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Discussion Starter #1
I am finishing up my rebuild on my 1966 389 and installed the Butler upgrade to a 11 bolt water pump and am also adding A/C. I am using the stock alternator and power steering brackets but the pulleys are not lining up at all. The upgrade kit came with the timing cover, water pump, balancer, and water pump pulley. I purchased a March 3 groove crank pulley and it all seems to be off about 1/2 of the groove. Has anyone else had this issue?
 

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yes you will have problems...

none of your 66 stuff will work with the 11 bolt water pump

nothin

but a few bolts .... nothin ..............

not even the rear alternator bracket to intake ...

everything changed depth with the 11 bolt cover from a 66..

67-70 on pump n brackets

68-70 crank pulley

69 70 water pump pulley

are needed for correct align ment
 

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Discussion Starter #5
Finally got the pulley back from the machine shop and everything now lines up just as it should now. Hoping to get the engine and trans installed by the end of the month.
 

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