1986 Trooper II

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1986 Trooper II

Postby MarkB.NV » Tue Feb 14, 2017 2:24 am

Ok, I don't need one per se, well -another one. But there's an obligation to cover for those Isuzu lovers without any Troopers, and to selfishly grab a few before Dave snags 'em all. So ... working the deal for the '86 2 door.

From the Portlandia-Vancouver craigslist and soon to be next project.
172K miles, serious rod knock, interior looks fair. A few rust spots around windshield. Rack doesn't come with the truck, but I still have a full length Surco from years back.

Plan is to rebuild the 2.6 which is sitting on the stand in the garage.
Weber, Jerry cam, maybe a header and decent exhaust.


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Last edited by MarkB.NV on Wed Feb 15, 2017 3:29 am, edited 1 time in total.
MarkB.NV,
Tan 1986 Trooper, 2.6 / 5 speed, 173K mi.
http://forum.planetisuzoo.com/viewtopic.php?f=15&t=101538

White 1984 Trooper, 1.9 / 4 speed, 89K mi.
http://forum.planetisuzoo.com/viewtopic.php?f=15&t=85764

Sold ... Silver 1990 Trooper, 4 cyl, 5 speed
Sold ... Blue 1989 Trooper, 4 cyl, 5 speed
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Re: 1986 Trooper II

Postby Lifelikeworm » Tue Feb 14, 2017 6:40 pm

That is very nice, Good luck with the rebuild.
Is the mat is the back original or aftermarket?
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Re: 1986 Trooper II

Postby itsmehb » Tue Feb 14, 2017 9:00 pm

Subscribed, seeing how you worked magic on previous builds, this should be a good one. That mat looks like the original that I've seen before in these models. It has the 2.3 so we can learn along with you on the up grade to the 2.6. Will you be doing the Weber or are you going to try the itec.
1990 Amigo, 2.3 5 speed (sold)
1991 Pick up (long gone)
2000 Amigo, 2.2 5 speed(sold)
1985 Trooper 1.9 4 speed (sent back to KS)
1989 Trooper RS 2.6 5 spd. Red

We get too soon old and too late smart!
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Re: 1986 Trooper II

Postby MarkB.NV » Wed Feb 15, 2017 12:11 am

Yep original Isuzu floor liner in the cargo bay. Back seat is original and in good condition, likewise vinyl flooring front, rear and cargo area in good shape. Front seats are later Gen 1 seats. Headliner is good, body is good, and tires decent.

With the rod knock in the 2.3L, I'm not sure about the block and crank. Since I live in Kalifornia ... smog-man frowns on any mods that don't look factory - so I will have to swap in the 2.6 motor and smog it with the OEM Hitachi carburetor and stock exhaust. The 2.6 looks for all intents & purpose exactly like the 2.3, so the plan is to disassemble the motor and set about preserving/cleaning/repainting all of the stock pieces. Then put those on the 2.6 and get it back on the road. Once she gets smogged (tail pipe and visual)then I'll worry about the Weber or header (CA approved of course).

I'm not opposed to the ITEC, the '89 and '90 Troopers I had were fine once properly sorted and I think a well tuned injection system generally beats carburetor for gas mileage. As a rule, carbs get finicky with dirty gas. And the [email protected] version of gasoline sold today tends to break down pretty fast -creating floaty boogers that jam up the jets and small passages. Vacuum pull from the running engine is the only thing that draws fuel through a carburetor. Compare that to fuel injection where 30-45 PSI from the fuel pump is pushing the gas through. I think this is less a problem if you have a very clean fuel system and drive the truck every day. Fuel doesn't sit around long enough to go bad. YMMV. The 2.6L I have is an ITEC and I would just need the MAF and ECM and harness, a few other tidbits. Very doable -but not kosher by the CA smog-man. One would have to go through the conversion process and get it inspected and all the paper-work and gubbmint red tape.
MarkB.NV,
Tan 1986 Trooper, 2.6 / 5 speed, 173K mi.
http://forum.planetisuzoo.com/viewtopic.php?f=15&t=101538

White 1984 Trooper, 1.9 / 4 speed, 89K mi.
http://forum.planetisuzoo.com/viewtopic.php?f=15&t=85764

Sold ... Silver 1990 Trooper, 4 cyl, 5 speed
Sold ... Blue 1989 Trooper, 4 cyl, 5 speed
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Re: 1986 Trooper II

Postby johnny618 » Wed Feb 15, 2017 10:09 pm

its good to see an original mat that's still in a good condition. anyway, good luck with your build.
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Re: 1986 Trooper II

