Water Pump Pulley Help Please

[monte0185]

On our 86-91 BBC trucks the alternator belt is a serpentine belt. I was wondering if anyone has the part numbers for the water pump pulley that also has the single v-belt groove as well? Im trying to convert my Pro-Street BBC over to this to ease my charging issue. Pic of setup For reference..

[Pontiac1976]

Your is mostly like a 7 in pulley water pump. 69-72 there to ID: #'s BB 7" 33956666 ID: #'s SB 7" 330556 single grove.

V8 73-77 single grove water pump 7" ID:# 14023154 CC

hope this helps

[monte0185]

Originally Posted by Pontiac1976

Your is mostly like a 7 in pulley water pump. 69-72 there to ID: #'s BB 7" 33956666 ID: #'s SB 7" 330556 single grove.

V8 73-77 single grove water pump 7" ID:# 14023154 CC

hope this helps

I have the later model long nose pump and currently have a double groove v-belt pulley. What I'm wanting to do is keep the double groove but make the alternator a serpantine belt like the 86-91 motors have. If that makes sense.

[monte0185]

This is a pic of my setup but it has a cs130 amp now and has been rewired.

[Pontiac1976]

Ok so you have serpentine belt. on the out side, but you have a two belt pulley on the water.
If I got this right now. You want a serpentine belt on the out side of the water pump pulley and a in side V belt. Wright

Then you are looking for the 84-86 Firebirds / Camaro could be the V6 305-350 set up. I got one of these for my 76 Lemans . NOT Know the #'s on them of hand not sure where I put it to look at them. Think the Monto Carlo had this set up to but can't remember what year and what motor set up.

[Pontiac1976]

LINK: https://marchperformance.com/aluminu...mp-pulley.html
This might be the one your looking for?

[monte0185]

Originally Posted by Pontiac1976

Ok so you have serpentine belt. on the out side, but you have a two belt pulley on the water.
If I got this right now. You want a serpentine belt on the out side of the water pump pulley and a in side V belt. Wright

Then you are looking for the 84-86 Firebirds / Camaro could be the V6 305-350 set up. I got one of these for my 76 Lemans . NOT Know the #'s on them of hand not sure where I put it to look at them. Think the Monto Carlo had this set up to but can't remember what year and what motor set up.

Close. I just have v-belts now but want to replace the alternator belt with a 5 rib serpantine belt just like what's on the 454 setups from 86-91. The first pic of the black truck is my 86 that had the setup I'm looking for. The red truck is my pro street that I want to copy the serpantine setup from the first one. I can find the matching crank pulley but I can't find the water pump pulley but I think it may be the same as the sbc like you mentioned earlier but I can't find any part numbers to prove that one way or another. I found a smaller wider pulley for the alternator v-belt so I may just scrap this idea and go with it.

[monte0185]

Originally Posted by Pontiac1976

LINK: https://marchperformance.com/aluminu...mp-pulley.html
This might be the one your looking for?

Found that one to but says 305/350 so not sure it'll fit on my bbc. But it's as close as I've found to what I'm looking for.

[Pontiac1976]

Try to look in the scrap yards junk yards for the 84-86 Firebirds / Camaro could be the V6 305-350 they have the set like this if you find one grab alt or ( just the alt Pulley ) if you have a Batt impact gun, water pump pulley, belt or mark down the size, keep eye on e-Bay for them.