88-89 1pc engine bracket swap question

[dagen_1]

when going from this:

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on the 88-89 TBI engines, to the newer style (2 pc design), will the a/c compressor and alternator bolt up? i'm seeing different part numbers online when it comes to the alternators.. just wondering if i have to buy a newer alternator or not. (and god forbid i have to change my new a/c compressor).

the 90-94 brackets for reference:

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[88GMCtruck]

AC compressor and alternator were the same going between my steel and aluminum brackets.

 

[dagen_1]

AC compressor and alternator were the same going between my steel and aluminum brackets.

thank you sir! that's a relief.

 

[someotherguy]

And while you're in there, if you happen to decide to change the pulley on the tensioner...remember the bolt is left hand threaded. Probably already know that but it bears repeating so you don't end up having to buy a new tensioner...

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Richard

 

[dagen_1]

And while you're in there, if you happen to decide to change the pulley on the tensioner...remember the bolt is left hand threaded. Probably already know that but it bears repeating so you don't end up having to buy a new tensioner...

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Richard

thanks for the reminder.. i'll be changing tensioners and the water pump while im in there. thanks Richard!