Postby DSUZU » Wed Feb 15, 2017 10:22 pm

I'll be watching this one too. Great score. IIRC, wouldn't a newer engine, with newer emissions equipment be acceptable to "the man"? That was the case when we had nazi emissions in place here. Dennis
1991 LS Trooper 2.8 V6 5 speed conversion (Sold)
1989 LS Spacecab 2.6 5 speed 4x4 manual hubs, Rodeo torsion bars, extended shackles, 2" lift, K&N airfilter (drop in), dump bed conversion, burgundy interior change, warn brush bar.
Previously owned: 1987 Trooper II LS, 1989 Trooper (parts only), 1994 Trooper 3.2 Auto, 1997 Rodeo 2.6 5 speed, 1993 shortbed pickup 2.3 (project - sold) 1992 Rodeo 4x4 LS (parts car, devoured by Spacecab needs) plus some 70 plus other non Isuzu vehicles over the years.

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Re: 1986 Trooper II

Postby MarkB.NV » Thu Feb 16, 2017 1:45 am

More Trooper porn.

Finally managed to get the truck back home and unloaded from the tow dolly, and got to spend a few minutes crawling over her to check things out.
First -I've been driving the very low mileage '84 which is sparkly clean. So in comparison this '86 is a filthy, stinky, poopoo truck. Dirty and seems to have set for the last 1-3 years. Sad. But things are mostly there in mostly working and mostly in fair / good shape. Especially for a 30 year old truck. Very little rust, just few specs around the windshield frame. No rust on frame or other body panels, save for a touch under the rear door sill strip. Just a few dings in the body, with no obvious signs of bondo or crinkled sheet metal. Some weird paint damage under the fuel filler neck. Probably not much to be done but repait the body.

Exhaust is decent, most pieces look to be 3-4 years old. Tires have good tread but are at least 5-7 years old (need to check date codes).


... on to the Trooper pics!

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Looks like just another truck, but clearly riding on non OEM leafs and torsion springs. ???
Dakar leafs, which closely resemble the Old Man Emu???
EDIT... Looking carefully I can actually make out Old Man Emu logo on the rear leaf springs. Also rear shackles have grease zerks on the bolts. :)

And red torsions bar springs up front which remind me of the pieces sold by Indy.
Found not low-brow monroe or pepboys shocks ... but Bilsteins !!!
The shocks might need new mounting bushing ... if they are that old, not sure how road-ready they may be.

Rims are stock OEMs but the tires are 30x9.5 R15 MTs.

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So she's been sitting and waiting for me for a few years (interior wreaks of mold/mildew),
but she was clearly loved and cared for, at least for most of her life.
Last edited by MarkB.NV on Fri Feb 17, 2017 3:32 am, edited 1 time in total.
MarkB.NV,
Tan 1986 Trooper, 2.6 / 5 speed, 173K mi.
http://forum.planetisuzoo.com/viewtopic.php?f=15&t=101538

White 1984 Trooper, 1.9 / 4 speed, 89K mi.
http://forum.planetisuzoo.com/viewtopic.php?f=15&t=85764

Sold ... Silver 1990 Trooper, 4 cyl, 5 speed
Sold ... Blue 1989 Trooper, 4 cyl, 5 speed
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Re: 1986 Trooper II

Postby paulevans76 » Thu Feb 16, 2017 10:46 am

Sweet, the Dakar leaves are definitely Old Man Emu. Someone already sorted the suspension out for you :D
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Re: 1986 Trooper II

Postby heinrick » Fri Feb 17, 2017 2:14 am

Looks clean and slick! Like looking original fog lights, too!
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Re: 1986 Trooper II

Postby SAS » Sun Feb 19, 2017 2:09 pm

Nice find, glad you are going to bring it back to life.
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Re: 1986 Trooper II

Postby MarkB.NV » Sun Feb 19, 2017 9:24 pm

Thanks!

I thought the aux lights were disposable harborfright cheapos but they are KC Daylighters. Need yellow covers to take these back to former glory. :)

Will need to hit up Jerry for new heater core and OEM antenna, and a dozen other dealer pieces.
Also gotta send the stock 2.6 cam to him for the Jerry cam regrind.

