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Old 11-28-2011, 12:52 PM   #11
El Campo
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Join Date: Jul 2011
Location: El Campo, Tx
Posts: 1,246
Re: Attempt/Mistake #2

So since I am putting the serpentine system on the big block like I stated above I had to find a factory big block pulley which I located at a truck salvage yard. I got the one off of a 94 BBC which apparently is the year that GM changed the size of the snout. I got the pulley with the number 10187661 which is not the one recommended by Kwik Performance although they thought it would work. It will work but not without throwing it into the lathe after welding a spacer into it. As you can see (maybe) in the pictures the ID of the harmonic balancer is 2.25 inches but the OD of the pulley snout is 1.75 inches. It might work but I do not really trust the 3 mounting bolts to keep it from moving around. And so am going to add on a piece and turn it down. Another odd thing was that when I pulled the pulley off of the donor the harmonic balancer bolt was THROUGH the pulley also thereby making it impossible to take the pulley off without taking that bolt out also. Going to have to knock the lip down a bit too as there is only 0.3 inches of clearance between the back face of the pulley and the front face of the balancer washer but the snout lip is 0.4 inches long.
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72 Chevy blue LWB, 99% original Oklahoma truck, 28,000 miles
72 Chevy SWB: http://67-72chevytrucks.com/vboard/s...d.php?t=486626 (Attempt/Mistake #2)
2003 Harley Davidson Dyna Superglide with 2007 Street Bob front end
2000 Ford F350 Powerstroke 4WD CCLB, 310,000 miles running great (STOLEN St. Patricks Day 2014 AND NEVER RECOVERED)
2002 Ford F250 Powerstroke 4WD CCLB (To replace stolen one)
Hook em Horns!!!

Last edited by El Campo; 11-28-2011 at 01:02 PM.
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