Ive been doin ALOT of research on boosting my OHV 2.2 over the winter, and it leads me to my next concern which is this transmission.....how weak are they? im looking to do a full rebuild of my engine, and run about 8-10lbs of intercooled boost

i plan on buying a whole new transmission anyway, cuz the one i have now has 83,000 miles on it, so i dont really trust it under that much power.....but i dont want to waste my money if im not gonna be able to keep one of these izuzu's in one piece

so whats everyone think/know about this trans? if your boosted with one how has it held up?

Since money dosnt seem to be a problem with you, you should be able to just go out and buy a new/built transmission rite??


<a href="http://nystreetscene.com">http://nystreetscene.com</a>

lol yea im on somewhat of a budget cuz im trying to buy a ZR2 s-10 as a daily driver

Honestly, I've been through 3 Isuzu's, and been around people that have gone through a couple too. Here's my thoughts:

It's not really power that kills the transmissions. It's wheel hop, and hard shifting. Wheel hop takes out differentials, and hard shifting rips out the syncro's. The common gear to lose syncro's first is third, because going from second to third has a large RPM drop due the ratio's, which really stresses them out.

Mike Karas layed down 410 WHP with an otherwise stock Isuzu with a Quaife differential. Fix the weak dif, and don't shift hard, and it should last a long time.


O noes!

i got 143k miles on my stock isuzu tranny and i am boosted.

ive heard that it stands up to 200 hp if ya treat it right

alright sounds like i should be ok....might look into upgrading the diff

Mine cried like a baby and let go within 3000 miles of being boosted.

In goes the NVG T550.

Honestly - I've gone through 5 isuzu's... and that was enough. Many of them broke without much abuse... the differential is just TOO weak and I don't know why. I haven't been able to spin the tires in 2 years due to a bad clutch so I KNOW it was power that broke this tranny and not driving since it had next to no K's on it.

Ah well. My opinion is try it out - if it breaks make it better.

-Chris-



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Slowly but surely may some day win this race...