Front seats are the later Gen-1 dark tweed. These are in serviceable shape, but have mold/mildew on them.
I think I will go to the j-yard for another set of Rodeo front seats. Those can be found in matching color and with less wear.
MarkB.NV,
Tan 1986 Trooper, 2.6 / 5 speed, 173K mi.
http://forum.planetisuzoo.com/viewtopic.php?f=15&t=101538

White 1984 Trooper, 1.9 / 4 speed, 89K mi.
http://forum.planetisuzoo.com/viewtopic.php?f=15&t=85764

Sold ... Silver 1990 Trooper, 4 cyl, 5 speed
Sold ... Blue 1989 Trooper, 4 cyl, 5 speed
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Re: 1986 Trooper II

Postby itsmehb » Mon Feb 20, 2017 9:13 am

Mark,
I found a set of rodeo seats for my 89. They didn't take much mods to make them fit. Only problem is they don't break over to allow access to the rear seat. In my case that was not important as I removed the rear seat so don't need that access. Also there electric so that's nice...Harry
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1990 Amigo, 2.3 5 speed (sold)
1991 Pick up (long gone)
2000 Amigo, 2.2 5 speed(sold)
1985 Trooper 1.9 4 speed (sent back to KS)
1989 Trooper RS 2.6 5 spd. Red

We get too soon old and too late smart!
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Re: 1986 Trooper II

Postby MarkB.NV » Mon Feb 20, 2017 1:32 pm

Gotta tell you, Harry, I drew a lot of inspiration from others here on the Planet.
* Eric Jett has his pimped out '86 with the J5 motor.
* Andy (usb_lover) with is blue '84 restoration/
* And seeing how well your red wagon(s) turned out convinced me I really did want to chase the 2-door Trooper dream.

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MarkB.NV,
Tan 1986 Trooper, 2.6 / 5 speed, 173K mi.
http://forum.planetisuzoo.com/viewtopic.php?f=15&t=101538

White 1984 Trooper, 1.9 / 4 speed, 89K mi.
http://forum.planetisuzoo.com/viewtopic.php?f=15&t=85764

Sold ... Silver 1990 Trooper, 4 cyl, 5 speed
Sold ... Blue 1989 Trooper, 4 cyl, 5 speed
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Re: 1986 Trooper II

Postby aa79912 » Mon Feb 20, 2017 10:55 pm

guys there all dolls congrats..i am really diggin into those white rims and tires on the blueish/last 2 door anyone know what size rim tire combo that is?
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Re: 1986 Trooper II

Postby MarkB.NV » Tue Feb 21, 2017 1:55 am

aa79912 wrote:guys there all dolls congrats..i am really diggin into those white rims and tires on the blueish/last 2 door anyone know what size rim tire combo that is?



I think Andy said he was running 7.50 or 7.00x16 ... which measure about 32 inches overall. Had some rubbing and he went back to a 31 - 31.5 to get rid of the rub. He later sold the truck and got another Isuzu project.
MarkB.NV,
Tan 1986 Trooper, 2.6 / 5 speed, 173K mi.
http://forum.planetisuzoo.com/viewtopic.php?f=15&t=101538

White 1984 Trooper, 1.9 / 4 speed, 89K mi.
http://forum.planetisuzoo.com/viewtopic.php?f=15&t=85764

Sold ... Silver 1990 Trooper, 4 cyl, 5 speed
Sold ... Blue 1989 Trooper, 4 cyl, 5 speed
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Re: 1986 Trooper II

Postby MarkB.NV » Sat Mar 04, 2017 10:13 pm

I had a 2.6L motor from my '90 Trooper that spendt the last 2-3 years collecting dust in the corner of the garage. I had purchased it as a rebuilt from hiperformer, back in 2010, and it had rolled about 48,000 miles before I swapped it out. It was running ok, but had a few niggling issues, low oil pressure, a few oil leaks, and cyl 2 sparkplug threads were boogered up when the daughter had been using it and had taken it to a shop for head gasket issue -boneheaded mech had snafued the threads when he did a compression check.

Apparently its is very difficult to correctly install those dammed sparking plugs. :evil: :roll:

Got the engine mounted on the stand and began the tear down. Wanted the '86 to be a reliable ride and not have to worry about motor issues while out exploring the Sierras, and the 2.6 with Jerry cam should be much better than the 2.3 with 173k miles and a rod knock.

So ...

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Pan off, removing rods & pistons ... pistons stamped 1.00 -2nd oversize, cannot go bigger, so hoping bores are still good.
Used heat shrink tubing to cover rod bolts and protect the rod journals, wooden handle of hammer to gently tap her lightly.

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Cross hatch still visible even on latteral sides (subject to sideways slap) vs/ longintudinal sides ...

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No-2 was the worst for wear, skirt is a bit scuffed and bore has scratch ...

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Bottom end ...

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Removing mains ...

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Crank out ...

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On the bench, time to measure rods & mains. Both of these had undersize bearings (0.25mm) ...
HF mic said these were still in the middle of the service range. Ok, new 0.25mm undersize bearings it is.
Thrust bearings were still in pretty good shape, and I found no scuffing on the crank surface there.

