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Old 02-05-2024, 11:52 AM   #165
sfont66
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Join Date: Nov 2015
Location: Pine City MN
Posts: 356
Re: 72 C10 for my 25th wedding anniversary

Had just enough time on Friday to install the oil pump, attach the pickup tube, reinstall the oil pan, front cover and harmonic balancer.
I bought new flanged hex head bolts for the pickup tube. This made it a lot easier to tighten the pickup tube bolts in the small amount of room provided, with the front cover off and oil pan lowered out of the way. Getting the O ring and tube into the pump wasn’t particularly difficult, but being 100% sure it was all seated together completely and correctly weighed on my mind. I did use a dull plastic probe to slightly push the O ring up into the pump while pushing up on the pickup tube. I put a couple of Zip ties around the new pickup tube bolts again as I installed them, it certainly helps prevent disaster in the event I accidentally dropped one in the pan. Once the bolts where threaded in a couple turns, I added a bit of blue loctite and cut the zip ties off. I was not able to get a torque wrench on the pickup tube bolts, so I tightened them up firmly with a open end wrench.

Next the front cover was installed loosely, and the harmonic balancer was installed and torqued. With the balancer centering the front cover and seal I torqued the cover bolts. Then a bit of ultra black rtv to the corners of the oil pan, and the oil pan went back in place. At first I didn’t think there was room for a torque wrench to access all the bolts, but thankfully there was.
Next I need to check PTV clearance, and measure for pushrods. I have adjustable pushrods, and lightweight checker springs, but I need to order a 8” caliper to measure the adjustable pushrod more accurately, and a valve spring compressor ,so I can swap to lighter springs and back to the .660 springs.
So I will get those items ordered, hopefully they will arrive before next weekend.
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72 C10, Was a 350,M20, Brodix heads,Comp cam, Edelbrock intake&carb, Hedman hedders LWB.
Project is now a 5.3(L33) w/PRC stage 2.5 CNC ported 243heads, BTR RedHot cam,Holley Terminator X, T56 magnum. SWB, Boyd tank. 4.5/4 Drop http://67-72chevytrucks.com/vboard/s...My72c10project
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