Author Topic: 1986 Chevy c20  (Read 33002 times)

Offline Captkaos

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Re: 1986 Chevy c20
« Reply #15 on: January 01, 2013, 09:55:15 pm »
This is the required components to make a TBI work:
ECM with Prom
Wiring Harness
87up Distributor
Throttle Body Injector unit with correct injectors
Intake manifold for TBI, (makes for easier installation)
Coolant Sensor
ESC Module
MAP sensor
EGR Solenoid and EGR Valve (emission legal)
Oxygen sensor (Threads into exhaust pipe or manifold)
Knock Sensor)
Air Cleaner
high pressure (18-20 PSI) fuel pump (stock for a 87 will drop in any pre 87 tank)  I recommend intank pumps.
ALDL connector
check engine light (any 12V bulb from electrical store)
fuel pump relay, battery power, and fuel pump fuse in the engine compartment.
12V wire to the starter hot only when cranking
Ground wire to the back of the motor
A 16 gauge (20 amp fused) wire directly from the battery positive terminal or the junction block on the firewall
16 gauge (15 amp fused) wire from the harness to electric fuel pump
16 gauge wire from your ignition switch to the ECM (needs to be at least 5amp fused)
If you have a junction block this makes things cleaner, but you can run it in the fuse block also.

Offline Trimmy

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Re: 1986 Chevy c20
« Reply #16 on: January 03, 2013, 07:38:59 pm »
Well I got some more done today. I started on the wiring harness its almost done now. I stopped working on it after i ran out of time which was about 3-3.5hrs into it. I have pretty much the entire harness figured, I also needed to clarify a few things on it. Here eare some pics of what I have now.









Offline Trimmy

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Re: 1986 Chevy c20
« Reply #17 on: January 13, 2013, 08:49:51 am »
Well life has struck!!! This already slow build just got slower!!! My fiance and I just bought a house and have been in it for about 4 months now. I bought a nice 60 gallon compressor and didnt have a 220v hookup in my garage and a small 60 amp service from when the house was built in 67 so I bought everything to have a 100amp service put in.  My dads buddy is an electrician so I had him change everything out and we had a lot of stuff that was doubled and trippled up in our panel from the previous owners (house was a repo) so we ran into more of an expense then was thought there. Later that night my water heater tank decided to crack so I had to buy a new water heater!!! Luckily my fiance father is vice president of a construction company and my father is a foreman in construction so we had the knowledge and know how to do the work ourselves. Then I had to buy the stuff to change my timing belt in my turbo diesel jetta so I have spent  money that was unexpected...

Offline zieg85

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Re: 1986 Chevy c20
« Reply #18 on: January 13, 2013, 09:51:01 am »
When it rains it pours however the wait will be worth it.  I know how you feel, just keep your health, you don't want a set back, been there done that.
Carl 
1985 C20 Scottsdale 7.4L 4 speed 3.21
1986 C10 under construction
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Offline slammed79

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Re: 1986 Chevy c20
« Reply #19 on: January 14, 2013, 08:25:42 am »
I know all about the raining/pouring debacle. Its all just time man. Keep plugging at it and you'll get there!
74 C10 Long bed 350/SM465 Lowered on 20's

Praise the lowered

Offline Trimmy

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Re: 1986 Chevy c20
« Reply #20 on: January 19, 2013, 03:20:53 pm »
Well I have some good news and bad news. Good news, I just picked up a set of 906 vortec heads with new valve covers for $80. They are in great shape and hopefully will be a cheap rebuild with a little work on the exhaust side. I plan on running summits SUM-k1102 cam in this truck. Will I need new valve springs or will the stock vortec spring work? specs are

Duration at 050 inch Lift:204 int./214 exh.
Advertised Duration:278 int./288 exh
Valve Lift with Factory Rocker Arm Ratio:0.421 int./0.444 exh
Lobe Separation (degrees):112



Bad news I tore into my block and the end play was way out, so bad the crank got into the block a very very small amount so I beleive I will need a new crank. 







Offline Trimmy

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Re: 1986 Chevy c20
« Reply #21 on: January 19, 2013, 07:33:21 pm »
Well more good news. I just sold the 454 and th400 in my truck. I have to pull it all tomorrow and Monday and the guy will be here to pick up Monday. That gives me the money to get my machine work done. I also found a nice 350 010 short block that was bored 30 over, has forged pistons, crank was cleaned up and has everything but heads. I might go look at that tomorrow and see if I can pick that up for less then the $700 he wants.

Offline Trimmy

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Re: 1986 Chevy c20
« Reply #22 on: January 21, 2013, 03:31:47 pm »
Well its all finally happening. The 454 is out of the Truck and Ill be getting the rest of the money for it tonight. Ill be dropping my block, crank and pistons/rods off at the machine shop tomorrow and hopefully be able to get the heads there the first of the month.

This is what she looks like now. I have some cleaning and painting to do. I have some wires I need to get rid of and need to figure out where I'm running my the TBI harness through the firewall and where some of the stuff will be mounted inside the engine bay.








Offline Trimmy

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Re: 1986 Chevy c20
« Reply #23 on: January 21, 2013, 03:39:37 pm »
Im still on the fence about keeping the a/c or getting rid of it. It would be really nice to have it in the summer time but at the same time this wont be a truck I drive everyday and if I get rid of the a/c it will look a lot better under the hood.

Offline Trimmy

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Re: 1986 Chevy c20
« Reply #24 on: January 27, 2013, 05:00:24 pm »
Well I pulled the front clip off of my truck today. I have a lot of cleaning and a few small spots of rust to cut out and burn back in on the inner fenders. I am planning on keeping this as cheap as possible so everything I can reuse, rebuild or repair will be reused, rebuilt or repaired. I do not plan on this truck being a show piece I just want something that is nice looking and nice to drive. All of the factory paint is still on the frame rails and no rust has formed so the plan is to go to Tractor supply and buy some black implement paint then clean and paint the frame rails. Here are some pictures of the progress as of today.







Offline thirsty

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Re: 1986 Chevy c20
« Reply #25 on: January 27, 2013, 07:40:58 pm »
Great start Trimmy. Truck looks like it is solid where it counts.
Must be a great feeling for you to have a new house with a garage and a project in it too.
Real trucks are built, not bought Build thread

Give me a long enough lever and a place to stand, and I shall move the earth or break this bolt...Whatever, just hold my beer!

Offline Trimmy

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Re: 1986 Chevy c20
« Reply #26 on: January 31, 2013, 07:42:54 pm »
I have a few more things to add. I got the entire front end pulled apart, prepped and some of it in primer...
















Offline Trimmy

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Re: 1986 Chevy c20
« Reply #27 on: February 02, 2013, 06:33:00 pm »
I had about 9hrs into the truck today, got a lot of little stuff done including my passenger cab corner and rocker












Offline bake74

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Re: 1986 Chevy c20
« Reply #28 on: February 02, 2013, 06:47:27 pm »
      Jumping right in there, love it.  As one of my favorites would say "Get-r-done".
#1: The easiest and most obvious solution to any problem is 99% of the time correct.
#2: There is no such thing as impossible, it just takes longer.
  74 k10, 77k10    Tom

Offline Trimmy

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Re: 1986 Chevy c20
« Reply #29 on: February 03, 2013, 07:52:08 am »
I'm trying. I really hate how these aftermarket panels fit. I've had to do a lot of fitting and cutting.