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Last edited by MarkB.NV on Sun Mar 05, 2017 2:14 am, edited 5 times in total.
MarkB.NV,
Tan 1986 Trooper, 2.6 / 5 speed, 173K mi.
http://forum.planetisuzoo.com/viewtopic.php?f=15&t=101538

White 1984 Trooper, 1.9 / 4 speed, 89K mi.
http://forum.planetisuzoo.com/viewtopic.php?f=15&t=85764

Sold ... Silver 1990 Trooper, 4 cyl, 5 speed
Sold ... Blue 1989 Trooper, 4 cyl, 5 speed
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Re: 1986 Trooper II

Postby MarkB.NV » Sat Mar 04, 2017 10:21 pm

I could get by with these pistons and most likely just re-ring it.

For that matter, as a farmboy, I admit to having reused both pistons/rings and even bearings that were somewhat more worn than these. But that was on the Massey or International, not my daily driver or mild expedition platform. Limping the tractor back from the north 40 was rarely an issue. Limping your daily driver home with a rod knock or otherwise puking oil and coolant is less fun.

Fedex man dropped off the new radiator, and gasket sets today.

Still need to order the bearings, pistons/rings, and t-belt, water pump, hoses and etc etc etc.

Cannot find my cyl hone, so need to add that to the list too.

Reminds me of an old joke:
"There are two kinds of fools, those that loan tools ... and those that return 'em." :)

On closer inspection, the crank overall looks good and I'l probably just do the DIY polishing to cleanup the journals.
...but, the front main seal left a nice valley where she cut into the sealing surface.

My friend Jerry has the seal savers though, so add that to the list. Need a few JL stickers for this beast anyways. :)

Image


Rest of the garage is borderline chaos, but the OCD requires at least some definitive structure so ... zip lock baggies, 3x5 cards, and sharpie. 8)

Image
MarkB.NV,
Tan 1986 Trooper, 2.6 / 5 speed, 173K mi.
http://forum.planetisuzoo.com/viewtopic.php?f=15&t=101538

White 1984 Trooper, 1.9 / 4 speed, 89K mi.
http://forum.planetisuzoo.com/viewtopic.php?f=15&t=85764

Sold ... Silver 1990 Trooper, 4 cyl, 5 speed
Sold ... Blue 1989 Trooper, 4 cyl, 5 speed
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Re: 1986 Trooper II

Postby itsmehb » Tue Mar 21, 2017 8:16 am

When I replaced the cracked seal retainer on my 89 I noticed the same mark on the journal from the seal. Actually was considering buying a sleeve, but decided against it and just put in a new oem seal. It has developed a drip about the size of a nickel after a run. It's not likely I will do anything more there unless I have to go back in for another reason. Don't know what the general opinion is of these sleeves, but they must work.
1990 Amigo, 2.3 5 speed (sold)
1991 Pick up (long gone)
2000 Amigo, 2.2 5 speed(sold)
1985 Trooper 1.9 4 speed (sent back to KS)
1989 Trooper RS 2.6 5 spd. Red

We get too soon old and too late smart!
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Re: 1986 Trooper II

Postby chuffer » Sat Mar 25, 2017 1:34 am

Nice looking rig.

The top of that piston looks different than any i have seen so far. What year / model is that out of?

On the speedi sleeve on the front of the crank I had a heck of a time removing the little ring that is supposed to be broken off after install. In retrospect I wondered if I coulda just left it in place...

Ziplocks and sharpies make the job so much easier. Never tried index cards...
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Re: 1986 Trooper II

Postby DSUZU » Sat Mar 25, 2017 7:37 am

(for Chris) Those are the '93 and up pistons used with the "heart shaped" combustion chambers and the round throttle body. Same package I plan to put in my truck. Design was for better emissions control.
(for Mark). As always, it will be enjoyable watching this build. You do it right, documentation and all. Dennis
1991 LS Trooper 2.8 V6 5 speed conversion (Sold)
1989 LS Spacecab 2.6 5 speed 4x4 manual hubs, Rodeo torsion bars, extended shackles, 2" lift, K&N airfilter (drop in), dump bed conversion, burgundy interior change, warn brush bar.
Previously owned: 1987 Trooper II LS, 1989 Trooper (parts only), 1994 Trooper 3.2 Auto, 1997 Rodeo 2.6 5 speed, 1993 shortbed pickup 2.3 (project - sold) 1992 Rodeo 4x4 LS (parts car, devoured by Spacecab needs) plus some 70 plus other non Isuzu vehicles over the years.

http://forum.planetisuzoo.com/viewtopic.php?f=15&t=64060

The American dream is getting farther and farther away from the American.

