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Old 03-18-2010, 07:00 PM   #1
dukkie
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My Build Thread to Document and watch progress 72 C20

Just picked up a 1972 3/4ton C20 3-14-2010

I just joined this site if anyone has info/ tips/ tricks/ parts/ sources/ that would be gladly appreciated


Check it out As purchased:











It Originally had a 400 but i bought it with no motor or transmission. However it had a 305 sitting in the bed out of a K5. Im going to go with that for now and this 700r4 i have in the garage but i would be interested in returning a 400 where it belongs
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Old 03-18-2010, 07:03 PM   #2
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Re: My Build Thread to Document and watch progress 72 C20

**** BTW picked up this truck 3/14/10 and my deadline is 2 weeks before memorial day may 15 cause im goin to vegas for a week and the truck must be ready to go to galveston beach memorial day weekend
All work is being done in house by just myself and brother after work from like 6pm till 1am.
Hand tools only, no lift, not even an air compressor, just wrenches ratchets and screwdrivers*****



So far all i have done is repair both door handles so they operate and wash the surface mold off the upholstery. Took off the intake and valves off to have a look, going to pull the heads tonight, and possibly begin a shopping list.

3-17-2010

Last edited by dukkie; 04-24-2010 at 12:15 AM.
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Old 03-19-2010, 01:37 AM   #3
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Re: My Build Thread to Document and watch progress 72 C20

Ok so No on the 305. I didnt want to put a 305 in it but since it was already there i was going to for now to make it driveable. I Pulled one head off and my brother took a look and says it needs to be sent to machine shop to be cleaned up, and to forget the 305 and search craigslist for a 454. because the 400 (or apparently 402) is hard to come by. Now here I am gotta look for a 400/402/454 and a turbo 400 transmission something running that i can drop in and drive away same day. Its gonna be a budget built tow rig and weekend driver.
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1972 C20, 03-14-10 Build Thread
2000 Silverado 4.8L, 11-04-13 (Currently Parting)
1999 Silverado 5.3L, 07-07-14. (Engine Donor)
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Old 03-19-2010, 09:12 AM   #4
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Re: My Build Thread to Document and watch progress 72 C20

Welcome to the board. You and I are practically neighbors!
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Old 03-19-2010, 09:05 PM   #5
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Re: My Build Thread to Document and watch progress 72 C20

Sweet!! Can i borrow a hammer?
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1972 C20, 03-14-10 Build Thread
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1999 Silverado 5.3L, 07-07-14. (Engine Donor)
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Old 03-21-2010, 02:33 AM   #6
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Re: My Build Thread to Document and watch progress 72 C20

3-20-2010 Motor/Trans Purchased 500 Dollars

A Chevy 355 (3970010 block with a .030 overbore using a stock 350 crank). It has an Edelbrock Performer intake, a brand new starter, a newly rebuilt distributor, and a new water pump. It also has an xtreme energy cam, a set of 882 heads, and some Hypereutectic pistons.
It's a stock th400 for it has about 20k miles on it, comes with the torque converter, the electric kick down components, and the front section of a driveshaft with the proper yoke.
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1972 C20, 03-14-10 Build Thread
2000 Silverado 4.8L, 11-04-13 (Currently Parting)
1999 Silverado 5.3L, 07-07-14. (Engine Donor)
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Old 03-23-2010, 11:12 AM   #7
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Re: My Build Thread to Document and watch progress 72 C20

subscribed
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2001 Dakota R/T - Silver CC - 1 of 1671 •360 w/46RE •392 limited slip
1969 Chevy C/10 - Blue LWB •350 w/ 700R4 •3.73 posi •PS PB A/C - SOLD

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My lugnuts require more torque than your honda makes!
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Old 03-30-2010, 05:11 PM   #8
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Re: My Build Thread to Document and watch progress 72 C20

