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Old August 3rd, 2010, 11:59 AM   #1
chevyman
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Default has anyone put a 4.3 fuel injected in a sammi

i have a 92 and i just bought toyota axles high steer lockers 530 gears and i own a salvage yard looking to see what parts are the best to use i think i will use th350 and 205 tcase want some input thanks guys
this is a picture will doing the body work ill get picture of body done
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Old August 3rd, 2010, 01:33 PM   #2
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Ask this dude...

A4x4spit
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Old August 3rd, 2010, 06:56 PM   #3
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Use a Suzuki 2.0L or small V6.

You'll like the results better.
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Old August 4th, 2010, 02:07 AM   #4
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Ive done it several times Ive had one v-6 or another in my spit for 15years and a couple samurai's I had . I have a vortec 4.3 2wd 2004r and a samurai transfer case now.
If I had salvage yard I might consider sticking to a 1.6 16v suzuki engine out of a tracker or sidekick that keeps it light and it fits easy plus they rip but then if your a dune runner hill climber the torqe of a v-6 cant be beat . the v6 makes the samurai ft heavy unless you move everything Ive got rigs set upwith 4 cyl & v-6 & wheel them both with equal enthusiasm
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Old August 4th, 2010, 08:41 AM   #5
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thanks for the help guys i will have to think about that i already have a 70 k5 blazer for dunes so i need it just for trails just want a bullet proof system ill let u know what i do
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Old August 6th, 2010, 08:41 PM   #6
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If I can put one into a yamaha Rhino...than I'm sure you can do it to a suzuki
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Old August 6th, 2010, 09:21 PM   #7
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lets see a picture of thatsounds fun
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Old August 12th, 2010, 08:49 AM   #8
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They work real well for that, but I'd ditch the NP205 for a Dana 300.

hehhe, if you need a TBI 4.3 (which came out of a sami, actually) or a TH350 to D300 adapter, or a shortie D300, let me know..
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Old August 12th, 2010, 10:32 AM   #9
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low powered trail machine, 2.0L tracker.

moderate power making a big difference in all around ability, 2.5 or 2.7L tracker/GV/XL7 engine and trans, turbo ecotec out of a solstice or cobalt ss, 3400 out of grand ams and similar. A 4.3L would probably be the last on "my" list but it is a common swap in the sami's. Run a good 3 or 4 speed auto trans to a dana 300 and it'll make your K5 stay parked more often than not.

If I were doing another light-ish tracker build again it would probably be powered by something like a solstice GXP turbo ecotec to the factory 5L40 (i think that's what it's called) trans and then make an adapter to a dana 300. 300hp, light and compact.
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Old August 12th, 2010, 11:50 AM   #10
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Sounds real cool, keep us posted.

another vote for a turbo'd ecotec.
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Old August 12th, 2010, 12:22 PM   #11
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Depends on what you do with it, though. A 4.3 woud grunt along slow trails a lot more relxed than a turbo 4 cyl...

A 2.4 N/A with a 5 speed would be nice powerplant. But I have seen many 4.3 TBI/TH350 setups in MI that do great for what we have around here..
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Old August 12th, 2010, 07:47 PM   #12
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Quote:
Originally Posted by Haggar View Post
Depends on what you do with it, though. A 4.3 woud grunt along slow trails a lot more relxed than a turbo 4 cyl...

A 2.4 N/A with a 5 speed would be nice powerplant. But I have seen many 4.3 TBI/TH350 setups in MI that do great for what we have around here..
Yeah but with a 4.3 you are basically adding 200 lbs to get the same power to weight ratio.

Just use a Lightweight powerplant or build something else, because heavy Zuks tend to loose their charm.
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Old August 12th, 2010, 09:45 PM   #13
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If I were to do it again, I would go with a 3.4 from a mid 90's camaro/firebird with a 700r4 behind it to a divorced D300, or possibly the stock divorced samurai case. The 4.3 was a pain in the ass, its really too wide for the install, and keep all the things you want to have like power steering and air conditioning. A 60 degree v6 will leave tons of room, and they are cheap and fairly easy to find. You could even run a T5 behind it, or get crafty and use a T5 bellhousing to a toyota W56, and then use an inchworm dual tcase setup.
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Old August 13th, 2010, 02:27 PM   #14
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Quote:
Originally Posted by scottie View Post
Yeah but with a 4.3 you are basically adding 200 lbs to get the same power to weight ratio.

