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#1
01-10-2003, 01:37 PM
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Re: 1970 834 Alternators vs. 837's
The 837 37AMP Alternator applied on all the Solid Lifter engines.Also known as SPECIAL Hi-Perf engines.L-78,LS-6,LT-1.etc.It included the deep groove pulley and fan,but also the electrical internals were different then the 834,as well as the bearings to handle the higher RPM's.
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#2
01-10-2003, 01:56 PM
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Re: 1970 834 Alternators vs. 837's
According to the old GM parts book, the only difference between the '834 and '837 alternators is the pulley. The '834 got the small stamped pulley while the '837 got the larger deep grooved machined steel piece. The deep grooved pulleys were used on the solid lifter engines. 1100566, 1100836, 1100839, 1100841, and 1100842 are also the same except for the pulley. 1100742, 1100843, 1100845, and 1100917 have a different stator as well. All other internals are interchangeable.
__________________
Chevelleless after 46 years......but we did find a low mileage, six speed, silver 2005 Corvette. It will just have to do for now. 
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#3
01-10-2003, 02:21 PM
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Re: 1970 834 Alternators vs. 837's
Keith...that is interesting.
When I needed my 837 Alt. restored,I considered swaping out the guts with an 834.I was going to do it myself.I called JP in Georgia,when he said not to do that.He said there are more differences involved in that alternator,as I stated above,and that I should send it to him to be correctly restored internally.Now maybe he was just trying to make a sale,only cost me $85.00 back then,but I believed him.
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