Author Topic: Diesel GOAT: The one I wish Toyota would have built  (Read 202223 times)

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H8PVMNT

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Looks like a boy.
“I would rather wake up in the middle of nowhere than in any city on earth.”
– Steve McQueen

"Except for maybe Seattle."  -H8PVMNT

"I plan to hit 300k in this truck"  :)bestgen4runner

 "I'm jealous of your shop. It has concrete and doesn't smell like pickles like the old shop  "  300K

cavey

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  to convert the engine  to a mechanical pump is possible using a L series pump  but there is more to it than you think because the L series engine is timed on No1 cylinder where as the 1KZ is timed on No4 cylinder ie 180 degrees out
Before I installed my 1-KZ  I made it run off a std 3L pump on the shed floor  but I had to remove the cam gear first and machine another keyway in it 180 degrees out  and refit to the engine useing the new keyway for it to run
I took my 3L pump to an diesel  shop to convert the 3L pump to 1-KZT  and they rebuilt everything  including a new pump body because after 400000 kms the body is worn from the vane lift pump in the mounting end of the body  they also installed a new distributive head ( the metal plate that the 4 injector check valves screw into ) for a 1-KZt  which has bigger holes in it for the greater amount of diesel required , the  bloke  who did the job was the first in australia to do this conversion   and he thought the 3L pump  might be up to it   so he rebuilt a std 3L pump for another customer  and stuck it on the Hartridge machine to set it up and screwed the pump to the max fuel delivery to see how much the pump produced and it still fell short of what was required for the 1-KZT 
 Also you want a boost compensator fitter to the pump to stop overfuelling off boost
own a 1989  LN106r diesel with a 1KZ-T 3 litre turbo diesel  bolted to a imported R151F gearbox with snorkel Rancho springs & shocks & Detroit lockers F & R & 11x 32  cooper sst ultimate dual transfer cases 130 litre fuel tank   full floating disc brake rear end

:)bestgen4runner

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  to convert the engine  to a mechanical pump is possible using a L series pump  but there is more to it than you think because the L series engine is timed on No1 cylinder where as the 1KZ is timed on No4 cylinder ie 180 degrees out
Before I installed my 1-KZ  I made it run off a std 3L pump on the shed floor  but I had to remove the cam gear first and machine another keyway in it 180 degrees out  and refit to the engine useing the new keyway for it to run
I took my 3L pump to an diesel  shop to convert the 3L pump to 1-KZT  and they rebuilt everything  including a new pump body because after 400000 kms the body is worn from the vane lift pump in the mounting end of the body  they also installed a new distributive head ( the metal plate that the 4 injector check valves screw into ) for a 1-KZt  which has bigger holes in it for the greater amount of diesel required , the  bloke  who did the job was the first in australia to do this conversion   and he thought the 3L pump  might be up to it   so he rebuilt a std 3L pump for another customer  and stuck it on the Hartridge machine to set it up and screwed the pump to the max fuel delivery to see how much the pump produced and it still fell short of what was required for the 1-KZT 
 Also you want a boost compensator fitter to the pump to stop overfuelling off boost
  :thud:
I am 1/5th of Perfect Fit
SqWADoosh [04:19 PM]: *sigh* I guess Chris is right and I just need to wait until I'm in a place where I have a tow rig and trailer before I get this caliber of truck
Mudder [08:28 PM]:   not try to be a jerk, but are you serious bestgen?
Prismo [06:11 PM]:   Done, time to relax or as Bestgen says....FREEDOM!
HogCanyonHopper [06:54 PM]:   I like my little rod. it gets the job done
H8PVMNT [03:30 PM]: I can go both ways.

cavey

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the toyota part number for a 1-KZT pump is 22100-67040
own a 1989  LN106r diesel with a 1KZ-T 3 litre turbo diesel  bolted to a imported R151F gearbox with snorkel Rancho springs & shocks & Detroit lockers F & R & 11x 32  cooper sst ultimate dual transfer cases 130 litre fuel tank   full floating disc brake rear end

helipilot77 [OP]

