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Old 01-24-2024, 09:58 AM   #1
dmjlambert
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Join Date: Apr 2016
Location: Cypress, TX
Posts: 3,588
What pulley do I need?

Here's the deal on my 1969 350 engine.

At the crank shaft counting out from the engine I have a pulley, then a space, then 2 more pulleys. Right now, the A/C compressor belt is occupying one pulley space too far from the engine (3rd groove out) and it does not line up properly. It is doing OK, but I would rather have it line up and use the 2nd grove out from the engine. The crank pully appears to be 6.5 inches diameter.

I have a water pump pulley with 3 grooves so it looks like I could get one with 2 grooves, and I don't need that 3rd groove out from the engine. The water pump pulley appears to be 5.75 inches diameter. The water pump is a short water pump.

Is there an appropriate pulley set that I can get to replace my engine and water pump pulleys? Rockauto or used? What do I look for? I don't want chrome or billet, just want plain stock pulleys.

Does the A/C normally line up on the 2nd groove out from the engine or is mine weird?
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