Need help with stock pulley setup
 

So I’ve got a 1972 K20 with a 350 and power steering, but non A/C nor smog. Can someone tell me what pulleys I need to make everything line up and route correctly for a stock application (short water pump)? My current water pump pulley has 1 groove that doesn’t line up with anything on my crank.
Someone had put a later style engine in this truck and it had a whole mess of crazy bent up pulleys on it.
Thanks in advance.

Re: Need help with stock pulley setup
 

I'm afraid I don't have the answer you need but, I will suggest you ask a moderator move your thread to the pick-up section where you will have far more people see it than you would here in the lonely Suburban section.

And maybe another photo of your alternator brackets.

Good luck.

Re: Need help with stock pulley setup
 

Contact--lolife99--he should be able to help you with the correct water pump pulley

Re: Need help with stock pulley setup
 

Haha thank you, I didn’t even realize I was in the suburban forum. I have too many projects and can’t keep any of them straight.

Thank you!

Re: Need help with stock pulley setup
 

Thank you for the suggestion. I’ll reach out to him.

Re: Need help with stock pulley setup
 

Got your pm’s.
I think you have the wrong water pump pulley.
Which crank groove does your alternator line up with.

Here’s the setup on my truck.
It all came from a 1971 with a 350.

Re: Need help with stock pulley setup
 

I think your water pump pulley is from a “long water pump” set up.
(73-87 pulley)
The alternator should run on the groove closest to the crank.
The add-on crank pulley is p/s specific.

You need a deeper water pump pulley.

Re: Need help with stock pulley setup
 

My alternator pulley lines up perfectly with groove number 1 (closest to the crank).

Re: Need help with stock pulley setup
 

I have a single groove water pump pulley, but it’s chrome.
I’m sure you could paint it black.
It should be about a 7” diameter pulley, 3” deep.
They sell them aftermarket.
Or I’d be glad to sell you my chrome one.
I’ve sold all my single water pump pulleys in bare steel.

Re: Need help with stock pulley setup
 

I do have this 2-groove waterpump pulley.
https://67-72chevytrucks.com/vboard/...d.php?t=835174

Re: Need help with stock pulley setup
 

here is a picture of my 72 K5 with small block no AC or smog. short pump with power steering as well as picture of part number stamped on the top water pump pulley


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