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i have a 2.5 its not turbo charge so i want to change the pump to a 2.8 and the injectors so i can get more power


acus5353I'm only here for the information Posts: 2Joined: Tue Feb 05, 2013 8:39 amAge: 25Country: barbados

First what vehicle do you have?
Can we confirm this as a 4ja1 engine or is it something else?

yes can do all of the above and bolt the turbo on, by the time you have done that though be faster and better to fit a 4jb1-t 2.8 or a 4jg2-t 3.1

Forget the 4jg2 they are less common anywhere in the america region than hen teeth. 4jb1t would be the best option but even they are hard to get in the mainland america. Barbados is a struggle to get anything unusual except good rum.

Hmm If it has a turbo go for upgrade if not trade your mu for the one that already has the set-up might b cheaper for u

bighorns are not very practical for offroading mu is the best of isuzu breed for offroading it kicks-ass

Yes and no
The model of Mu you have should be very good as it has the longer travel suspension in the front and coils in the back but they are not a common truck and still get very good money to sell. I think there might only be 2 other gen3 Mus on this forum. Also the v6 is the best of its breed and although there are a few reliability issues with the 4jx1 it is still a very powerful and efficient engine.
Most of the Mus here are gen2 with leaves on the back which does limit things a bit. My current 89 Bighorn has a similar limitation but also very strong I havnt been able to kill it in 17 years of off roading and the 4jb1 although nowhere near as powerfull is just as efficient and 100% reliable even living on the rev limiter. Im looking for a replacement bighorn but the next model. Same suspension as your truck same wheel base and more room for passengers.