isuzu pickup 4x4 engine swap

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isuzu pickup 4x4 engine swap

Postby Abdair » Thu Jan 05, 2017 2:58 am

hi,
i been wondering what engine would be a good swap for my pickup 4x4.
i would like to keep the 4x4.
my truck info(1988 pickup 2.6 manual gearbox)
1988 2.6 isuzu pickup S 4x4
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Re: isuzu pickup 4x4 engine swap

Postby itsmehb » Thu Jan 05, 2017 8:26 am

There are some good swaps that can be done if you have the 2.8. But with the 2.6 your kinda limited as to what you can do because of the tranny. Have to ask what is it you don't like about the 2.6. Lots of us are running it with satisfaction. They are pretty durable engines with maybe one weak point and that being the headgasket, which if the cooling system is kept in top notch condition, that becomes less of an issue.
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
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Re: isuzu pickup 4x4 engine swap

Postby Abdair » Thu Jan 05, 2017 11:02 am

yeah its a good engine just replaced a seal and did the valve adjustments. i just wanted to see what were my options, since i went from a v8 into this i kinda miss the extra power.
1988 2.6 isuzu pickup S 4x4
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Re: isuzu pickup 4x4 engine swap

Postby Ed Mc. » Thu Jan 05, 2017 10:30 pm

Hi, I was typing up a response when the board went Blooey! SQL errors, scary! :shock: So, here goes:

A "Jerry Cam", (or cam from a '94-up 2.6), Pacesetter exhaust header, and larger, less-restrictive exhaust (say, 2-1/4) with a good turbo-type muffler such as a Dynomax Super Turbo, will wake the ol' 2.6 right up.

The old-style catalytic converters are quite restrictive and you'd do better by installing a generic Catco cat (very inexpensive and a good brand).

We have also been talking about throttle body mods in this thread, if you install the newer-style upper-half of the intake along with the round, freer-flowing throttle body, you add even more performance:

viewtopic.php?f=22&t=97314

An older thread with more good info:

viewtopic.php?f=1&t=78730&p=695726&hilit=chamber#p695726

If you really want to go Nuts, find yourself a '94-up 2.6 head, which has smaller combustion chambers. When bolted up to an earlier 2.6, there's a boost in compression that would work very well with the other upgrades.

Far as the V6 swap goes, you'd probably be better off finding a scrap 3.1 pickup (only came in 4WD) and using all the parts from that rig. You'd have to change out the transmission, maybe drivelines, all accessories, exhaust, adapt mounts, etc etc. The biggest task would be adapting the EFI & all the supporting wiring & electronics. Completely different from a 2.6.

Use a rebuilt, bored-out 3.1 (which will result in "3.2" displacement) or a Camaro/Firebird 3.4 ('93-'95) for best performance. A junked, rusted, or wrecked 3.1 4WD Rodeo would do as well for a donor rig.

A few more links:

"Jerry Cam" developed by our resident Isuzu Meister Jerry Lemond: viewtopic.php?f=22&t=79422

Pacesetter Header: https://www.summitracing.com/parts/psm- ... make/isuzu

Not cheap, but you probably won't like the considerably less $$$ painted item, once all the paint burns off and the header starts to rust!

Dynomax Muffler:

https://www.amazon.com/Dynomax-17747-Su ... B00029J3IO

http://www.ebay.com/itm/Dynomax-17747-A ... Sz&vxp=mtr

Catco Cat: https://www.summitracing.com/parts/cto-6575/overview/

There ya go, something to chew on! Enjoy.............ed
'90 3.4 Troop LS;
'89 Troop RS (Exhaust Valve Challenged), now gone to a Good Home!
Yes, I am a Trooper-Holic!!!
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