v belt to serpentine conversion

[jrfonte]

I have an 83 c10 with a 96-00 350 vortec engine (10243880) has the 83 v belt drive on it. I bought a serpentine setup from a buddy off what he said was a 94 5.7 to install on this engine. I got all the brackets, alternator, old water pump and he gave me a new water pump with it and a/c delete pulley. The problem im having is that I went to take off the serpentine pulley off the old pump and install in on the new one yesterday and it does not fit and I got to looking and the new pump is for a v belt drive.

So does anyone have a part number for a reverse rotation water pump for a serpentine drive that does not have the 2 heater outlets on top of it and still have the bypass port on the passenger side?

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[jrfonte]

Well I pulled the cover off the new pump just to see the direction of the impeller and its the same as the serpentine pump. So I guess my only question is now is what pulley do I need to fit it?

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[bucket]

Looks like a hodge podge. That old water pump is for a '96+ vortec. And that smooth pulley looks way too small, but maybe that's just how it looks in the pic.

 

[jrfonte]

Yea its a piece together lol. The smooth pulley is what I pulled off the old water pump. I found the part number fr the serpentine pulley to fit the new pump its an a/c delco #10085760 and here is a link to one. The old pulleys bolt pattern is to large for the new pump.



http://www.stockwiseauto.com/product_info.php/cPath/1102_1257/products_id/319044

 

[MrMarty51]

Quit messing around with the pumps an pulleys that He give you and just order in a water pump for an 88 to a 94.
It appears from looking at that Delco pulley, that they bused that same pulley on a lot of the 454s, 350 and 4.3s so, once the proper pump is in hand, the pulley you have with them parts should fit.

 

[jrfonte]

Got everything on checking fit n finish all I need now is for my waterpump pulley to come in.

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[bucket]

Clean!

 

[jrfonte]

Thanks. now just to pull it off and pull the engine out go through it and trans. Blast frame and fire wall paint and put back together.