If your wife has 5.00, and you have 20.00, your wife has...25.00

"Water is one of the greatest essentials of life. Without water, you can't make coffee."
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Re: 1986 Trooper II

Postby chuffer » Sat Mar 25, 2017 11:14 am

Dennis, kinda figured that, but had never actually seen a set...now I have...kinda.
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Re: 1986 Trooper II

Postby MarkB.NV » Sat Mar 25, 2017 2:24 pm

chuffer wrote:Nice looking rig.

The top of that piston looks different than any i have seen so far. What year / model is that out of?


This was a rebuild out of the '90 Trooper I had a few years back. Got as a long block from hiperformer.com for about $2k total (I had a winfall to blow on my Trooper fix).

The new set of ITM pistons are the regular dished, @ 1mm over sized.

Image
MarkB.NV,
Tan 1986 Trooper, 2.6 / 5 speed, 173K mi.
http://forum.planetisuzoo.com/viewtopic.php?f=15&t=101538

White 1984 Trooper, 1.9 / 4 speed, 89K mi.
http://forum.planetisuzoo.com/viewtopic.php?f=15&t=85764

Sold ... Silver 1990 Trooper, 4 cyl, 5 speed
Sold ... Blue 1989 Trooper, 4 cyl, 5 speed
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Re: 1986 Trooper II

Postby MarkB.NV » Wed Mar 29, 2017 12:01 am

Finally got back to the garage and stopped procrastinating ... ball hone came in the mail and I got the bores finished.
I loaded some 10w-30 as a honing fluid into a squirt bottle and lubed the cylinders and hone well.

Still need to power wash the block later this week, then do the plasti-gage thing to check the oil clearance on the main and rod bearings. Then prep the rings and pistons and get the bottom end put back together.

Image

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Image

Image

Image
Last edited by MarkB.NV on Sun Apr 02, 2017 5:38 pm, edited 2 times in total.
MarkB.NV,
Tan 1986 Trooper, 2.6 / 5 speed, 173K mi.
http://forum.planetisuzoo.com/viewtopic.php?f=15&t=101538

White 1984 Trooper, 1.9 / 4 speed, 89K mi.
http://forum.planetisuzoo.com/viewtopic.php?f=15&t=85764

Sold ... Silver 1990 Trooper, 4 cyl, 5 speed
Sold ... Blue 1989 Trooper, 4 cyl, 5 speed
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Re: 1986 Trooper II

Postby hessmess » Wed Mar 29, 2017 6:53 pm

That is looking good.
86 Trooper (sold to brother) wrecked and recycled
88 Trooper (recycled)
91 Trooper, 3.1, bored .40, Cam, 4.3 TBI, roller rockers, Fiero valve covers, remote oil filter, LSD, 2.25 Cat back exhaust, BJ flip, 5 speed conversion, Round eye conversion-retired and parts donated to the new 91
91 LS Trooper, 5 speed, 3.4, bored intake, LSD, rebuilt using parts donated from the first 91
viewtopic.php?f=15&t=81567
89 Pup LS Space Cab, 4X4, AMC head, Delta 260 cam, 2.25 cat back exhaust system, LSD
viewtopic.php?t=55081
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Re: 1986 Trooper II

Postby MarkB.NV » Sun Apr 02, 2017 5:50 pm

Slowly moving forward with this rebuild.

... and then time to cleanup the crank somewhat.
Used 600 wet/dry cut to size, 28mm wide for the mains and about 24mm wide for the rod journals.
Simply used WD40 for cutting fluid and then shoe laces to pull it back and forth.

Image

Image

Image

Overall, it cleaned up well. Can still see some of the tracks left by the micrometer.
Worst is the number 1 rod journal ... she may have been scarred by some loose debris that got past the oil filter.

Image


Then onward to check the oil clearances on the main bearings.
Cleaned and wiped down everything, block, crankshaft, main caps, and the new bearings.
Assembled dry with green plasti-gage.

Image
Image
Image
Image
MarkB.NV,
Tan 1986 Trooper, 2.6 / 5 speed, 173K mi.
http://forum.planetisuzoo.com/viewtopic.php?f=15&t=101538

White 1984 Trooper, 1.9 / 4 speed, 89K mi.
http://forum.planetisuzoo.com/viewtopic.php?f=15&t=85764

Sold ... Silver 1990 Trooper, 4 cyl, 5 speed
Sold ... Blue 1989 Trooper, 4 cyl, 5 speed
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