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Thanks cavey! Very valuable info. From the sources I have checked with the OEM pump is no longer available. Is it still available in Australia?
-1987 SR5 4runner, 1KZ-t turbo diesel with mech. pump
 & custom 3" S.S. dump pipe, R-151f transmission, marlin dual ultimate transfer cases w/ triple shifter, SAS, 35's https://board.marlincrawler.com/index.php?topic=98969.0
-1984 SR5 Tercel 4wd wagon bone stock - given to my nephew https://board.marlincrawler.com/index.php?topic=100547.0
-1:10 scale RC 4wd crawler w/yota axles, R2 2 speed enclosed dig tranny and 1st gen 4Runner body by BigBird
-My front axle service write-up http://board.marlincrawler.com/i

cavey

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no it was never available in australia only the 1-KZTE  the T is from europe    although i have seen them on ebay for $2500 
 I gave the diesel shop the part number and he found all the relevant parts for the 1-KZT , the distributive head came from singapore
own a 1989  LN106r diesel with a 1KZ-T 3 litre turbo diesel  bolted to a imported R151F gearbox with snorkel Rancho springs & shocks & Detroit lockers F & R & 11x 32  cooper sst ultimate dual transfer cases 130 litre fuel tank   full floating disc brake rear end

helipilot77 [OP]

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 While the truck had been apart waiting on the motor the driveshaft seized for some reason unknown to me. Zippo and I had tried heat and ratchet straps but it wouldn't budge so I set it aside for another day. With the snow we got this week getting my front driveshaft installed became a priority. So I made a press tool that wouldn't take no for an answer. Using a hole saw I drilled a 1-5/8" hole in both the aluminum plate and the steel plate then cut a notch out of both with the band saw. On the steel plate I drilled four 33/64" holes and tapped them for 9/16-18 threads and installed grade 8 bolts in them. with the aluminum I needed to make the edge rounded over to match the shape of the driveshaft. I used my router with a roundover bit and bearing which work beautifully. Once it was all done I installed it on the driveshaft and started to tighten the bolts it started pressing it open. I used pieces of 2" ABS pipe as spacers when I came to the end the bolt threads. 4WD is now working!
-1987 SR5 4runner, 1KZ-t turbo diesel with mech. pump
 & custom 3" S.S. dump pipe, R-151f transmission, marlin dual ultimate transfer cases w/ triple shifter, SAS, 35's https://board.marlincrawler.com/index.php?topic=98969.0
-1984 SR5 Tercel 4wd wagon bone stock - given to my nephew https://board.marlincrawler.com/index.php?topic=100547.0
-1:10 scale RC 4wd crawler w/yota axles, R2 2 speed enclosed dig tranny and 1st gen 4Runner body by BigBird
-My front axle service write-up http://board.marlincrawler.com/i

helipilot77 [OP]

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All of this pump trouble makes me want to do what "willymammoth" is doing and bolt a 4M40 pump on my motor.

-1987 SR5 4runner, 1KZ-t turbo diesel with mech. pump
 & custom 3" S.S. dump pipe, R-151f transmission, marlin dual ultimate transfer cases w/ triple shifter, SAS, 35's https://board.marlincrawler.com/index.php?topic=98969.0
-1984 SR5 Tercel 4wd wagon bone stock - given to my nephew https://board.marlincrawler.com/index.php?topic=100547.0
-1:10 scale RC 4wd crawler w/yota axles, R2 2 speed enclosed dig tranny and 1st gen 4Runner body by BigBird
-My front axle service write-up http://board.marlincrawler.com/i

redneckcustoms13

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Cant blame you one bit. A fully mechanical pump is the only way to have a diesel. This common rail and electronic controlled VP style pump is good for easy tuning but not for longevity and simplicity.
83 long bed 2wd sas, 3rz, w56, duals with 4.7 rear, 4.88 elock front, spartan rear, 39.5 iroks
01 double cab hunting truck
06 tacoma street truck