355 As Purchased from Member Nightmare

A Chevy 355 (3970010 block with a .030 overbore using a stock 350 crank). It has an Edelbrock Performer intake, a brand new starter, a newly rebuilt distributor, and a new water pump. It also has an xtreme energy cam, a set of 882 heads, and some Hypereutectic pistons. It's a stock th400 for it has about 20k miles on it, comes with the torque converter, the electric kick down components, and the front section of a driveshaft with the proper yoke.
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1972 C20, 03-14-10 Build Thread
2000 Silverado 4.8L, 11-04-13 (Currently Parting)
1999 Silverado 5.3L, 07-07-14. (Engine Donor)
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Old 03-30-2010, 05:12 PM   #9
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Re: My Build Thread to Document and watch progress 72 C20

Intake Off

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Old 03-30-2010, 05:13 PM   #10
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Re: My Build Thread to Document and watch progress 72 C20

Polishing Up Intake


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1972 C20, 03-14-10 Build Thread
2000 Silverado 4.8L, 11-04-13 (Currently Parting)
1999 Silverado 5.3L, 07-07-14. (Engine Donor)
2015 Ram 05-20-15 (Daily Driver)

Last edited by dukkie; 03-30-2010 at 05:14 PM.
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Old 03-30-2010, 05:15 PM   #11
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Re: My Build Thread to Document and watch progress 72 C20

Went Shopping




*** edit***
went shopping a whole lot more over past week
No photos But have reciept totals:
149.48
7.93
3.21
6.47
156.42
163.47
201.57
19.17
63.71

Includes: Bolts, washers, allthread, sawsall, spark plugs, radiator hoses, thermostat, and gasket, wp gasket, fuel hose, fuel filter, trans fluid, hose clamps, threadlock, hose adapter, batt cable, terminals, water temp gauge, ps pump pully tool, pipe cutter, air cleaner, wire wheels, header bolts, valve cover T bolts, thermostat water neck, header paint, brake fluid, ps fluid, brake cleen, towels, header primer, exhaust gasket, carb spacer, vacuum plugs, idler pulley, ac delete pulley, trans mount, fuel pressure regulator, oil dry, serpentine belt, grinding wheels some other stuff too i cant remember right now
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1972 C20, 03-14-10 Build Thread
2000 Silverado 4.8L, 11-04-13 (Currently Parting)
1999 Silverado 5.3L, 07-07-14. (Engine Donor)
2015 Ram 05-20-15 (Daily Driver)

Last edited by dukkie; 04-05-2010 at 05:15 AM.
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Old 03-30-2010, 05:16 PM   #12
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Re: My Build Thread to Document and watch progress 72 C20

Taken Off a 69




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1972 C20, 03-14-10 Build Thread
2000 Silverado 4.8L, 11-04-13 (Currently Parting)
1999 Silverado 5.3L, 07-07-14. (Engine Donor)
2015 Ram 05-20-15 (Daily Driver)
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Old 03-30-2010, 05:18 PM   #13
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Re: My Build Thread to Document and watch progress 72 C20

New Valve Covers


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1999 Silverado 5.3L, 07-07-14. (Engine Donor)
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Old 03-30-2010, 05:20 PM   #14
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Re: My Build Thread to Document and watch progress 72 C20

Test Fitting Serpentine belt system from a 94 Burban



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1972 C20, 03-14-10 Build Thread
2000 Silverado 4.8L, 11-04-13 (Currently Parting)
1999 Silverado 5.3L, 07-07-14. (Engine Donor)
2015 Ram 05-20-15 (Daily Driver)

Last edited by dukkie; 03-30-2010 at 05:21 PM.
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Old 04-05-2010, 04:03 AM   #15
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Re: My Build Thread to Document and watch progress 72 C20

Built an engine / trans stand to mount it up and tune the motor while still in the garage


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2000 Silverado 4.8L, 11-04-13 (Currently Parting)
1999 Silverado 5.3L, 07-07-14. (Engine Donor)
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Old 04-05-2010, 04:07 AM   #16
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Re: My Build Thread to Document and watch progress 72 C20

Got the transmission mounted




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1999 Silverado 5.3L, 07-07-14. (Engine Donor)
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Old 04-05-2010, 04:09 AM   #17
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Re: My Build Thread to Document and watch progress 72 C20