Just use a Lightweight powerplant or build something else, because heavy Zuks tend to loose their charm.
on paper, but the real world toruqe curve and driveablity is different. You are't at HP peak that often..

Be honest, drive two Jeeps. One with 2.5 liter (which is 120hp) and one with a 4.2 (110-120hp), which is about 200lbs heavier.

They have the same HP, but there is a world of different in general trail performance.


Honestly, either is a reasonable path, and has benefits.
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Old August 14th, 2010, 07:35 AM   #15
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Quote:
Originally Posted by scottie View Post
Just use a Lightweight powerplant or build something else, because heavy Zuks tend to loose their charm.
thats the truth
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Old August 14th, 2010, 08:25 AM   #16
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For what it's worth, When I had the 1.6L 16V in the tracker I never needed or wanted more power below 3000 rpm, it was above that when i couldn't get launched hard enough or keep the wheel speed up. A lot of that had to do with gearing but you gear for the power you have. Campbells have had good luck with their turbo ecotec pro mod buggy. Only every once in a while do you see them struggle from a lack of grunt down low.

A 4.3L swap would be a lot cheaper if I were to guess.

Let us know what you plan to do!
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Old August 15th, 2010, 04:12 PM   #17
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I personally swapped a 4.3 in to one of my old zuks. I liked it, but tend to agree with the other guys that it is a bit heavy. With that being said, here is my magic junkyard list to help you if you go that route.

Manifolds - Stock 4.3 manifolds from trucks and van's will not fit the frame. However 3.8 Chevy V6 manifolds from a 1978-87 G-body car bolt to the 4.3 and will clear the frame nicely. Make sure they are from a Chevy 3.8 (distributor in the back) and not a buick 3.8. If you can find them, get them from a car built in/for canada, as they do not have the smog pump holes that need to be blocked off.

Trans - this is a personal preference thing, but here is what I did. I used a 1985-1991 Chevy fullsize truck hydraulic bellhousing. If I did the swap again, I would get one from a 1992 truck (or use a nv3500, which I'll explain later), as the slave cylinder is on the opposite side. In my case the slave cylinder hit the drivers side floor just under the pedal and I had to clearance it. Otherwise you'd have to go with a two inch body lift to clear. Then for the transmission I used an S-10 T5 five speed manual from a 4x4 2.8 truck with a 13 spline clutch disc from a stick shift Astro van. I then made a simple plate out of aluminum that bolted to the back of the T5 where the transfer case normally would and put a two wheel drive T5 oil seal in the middle of it. This gives you a five speed manual that is 6 inches shorter than a two wheel drive trans. A two wheel drive slip yoke from an S-10 then slides into the back of the 4x4 trans with no issue. If I did the swap again I'd use an S-10 4x4 NV3500 and make the plate again, as they have an integral bellhousing with a passenger side slave.

I did have to clearance the trans tunnel by widening it approx 2 inches to clear the trans.

I then had CCI make me up a short driveshaft using an S-10 2wd yoke and the back of the zuki intermediate shaft. This bolted up to the Suzuiki T-case. However I did have to rework the Suzuki T-case mounts to push the T-case back about 4 inches for additional clearance. I put on 2 inch lift leaves and a spring over swap, netting me about 7 inches of lift. By redrilling the mounting hole on the spring plate to push the rear axle back about 1 inch, I was able to use the stock rear driveshaft.

For motor mounts I just fabbed up my own out of stock 4.3 mounts.

Stock 4.3 water pumps will not fit. You will need to get the short water pump and accesories off a 1955-1967 Chevy small block, or 1955-1985 Corvette. All the pulley and such will need to be used.

For a radiator I then used what I believe was a radiator out of a Chevette. It was almost a perfect fit. I then used an electric fan, and everything fit without cutting the firewall.

I think that was about it, if you have any more questions, shoot!
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