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Old 01-31-2007, 03:36   #1 (permalink)
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Question How To Turn My 347 Into A Boss Motor

Hi I am running a 347 stroker and wish to change it to a boss motor what mods do I have to do to my motor to get the most power out of it with my stroker I am making 430hp what will I make in hp if I turn it into a boss motor .

THIS THE CAM I AM RUNNING NOW

crane soild cam my cam spec are
LIFT intake@ cam 3454 @ valve 553
exhust@ cam 3574 @ valve572


DURATION @ 50 INTAKE 244
exhust 252
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Old 02-07-2007, 15:12   #2 (permalink)
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Re: How To Turn My 347 Into A Boss Motor

G'day,
I think you are asking about how to fit Cleveland heads onto a Windsor block, (commonly called a Clevor motor by the Yanks). I have not done this, but have read about it - someone else will be able to help you better. What I have read is that you have to block a couple of coolant holes in the Cleveland heads, with screw in plugs or press in welch plugs, and drill a couple of new holes in a different location. You apparantly also require a Boss (or Clevor) style inlet manifold.
Hope this gives you a bit better idea. Good luck.
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Old 02-18-2007, 20:11   #3 (permalink)
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Re: How To Turn My 347 Into A Boss Motor

Is that 430 FW or RW horsepower?

You dont want to go much over 500rwhp on a 302 block as it will probably split in half.

What heads are you running now? Must be heavily ported stockers or some sort of aftermarket I am assuming. I am not sure that going to a clevor would be worthwhile if you really are making that much hp already.
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Old 03-10-2007, 18:26   #4 (permalink)
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Re: How To Turn My 347 Into A Boss Motor

Quote:
Originally Posted by ZH 1
G'day,
I think you are asking about how to fit Cleveland heads onto a Windsor block, (commonly called a Clevor motor by the Yanks).
slight clarification Clevor is 351C heads on a 351W block. He wants to make a stroker Boss 302, C heads on the 302W block.
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