Added Holly Street Avenger 670


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1972 C20, 03-14-10 Build Thread
2000 Silverado 4.8L, 11-04-13 (Currently Parting)
1999 Silverado 5.3L, 07-07-14. (Engine Donor)
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Old 04-05-2010, 04:12 AM   #18
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Re: My Build Thread to Document and watch progress 72 C20

Some Header Installed photos.
Grind off the back of alternator bracket for clerance




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2000 Silverado 4.8L, 11-04-13 (Currently Parting)
1999 Silverado 5.3L, 07-07-14. (Engine Donor)
2015 Ram 05-20-15 (Daily Driver)
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Old 04-05-2010, 04:13 AM   #19
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Re: My Build Thread to Document and watch progress 72 C20

Stole the radiator and electric fan from the camry in the background, and Optima Yellow Top Battery from my 78 Bronco
Installed Inline Fuel filter, Holly Blue electric fuel pump, and pressure regulator



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1972 C20, 03-14-10 Build Thread
2000 Silverado 4.8L, 11-04-13 (Currently Parting)
1999 Silverado 5.3L, 07-07-14. (Engine Donor)
2015 Ram 05-20-15 (Daily Driver)

Last edited by dukkie; 04-05-2010 at 04:17 AM.
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Old 04-05-2010, 04:21 AM   #20
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Re: My Build Thread to Document and watch progress 72 C20

Turns Out the radiator stand wasnt high enough and the motor hit 270 because the water wasnt flowing, Threw an 37" tire under it and a 15" on top of that Plus 2 4x4 boards to bring the radiator up



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1999 Silverado 5.3L, 07-07-14. (Engine Donor)
2015 Ram 05-20-15 (Daily Driver)
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Old 04-05-2010, 04:44 AM   #21
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Re: My Build Thread to Document and watch progress 72 C20

Your truck still has the rare 72 only big block mounts on the frame. I'd sell them for some real coin and buy the correct small block mounts.
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Old 04-05-2010, 05:06 AM   #22
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Re: My Build Thread to Document and watch progress 72 C20

O yea and somewhere in there i did this too




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1999 Silverado 5.3L, 07-07-14. (Engine Donor)
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Old 04-05-2010, 05:12 AM   #23
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Re: My Build Thread to Document and watch progress 72 C20

Quote:
Originally Posted by Tx Firefighter View Post
Your truck still has the rare 72 only big block mounts on the frame. I'd sell them for some real coin and buy the correct small block mounts.
??? I think your mistaken, when i bought the rolling truck it already had new mounts installed on it for the 350 the PO planed to put into it.... photo 4 on post 1 you can only see a piece but one is black one is silver
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1972 C20, 03-14-10 Build Thread
2000 Silverado 4.8L, 11-04-13 (Currently Parting)
1999 Silverado 5.3L, 07-07-14. (Engine Donor)
2015 Ram 05-20-15 (Daily Driver)

Last edited by dukkie; 04-05-2010 at 05:13 AM.
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Old 04-05-2010, 05:13 AM   #24
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Re: My Build Thread to Document and watch progress 72 C20

The first set of pictures definitely show 72 only BB frame mounts in the underhood picture. The complete set is worth a couple of hundred dollars. The correct small block mounts are worth about 30 bucks or so.

The cups you have bolted to the engine are completely unlike what 72 small block trucks used. 67-72 small blocks used the rubber mount bolted directly to the engine block with one bolt per side holding it to the frame stand.
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Last edited by Tx Firefighter; 04-05-2010 at 05:15 AM.
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Old 04-05-2010, 05:44 AM   #25
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Re: My Build Thread to Document and watch progress 72 C20

I know nothing about this type of detail. Im new to the classic chevy department and learning as i go. (we are talking about motor mounts correct) tomorrow ill take a closer pic and you tell me what ya think





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1972 C20, 03-14-10 Build Thread
2000 Silverado 4.8L, 11-04-13 (Currently Parting)
1999 Silverado 5.3L, 07-07-14. (Engine Donor)
2015 Ram 05-20-15 (Daily Driver)

Last edited by dukkie; 04-05-2010 at 05:44 AM.
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