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454 or 427

baja265

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i have baja speedboat 27' with 454 330 hp mercruiser with bravo 1 the engine need rebuilt but i have 427 chevy big truck engine just rebuilt i know it's a same manifold and cam it's a good engine for my boat! beacause have more hp with 427!! i think just change cam for lowered torque rpm it is rigth???

thx"
 
It'll be a slug with that

It'll be a slug with that motor:

1. Small ports

2. Small valves

3. Weak cam

4. Etc.

Jeff
 
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i know for the port valve and cam but this engine bored .100 oversize with new rectangular port head and new cam!!

best dan"
 
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