Rockcrawlintoy

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Do it
 :thumbs:
Resident Jeep Guy
2007 JKU All Stock
ECV 7-11

helipilot77 [OP]

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Do it
 :thumbs:
DONE! I pulled the trigger on that pump. It’s on it’s way over from England. I’m thinking new injectors would be a good idea as well.
-1987 SR5 4runner, 1KZ-t turbo diesel with mech. pump
 & custom 3" S.S. dump pipe, R-151f transmission, marlin dual ultimate transfer cases w/ triple shifter, SAS, 35's https://board.marlincrawler.com/index.php?topic=98969.0
-1984 SR5 Tercel 4wd wagon bone stock - given to my nephew https://board.marlincrawler.com/index.php?topic=100547.0
-1:10 scale RC 4wd crawler w/yota axles, R2 2 speed enclosed dig tranny and 1st gen 4Runner body by BigBird
-My front axle service write-up http://board.marlincrawler.com/i

helipilot77 [OP]

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New genuine Toyota injectors ordered.
-1987 SR5 4runner, 1KZ-t turbo diesel with mech. pump
 & custom 3" S.S. dump pipe, R-151f transmission, marlin dual ultimate transfer cases w/ triple shifter, SAS, 35's https://board.marlincrawler.com/index.php?topic=98969.0
-1984 SR5 Tercel 4wd wagon bone stock - given to my nephew https://board.marlincrawler.com/index.php?topic=100547.0
-1:10 scale RC 4wd crawler w/yota axles, R2 2 speed enclosed dig tranny and 1st gen 4Runner body by BigBird
-My front axle service write-up http://board.marlincrawler.com/i

helipilot77 [OP]

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New genuine Toyota injectors ordered.

Arrived today. And the pump is likely awaiting me at the post office. they left me a delivery notice today which they usually only do when it is an international shipment.
-1987 SR5 4runner, 1KZ-t turbo diesel with mech. pump
 & custom 3" S.S. dump pipe, R-151f transmission, marlin dual ultimate transfer cases w/ triple shifter, SAS, 35's https://board.marlincrawler.com/index.php?topic=98969.0
-1984 SR5 Tercel 4wd wagon bone stock - given to my nephew https://board.marlincrawler.com/index.php?topic=100547.0
-1:10 scale RC 4wd crawler w/yota axles, R2 2 speed enclosed dig tranny and 1st gen 4Runner body by BigBird
-My front axle service write-up http://board.marlincrawler.com/i

helipilot77 [OP]

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I mounted the pump in the vice last night getting it ready to get stripped of all it's nonsense.
-1987 SR5 4runner, 1KZ-t turbo diesel with mech. pump
 & custom 3" S.S. dump pipe, R-151f transmission, marlin dual ultimate transfer cases w/ triple shifter, SAS, 35's https://board.marlincrawler.com/index.php?topic=98969.0
-1984 SR5 Tercel 4wd wagon bone stock - given to my nephew https://board.marlincrawler.com/index.php?topic=100547.0
-1:10 scale RC 4wd crawler w/yota axles, R2 2 speed enclosed dig tranny and 1st gen 4Runner body by BigBird
-My front axle service write-up http://board.marlincrawler.com/i

redneckcustoms13

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Are you deleting the AFC or tuning it for more pre boost fuel?
83 long bed 2wd sas, 3rz, w56, duals with 4.7 rear, 4.88 elock front, spartan rear, 39.5 iroks
01 double cab hunting truck
06 tacoma street truck

helipilot77 [OP]

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Are you deleting the AFC or tuning it for more pre boost fuel?

