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Old April 9th, 2015, 07:09 PM
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TJ's GMC TJ's GMC is offline
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Join Date: Mar 2015
Location: Cave Junction, Oregon
Truck: 1964 GMC 1500 LWB Wideside 305E V6.
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Default My 66 C10 Project "Two Tone."

Well this has been a 4 year restoration so far and I haven't really "started" the restoration until late last year. Back in January 2012 I got the truck running after it had been sitting in our field for some 5 years. And have been doing bits and pieces on it since. Little bit o history on the truck. This is a 66 C10 short bed stepside that came with the 292/sm420 combo. Nothing special just your basic off the line truck. Original bed was replaced with a flatbed and the truck was used as an off road wood hauler. Truck was born in the Fremont, CA plant in December of 65 I believe. Anyway...so the guy who owned it got older and couldn't do the wood hauling anymore so he left the truck waaaay down in the canyon where he did his work. Some 10 years later a friend of my Dad's found it and got the truck for pretty darn cheap. Next thing I know I see him pulling into our driveway with this truck on his trailer...I was 7 at the time I think. lol So the truck pretty much sat because we didn't have use for it and Dad didn't have the money to restore it. Fast forward to when I turned 13 and winter of that next year I tell my dad I wanna see if I can get it to run. So we spend a Saturday morning working on it and got the thing running with minimal work. And that was the day I learned a clutch. Couple weeks later we rebuilt the carb, threw a new set of plugs in, new cap and rotor and points, and changed the oil. Then I found good use for it and so we used it. So I wasn't satisfied with the power the 292 in there was making so, like everyone else, I desired a SBC or a BBC like my dad had/has in his 77 c20. Almost bought a 350 twice but the good Lord showed me the light and I found a book called "The Inliner's Power Manual" that showed me all the things that could be done to that 292 and right then and there I bought the book and desired to have something different. So at age 14 now and working 6 odd jobs and getting discouraged at the price of this stuff for the inline I work on getting some stuff that would provide immediate results. 4 barrel carb and intake, headers, hei. 1 whole year of work and I had it all in my hands. 600 cfm edelbrock 4 barrel, clifford intake and clifford headers, speedmaster HEI. Painted them up nicely and threw them on and with a small loan from Dad...went and got an exhaust system put on. Temporary with flowmaster 40 series mufflers. And the truck hasn't had any motor work done since. When I did those mods I was surprised with how those helped in themselves and really desired to do more. My goal was to have something better than a dang 350 like everyone and there brother has so I stuck to it...and for almost 2 years I saved and saved while spending a little here and there on the truck to keep motivated until...fast forward to late last year I got another truck. 64 C20 that had a 292 and I pulled the engine out of that and sent it into the machinist to have my dream come true finally. So currently I have two 292's. The one in my 66 and the hopped up one out of my 64, so don't get confused on which one I'm talking about. lol The one in my 66 is bone stock with the mods I mentioned earlier. The 64's 292 or (hotrod 6) as I call it has been mildly to majorly modified. Here's an overview:

Head work:
Lump Ports
1.94 intake valves
1.60 exhaust valves
BBC 1.75 ratio roller rockers.
.030 shaved off the head
magnafluxed and check for cracks.
z/28 valve springs.

Block work:
.040 Ross Racing Aluminum 18 cc dish pistons.
Stock rods balanced and refitted with ARP studs and bolts.
Crankshaft balanced and ground.
Comp Cam 268H 219 @ .050 .486 lift on a 110 lobe center.
Aluminum timing gears.
Smith brother's pushrods.
Clevite Bearings.
Melling stock type oil pump.

The rest you can see in the pictures. This engine will be mated to a TKO600 Tremic 5 speed. Expect power output around 310 hp and 340 ft. pounds of torque. I'll keep updating this build as I go. For now here's some before to now pictures. Pictures in this post are of the truck about 3 years ago. The engine picture is about 2 years ago.
Attached Images
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File Type: jpg 007.JPG (2.63 MB, Multiple views, 11 clicks)
File Type: jpg 021.JPG (1.83 MB, Multiple views, 25 clicks)
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"Excuse the rust I use my truck"
1964 GMC 1500 305E/sm420 4 barrel intake mod and dual exhaust.
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1964 Chevy C20 292/SM420
1966 Chevy C10 292 hotrod 6/TKO600


My youtube channel aka Military Chevy:
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