4.3 chevy into sami

[chrissybf86]

i just took out my 1.3 litre and now i am going to slam in a 4.3 fuel injected out of a blazer.. any one do this before??? is it hard? will i have problems with the wiring what psi is the fuel pump??? i want to use a sm465 4 speed tranny with a 205 case.. i already have built jeep axles under my 87

[Larry]

Allmost done with mine.
4.3 Vortec TBI ,hp Chip , custom wirering harness, custom modified headers ,duel exhust,TH 350 Auto, NP 203 splitter box, Custom adpter, Dana 300 T/C home modified drive shafts, 4/10 toy Diffs. Running a little over 200 HP and around 300 FTlbs tork (or so I've been told) Got it running but still have to make some traction bars and finish up some wiring and other assorted odds and ends. Plan on it taking TWICE as long and COST TWICE as much as you now think!!!!!:shaking: I estimate I have around 3K in the conversion. Will not be home several weeks so it's on hold for now!!!! Good Luck!!!

[OKIE ZUK]

Shouldn't be too hard, if you're just going to slam it in.:D

[Big4x4Rides]

case fitting is hardest problem, I am having hell getting my 208 between frame rails

[cajunsuzukispider]

get a dana 18

[cajunsuzukispider]

I'm gonna try a 4.3v6, and 2 trannys-the choices are sm465,420,435. and then a dana 18. what if it's all mounted to some custom frame rails that fit inside the stock ones and it's all hinged at one end and held up at the other end by a couple of big bolts? that would be easy to work on, right? I could just slam it in!:laughing: :D :smokin: :smokin:

[Myanarchy]

get a dana 18



Or a quadratrec:D

[chrissybf86]

what tranny would you use?? a sms65 with a 205 or a muncie 4speed with a jeep 20 case

[Myanarchy]

You can get an adapter to bolt anything to a 4.3 block. Could even use a t-56 to a stock sammi case if you wanted

[chrissybf86]

sm465/205 or muncie 4speed with jeep 20 case?? what would you use

[Myanarchy]

sm465/205 or muncie 4speed with jeep 20 case?? what would you use



465/205 is stronger, but the dana 20 has more gearing options.


Balls in your court

[katoom]

Has anybody tried the 4.3 with a toyota trans and t-case? Is this setup not as strong as an all GM driveline?

[chinweasle]

Has anybody tried the 4.3 with a toyota trans and t-case? Is this setup not as strong as an all GM driveline?

pretty sure it's been done, but probably not in a zuk... take a look on the toy forum and you might see something.

[uglytrk]

getting closer to complete 4.3 turbo 400 np205http://photobucket.com/albums/f177/rockspyder/100_2093.jpghttp://photobucket.com/albums/f177/rockspyder/100_2092.jpg

[jackb1]

I've gone SM420 and Dana 300 Tcase from a late CJ with my 4.3. I've cut the tunnel to hell, but otherwise managed to get it in without any frame mods or body lifts. Everything is very TIGHT though.

[Big4x4Rides]

your cheating though usiong a chevy frame LOL

[Chevzuki]

You could also run a T-5 and a Dana 300 combo.While its not the greatest tranny,they are cheap and easy to work on.And of course, the Dana 300 is just awesome.Thats the exact setup I run in my Sammy,except it being spun by a 2.8L V-6 instead of the 4.3L.....yea,its not the legend that the 4.3L is,but the later years were pretty good and Ive got low miles,a full freshening up on the motor and 2 years of trouble free use so far.
BTW,if your running straight TBI,then its about 12-14psi for the fuel system.The CPI/Vortec 4.3L engines run standard 45-50 psi sytems.For my stock TBI setup,I just used the factory carb gastank with an external Holley TBI fuel pump.The wiring was super easy with a Painless Wiring TBI harness and the stock ECU.

http://img.photobucket.com/albums/v286/rentalguy/DSC01494.jpg

[Rockrat]

pretty sure it's been done, but probably not in a zuk... take a look on the toy forum and you might see something.

We have done it on three trucks so far.. the last project..
4.3 CPI 700r4, Toy case Toy axles and drivelines

http://i10.photobucket.com/albums/a102/rockfab/kimera001.jpg

http://i10.photobucket.com/albums/a102/rockfab/overallside.jpg

http://i10.photobucket.com/albums/a102/rockfab/fuelterminated.jpg

http://i10.photobucket.com/albums/a102/rockfab/frontshot.jpg

[Rockrat]

http://s10.photobucket.com/albums/a102/rockfab/?start=all

http://i10.photobucket.com/albums/a102/rockfab/snorkle6.jpg