Restoring a 66 Big Block. What is the correct way to align the Alt. with the power steering pully? The Alt. needs to come forward about a 1/2 inch in order for the pullys to line up tp put belt on.
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Re: 66 Restoration Questions
Robert------
Are you sure that you have the correct alternator pulley? There is no adjustment built into the alternator mounting system to correct for this kind of misalignment. Usually, the problem is caused by one or more incorrect pullies. Your power steering pump pulley should be ok. Only 1 pulley was ever used for big block in Corvettes-----a cast iron, 2 groove pulley of GM #3878245.
The alternator pulley for your application (unless you have C-60) should have a "built in spacer" on the inner side.In Appreciation of John Hinckley -
Re: 66 Restoration Questions
Assuming you have the correct mounting brackets - you need a 427 PS pulley which is offset toward the front for proper alignment. This pulleys are repro'd and easy to get from most Corvette restoration suppliersComment
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Re: 66 Restoration Questions
I know I have the correct P/S pully and brackets for the BB. I will check the alt. pully. If anyone else has any ideas that would help me please reply. Thanks GuysComment
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Re: 66 Restoration Questions
Had the same problem as you on my 1966 Big Block and it was the Alt. pulley. The correct PS Alt Pulley has a built in spacer that is almost 1/2 thicker then the non power steering pulley.Comment
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Re: 66 Restoration Questions
I had the same problem on my '66 L-72. After looking at other cars I found out that the alternator bracket I had was from a '65 and not for a '66.
The '65 mounting bracket is shorter than the '66 and therefore the belts don't line up. I purchase the bracket from GM, still available.
Good luck,
KurtComment
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