If I can make the AFC function then I would like to retain it. I do use my truck to do search and rescue up in the mountains so we’ll see. I’m not entirely sure what benefits it provides. Could you share your knowledge and opinion?
« Last Edit: Mar 21, 2019, 01:49:43 PM by helipilot77 »
-1987 SR5 4runner, 1KZ-t turbo diesel with mech. pump
 & custom 3" S.S. dump pipe, R-151f transmission, marlin dual ultimate transfer cases w/ triple shifter, SAS, 35's https://board.marlincrawler.com/index.php?topic=98969.0
-1984 SR5 Tercel 4wd wagon bone stock - given to my nephew https://board.marlincrawler.com/index.php?topic=100547.0
-1:10 scale RC 4wd crawler w/yota axles, R2 2 speed enclosed dig tranny and 1st gen 4Runner body by BigBird
-My front axle service write-up http://board.marlincrawler.com/i

helipilot77 [OP]

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Am I correct in thinking that it enrichens the mixture until boost comes in then leans out as boost builds?
-1987 SR5 4runner, 1KZ-t turbo diesel with mech. pump
 & custom 3" S.S. dump pipe, R-151f transmission, marlin dual ultimate transfer cases w/ triple shifter, SAS, 35's https://board.marlincrawler.com/index.php?topic=98969.0
-1984 SR5 Tercel 4wd wagon bone stock - given to my nephew https://board.marlincrawler.com/index.php?topic=100547.0
-1:10 scale RC 4wd crawler w/yota axles, R2 2 speed enclosed dig tranny and 1st gen 4Runner body by BigBird
-My front axle service write-up http://board.marlincrawler.com/i

redneckcustoms13

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Aneroid fuel control is a fancy way of saying that it is a diaphragm with a pin that controls fueling rate. As more boost pressure becomes present the diaphragm will move the fuel pin allowing more fuel to flow. It will work just as it is as long as you look a boost line to it.

Benefits: clean fuel burn, minimal to no smoke, it basically throttles itself if you put the pedal to the floor.

Cons: it fuels itself not you. I snatch that crap and control fuel with my foot. The engine will make the same power with a properly tuned AFC as it will without. But without you get full fuel when you put the pedal down.

Full fuel can be good or bad. It will smoke until the turbo lights and cleans it up. But you can meter it with your foot. 6 in one half half a dozen in the other. AFC is a great thing for people that don't want to watch a pyrometer and boost guage.
« Last Edit: Mar 28, 2019, 06:35:16 AM by redneckcustoms13 »
83 long bed 2wd sas, 3rz, w56, duals with 4.7 rear, 4.88 elock front, spartan rear, 39.5 iroks
01 double cab hunting truck
06 tacoma street truck

:)bestgen4runner

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I recommend you hook it up.  :twocents:
I am 1/5th of Perfect Fit
SqWADoosh [04:19 PM]: *sigh* I guess Chris is right and I just need to wait until I'm in a place where I have a tow rig and trailer before I get this caliber of truck
Mudder [08:28 PM]:   not try to be a jerk, but are you serious bestgen?
Prismo [06:11 PM]:   Done, time to relax or as Bestgen says....FREEDOM!
HogCanyonHopper [06:54 PM]:   I like my little rod. it gets the job done
H8PVMNT [03:30 PM]: I can go both ways.

helipilot77 [OP]

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Yeah. I think i’ll hook it up since it is so easy. I can always unhook it and retune if I dont like how its functioning. I’m really going for improved driveability.
-1987 SR5 4runner, 1KZ-t turbo diesel with mech. pump
 & custom 3" S.S. dump pipe, R-151f transmission, marlin dual ultimate transfer cases w/ triple shifter, SAS, 35's https://board.marlincrawler.com/index.php?topic=98969.0
-1984 SR5 Tercel 4wd wagon bone stock - given to my nephew https://board.marlincrawler.com/index.php?topic=100547.0
-1:10 scale RC 4wd crawler w/yota axles, R2 2 speed enclosed dig tranny and 1st gen 4Runner body by BigBird
-My front axle service write-up http://board.marlincrawler.com/i

redneckcustoms13

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Hooking it up without tuning its going to be a pig. But if you give it a little more pre boost fuel it should pick up and stroll along nicely.
83 long bed 2wd sas, 3rz, w56, duals with 4.7 rear, 4.88 elock front, spartan rear, 39.5 iroks
01 double cab hunting truck
06 tacoma street truck

helipilot77 [OP]

