything for the 3.0
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Old 12-17-2006
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shave the heads.. it'll lower the Combustion chamber down to the piston more, and will bump compression.. thats what im doing

cam, go with a set of jusnes modified RR's
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Old 12-17-2006
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Swap your muffler bearings for the 4.0's
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Old 12-17-2006
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It would be less trouble to put in a 4.0, than to try to bore the 3.0 enough to fit the 3.0 pistions, and modify the block to have proper bearing positions to support the 4.0 cam. You should entirely forget the overhead cams.

If a 4.0 is what you want, get a 4.0, lol.
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Old 12-17-2006
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Quote:
Originally Posted by b3kbruiser
Swap your muffler bearings for the 4.0's
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  #6  
Old 12-18-2006
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muffler bearings i heard that adds like 10hp haha. yah your'e probably right just put in a 4.0. im a little leary of swapping motors. last swap was a 302 in a 1970 mav that didn't work. how much trouble is it to swap the 4.0 in
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Old 12-18-2006
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Quote:
Originally Posted by rangerdan
muffler bearings i heard that adds like 10hp haha. yah your'e probably right just put in a 4.0. im a little leary of swapping motors. last swap was a 302 in a 1970 mav that didn't work. how much trouble is it to swap the 4.0 in
Sell your 3.0 and buy a 4.0... It'll run you about the same cost wise and be a LOT less hassle
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Old 12-28-2007
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muff;er bearings? ok. lol
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  #9  
Old 12-28-2007
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wow old thread, let it RIP
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