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06-10-2014, 07:57 PM | #1 |
Registered User
Join Date: Oct 2012
Location: cortland, oh
Posts: 792
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327 W/ A.I.R. W/AC W/PS Pulley Help?
First: I am sorry for starting yet another thread with what would seem to be an easy problem for those of you used to these trucks. I know my pontiacs, but chevy's are new to me (you mean chevy cranks didn't always have a bolt hole in the center? Short and long water what?). I do search all over this site and google and read as much as i can before starting a new thread.
Hit another snag on putting together the 327 tonight. For those new to my project, it's a California 66 factory 327 that came with AIR smog, AC, power steering. I have a new balancer, and have checked that it is the same as my old factory one in measurement from the surface that hits the crank timing gear to the face. After installing, it sits so the crank snout is about 1" down inside the balancer hole. Looking at the dirt mark on my old one, that seems to match. I am 99% sure it is on all the way. Heated it with boiling water, used a proper installer (my crank had been drilled and tapped prior) and done this three or so times and it always stops at the same point, and the keyway is in straight. I honed it to clean it up with a brake hone, cleaned, and used some light oil on the snout. Everything would seem normal. I have a new cast iron short water pump. I have the pulleys that came off the truck from, what i believe, is the factory: One groove Power steering pulley i haven't put on yet because i don't have the pump, stamped steel. three groove cast iron AC pulley two, two groove crank pulleys, no gaps, snug against the balancer that seem indexed and meant to mate together. Outermost one is cast iron, part number 3876326. Here are pics, it just seems pretty far off to start with? I had to use a 1/16 shim on the water pump pulley so it doesn't brush the water pump, but the previous pump had one on it too, and this seems like 1/2" off?! I could see the balancer being like 1/8" MAYBE, i checked the length of the crank snout, etc, etc. I really think it's right. It sure can't go on a ton more. Am i missing something dumb here?
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