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Do you Think following the timing guidelines for the 2L-t would be a useful starting point?
-1987 SR5 4runner, 1KZ-t turbo diesel with mech. pump
 & custom 3" S.S. dump pipe, R-151f transmission, marlin dual ultimate transfer cases w/ triple shifter, SAS, 35's https://board.marlincrawler.com/index.php?topic=98969.0
-1984 SR5 Tercel 4wd wagon bone stock - given to my nephew https://board.marlincrawler.com/index.php?topic=100547.0
-1:10 scale RC 4wd crawler w/yota axles, R2 2 speed enclosed dig tranny and 1st gen 4Runner body by BigBird
-My front axle service write-up http://board.marlincrawler.com/i

helipilot77 [OP]

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-1987 SR5 4runner, 1KZ-t turbo diesel with mech. pump
 & custom 3" S.S. dump pipe, R-151f transmission, marlin dual ultimate transfer cases w/ triple shifter, SAS, 35's https://board.marlincrawler.com/index.php?topic=98969.0
-1984 SR5 Tercel 4wd wagon bone stock - given to my nephew https://board.marlincrawler.com/index.php?topic=100547.0
-1:10 scale RC 4wd crawler w/yota axles, R2 2 speed enclosed dig tranny and 1st gen 4Runner body by BigBird
-My front axle service write-up http://board.marlincrawler.com/i

cavey

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 here is the timing  specs out of a genuine 1KZ-T engine manual
own a 1989  LN106r diesel with a 1KZ-T 3 litre turbo diesel  bolted to a imported R151F gearbox with snorkel Rancho springs & shocks & Detroit lockers F & R & 11x 32  cooper sst ultimate dual transfer cases 130 litre fuel tank   full floating disc brake rear end

cavey

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a closer view
own a 1989  LN106r diesel with a 1KZ-T 3 litre turbo diesel  bolted to a imported R151F gearbox with snorkel Rancho springs & shocks & Detroit lockers F & R & 11x 32  cooper sst ultimate dual transfer cases 130 litre fuel tank   full floating disc brake rear end

helipilot77 [OP]

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here is the timing  specs out of a genuine 1KZ-T engine manual

Thanks for those pages! I found the tool for about $80

-1987 SR5 4runner, 1KZ-t turbo diesel with mech. pump
 & custom 3" S.S. dump pipe, R-151f transmission, marlin dual ultimate transfer cases w/ triple shifter, SAS, 35's https://board.marlincrawler.com/index.php?topic=98969.0
-1984 SR5 Tercel 4wd wagon bone stock - given to my nephew https://board.marlincrawler.com/index.php?topic=100547.0
-1:10 scale RC 4wd crawler w/yota axles, R2 2 speed enclosed dig tranny and 1st gen 4Runner body by BigBird
-My front axle service write-up http://board.marlincrawler.com/i

helipilot77 [OP]

