Gen 6 to Mark IV.......?
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I have (2) Mark IV flywheels and starters if you need them for your conversion. Also have new fluiddamper, roller rockers and lifters. I think I still have a 454 Mag fuel pump too. Repost or PM me if you are interested.
Last edited by RedDog382; 12-10-2003 at 12:39 AM.
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The holes in the alternator bracket may not line up, depends on which heads you end up with the gen 6 brackets use 7/16 bolts in slightly different location then the 3/8 bolts used in MK IV, You can usually drill an offset hole with a drill press in the bracket.
The MK IV sea water pump pully doesn't stick out as far as the Gen 6 by about 1/8-3/16 " so when going from a Mk IV to gen 6 you have to shim the bracket to get the pullies to line up , you are going the other way so this is a problem you may need the mk IV pump
The electric fule pump will work but you will need a block off plate for the fuel pump boss.
The remote oil filter ( the part that connects to the block where an oil filter normally goes) is different you will need one from a MK IV
Flywheel and balancer are different you will need MK IV, the starter motor is ok
The MK IV sea water pump pully doesn't stick out as far as the Gen 6 by about 1/8-3/16 " so when going from a Mk IV to gen 6 you have to shim the bracket to get the pullies to line up , you are going the other way so this is a problem you may need the mk IV pump
The electric fule pump will work but you will need a block off plate for the fuel pump boss.
The remote oil filter ( the part that connects to the block where an oil filter normally goes) is different you will need one from a MK IV
Flywheel and balancer are different you will need MK IV, the starter motor is ok
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I read somewhere about head compatibility when swapping blocks that way... core openings and such. I think it was well covered in Dennis Moore's BB Chevy Marine book. Check it out if you can get your hands on a copy, or I'll dig mine out if you can't. --- Jer