Pre 84 Trucks 1st gen pickups

I think i have a problem

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Old 10-05-2012, 03:47 PM
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I think i have a problem

Every time i start my truck it runs like crapola it sounds like it runs on 2 or 3 cylinders then after a minute or so it starts to run fine. It will die if i dont give it some gas when its running badly. I also noticed oil or something spraying out of the exhaust. If i hold a rag up to the tail pipe it will get a bunch of black spots on it. I am pretty new at working on cars and i hope its nothing major. I did a compression test and the first 2 cylinders were 110in and the last 2part were 90psi. I have a feeling you guys are going to say i have to rebuild it but I thought I would get some input anyways. Its a 20r and i have no idea how many miles are on it damm 5that digit odometer. Thanks
Old 10-05-2012, 03:49 PM
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those are real low compression numbers
Old 10-05-2012, 04:48 PM
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Sounds like your oil rings are cracked or failing, and compression rings are gone. probably a couple hundred dollar job considering the gaskets and if you find any other trouble.
Old 10-05-2012, 05:27 PM
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Rebuild
Old 10-05-2012, 05:38 PM
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Well I guess I better look for a 22r the so i can have a little bit more power.
Old 10-06-2012, 04:53 PM
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perfect for you to learn "how to" .. think positive !!

pick yourself up a "builder" engine .. do lots of reading .. (we'll help ya here) , and build yourself an engine . You should be able to find a good builder for VERY cheep or free .. I myself tossed 4 away this year cuz after hanging onto them for years , I couldnt even give them away



.
Old 10-06-2012, 05:27 PM
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I think that you should install a 6BT twin turbo cummins w/a power output of 1000+ HP. Don't worry your toyota drivertran will hold up to it.
Old 10-07-2012, 07:20 AM
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I have been looking for a engine to build but they cost around $300it around here
Old 10-07-2012, 09:42 AM
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How much do you think i should pay for a 22r out of a truck in the junk yard also what years can i use un my truck. Its a 8020r with a 4 speed.
Old 10-07-2012, 10:00 AM
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I found a 86 22r and was wondering if i could use that year for my truck
Old 10-07-2012, 10:10 AM
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What year is your truck? It will bolt right in place, but the wiring and stuff could get difficult if it's a different year truck.
Old 10-07-2012, 10:26 AM
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Its a 1980
Old 10-07-2012, 10:51 AM
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You will need to get a computer for the engine and there will be a ˟˟˟˟load of wiring to do at the very least.
Old 10-07-2012, 12:16 PM
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Originally Posted by Logan81Pickup
You will need to get a computer for the engine and there will be a ˟˟˟˟load of wiring to do at the very least.
its really not that bad, compared to say a 22re swap. a 22r should be fairly simple.
Old 10-07-2012, 12:28 PM
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But if it's from a 1986 toyota then it's probably a 22RE.
Old 10-07-2012, 02:08 PM
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Originally Posted by Logan81Pickup
But if it's from a 1986 toyota then it's probably a 22RE.
If its a 4Runner, yes. All '86+ 4Runners are EFI. (U.S. market)
Carbs were in 4wd truck until '88 (last year) and '92 in 2wds.(U.S. market)

IMO, the OP should swap in a 22RE. more power, better mpg and would be killer in a 1st gen 4wd.
Old 10-07-2012, 02:50 PM
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I would love to do a 22re swap but i probably dont have the skill for that. I need to get a 22r and rebuild it so i can learn how to work on my truck. I plan keeping it for a while.
Old 10-07-2012, 02:55 PM
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Originally Posted by jastamjas
I would love to do a 22re swap but i probably dont have the skill for that. I need to get a 22r and rebuild it so i can learn how to work on my truck. I plan keeping it for a while.
Find a pre-85.5 22R then.
Old 10-07-2012, 09:01 PM
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and 86 22r will work just fine
Old 10-07-2012, 09:02 PM
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Originally Posted by Logan81Pickup
But if it's from a 1986 toyota then it's probably a 22RE.
they made plenty of post 84 22r's


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