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Last night I spent some quality time with the mechanical pump. I got some of the nonsense removed. looking at the pictures again I see that Willy was able to remove the Throttle Position Sensor, so that will be coming off of mine too. I also realized that the idle adjustment screw has another location on the other side of the pump, so i removed the screw and installed it there which allowed me to remove the idle bracket that otherwise would stick out the front. Because I have air conditioning on mine I am going to try to retain the A/C idle up solenoid, as its operation is fairly straight forward as long as I have the physical room for it. I should have the room because the 1KZ-t manual pump that Toyota used also has one in that location that almost looks identical.
I will also be trying to retain the tach signal sensor since I have a Dakota Digital tach interface. I left the fuel return solenoid in place since it works fine as a plug and likely wont divert any fuel unless it was energized, which I don't intend to do. As for timing it seems that most people enbiggen the mounting slots with a die grinder so that they can rotate the pump further toward the engine to get the timing they need. I am planning to rotate the timing gear so that my pump sits more upright. If it fits I will use the support brace mount that came with this pump so that it is more stable. I will need to make a block off plate for the cold start.
« Last Edit: Mar 09, 2021, 12:33:36 PM by helipilot77 »
-1987 SR5 4runner, 1KZ-t turbo diesel with mech. pump
 & custom 3" S.S. dump pipe, R-151f transmission, marlin dual ultimate transfer cases w/ triple shifter, SAS, 35's https://board.marlincrawler.com/index.php?topic=98969.0
-1984 SR5 Tercel 4wd wagon bone stock - given to my nephew https://board.marlincrawler.com/index.php?topic=100547.0
-1:10 scale RC 4wd crawler w/yota axles, R2 2 speed enclosed dig tranny and 1st gen 4Runner body by BigBird
-My front axle service write-up http://board.marlincrawler.com/i

helipilot77 [OP]

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I got a little more time tonight to work on the pump. I removed the Throttle Position Sensor and made a block-off plate for the cold start mechanism. I think at this point it's ready to go.
« Last Edit: Mar 27, 2019, 09:43:03 PM by helipilot77 »
-1987 SR5 4runner, 1KZ-t turbo diesel with mech. pump
 & custom 3" S.S. dump pipe, R-151f transmission, marlin dual ultimate transfer cases w/ triple shifter, SAS, 35's https://board.marlincrawler.com/index.php?topic=98969.0
-1984 SR5 Tercel 4wd wagon bone stock - given to my nephew https://board.marlincrawler.com/index.php?topic=100547.0
-1:10 scale RC 4wd crawler w/yota axles, R2 2 speed enclosed dig tranny and 1st gen 4Runner body by BigBird
-My front axle service write-up http://board.marlincrawler.com/i

helipilot77 [OP]

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I found a real good article on pump tuning. I’m linking here to share and also to bookmark.

https://www.tillix.com.au/mechanical-diesel-engine-tuning/
-1987 SR5 4runner, 1KZ-t turbo diesel with mech. pump
 & custom 3" S.S. dump pipe, R-151f transmission, marlin dual ultimate transfer cases w/ triple shifter, SAS, 35's https://board.marlincrawler.com/index.php?topic=98969.0
-1984 SR5 Tercel 4wd wagon bone stock - given to my nephew https://board.marlincrawler.com/index.php?topic=100547.0
-1:10 scale RC 4wd crawler w/yota axles, R2 2 speed enclosed dig tranny and 1st gen 4Runner body by BigBird
-My front axle service write-up http://board.marlincrawler.com/i

helipilot77 [OP]

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Zippo helped me today change out the injectors for new ones. Wow that made a big difference! I can tell there is still room for improvement but I think the mechanical pump will take care of that. After looking at the injectors it seemed clear that most of the trouble was coming from cylinder #2.
-1987 SR5 4runner, 1KZ-t turbo diesel with mech. pump
 & custom 3" S.S. dump pipe, R-151f transmission, marlin dual ultimate transfer cases w/ triple shifter, SAS, 35's https://board.marlincrawler.com/index.php?topic=98969.0
-1984 SR5 Tercel 4wd wagon bone stock - given to my nephew https://board.marlincrawler.com/index.php?topic=100547.0
-1:10 scale RC 4wd crawler w/yota axles, R2 2 speed enclosed dig tranny and 1st gen 4Runner body by BigBird
-My front axle service write-up http://board.marlincrawler.com/i

 
 
 
 
 

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