crankshaft pulley
Thread Starter
Racer
Joined: May 2005
Posts: 346
Likes: 0
From: Eau Claire Wisconsin
crankshaft pulley
Whats the secret to removing the crankshaft pulley? I'm not really an engine guy so I dont want to screw anything up. Thanks 
Also, I want to replace the pulleys with chrome or aluminum ones but I'm not sure about which ones to purchase. The reason is I thought I had a short water pump but when I look at whats available to replace them with it doesnt match whats on the car. I have a 2 groove water pump pulley and a 3 groove crankshaft pulley. I've been told on this forum that I have a short pump
When I look at the kits for a short pump the grooves are 1 for water and 2 for crank 
Please help me out.
The engine is a small block l-48 with a few modifications.
Also, I want to replace the pulleys with chrome or aluminum ones but I'm not sure about which ones to purchase. The reason is I thought I had a short water pump but when I look at whats available to replace them with it doesnt match whats on the car. I have a 2 groove water pump pulley and a 3 groove crankshaft pulley. I've been told on this forum that I have a short pump
When I look at the kits for a short pump the grooves are 1 for water and 2 for crank Please help me out.The engine is a small block l-48 with a few modifications.
Last edited by MarineGunny; May 25, 2005 at 10:50 PM.
Thread Starter
Racer
Joined: May 2005
Posts: 346
Likes: 0
From: Eau Claire Wisconsin
Hmmmmm, Maybe I should clarify a bit. I understand that there are 3 small bolts to remove. There is also a center bolt. If I try to remove the center bolt it turns the entire crankshaft. This is the part that concerns me. How do I break the bolt loosesince the pulley turns when I try to do so?
Melting Slicks
Joined: Apr 2005
Posts: 2,045
Likes: 4
From: Yorktown VA
NCM Sinkhole Donor
Originally Posted by MarineGunny
Hmmmmm, Maybe I should clarify a bit. I understand that there are 3 small bolts to remove. There is also a center bolt. If I try to remove the center bolt it turns the entire crankshaft. This is the part that concerns me. How do I break the bolt loosesince the pulley turns when I try to do so?
Melting Slicks
Joined: May 2003
Posts: 2,253
Likes: 1
From: Rochester Kent
Put a socket wrench on there and just give it a sharp tap with a hammer to break frre the nut that should do it. I just did mine this way, also try a little penetrating oil first just to give it some help. 
Race Director
Joined: Sep 2004
Posts: 11,874
Likes: 263
From: Arlington Va Current ride 04 vert, previous vettes: 69 vert, 77 resto mod
Originally Posted by MarineGunny
Hmmmmm, Maybe I should clarify a bit. I understand that there are 3 small bolts to remove. There is also a center bolt. If I try to remove the center bolt it turns the entire crankshaft. This is the part that concerns me. How do I break the bolt loosesince the pulley turns when I try to do so?
in a manual transmisson put the car in gear and chock the wheels this will stop the crankshaft from rotating, or alternatively in an auto drop the fly wheel inspection plate and put a screw driver through one of the holes in the flex plate.
