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Do the 1uzfe 4.0l and the 4.7l variant share the same exhaust manifold bolt pattern? I,e will headers to suit a 4.7l bolt up to a 4.0l. Thanks for the help.

I have a m90 on a manifold i made myself using the lower half of the oem manifold in a hilux. my query is: is the by pass valve used to lower boost to the engine at low engine speeds or to limit the maximum amount of boost availiable to the engine? I was considering blanking it off altogether...

I have an M90 that i got as an import from the states and all i know about it is that it is from a buick 3.8. I would like to try and find out exactly which year and model it is from. Anyone know how to I.D them? thanks, Doon.

Hi, i am putting m90 on 1uz in 02 hilux 2wd. Can i drive it off the existing serpentine belt or would i need to mount the blower further forward and make a new pulley to go on the crank? Appreciate any advice, Thanks Doon.

i have what appears to be an externally driven & piped oil pump driven by the acc belt. on photo's of other 1uz's i have seen there is a fan bolted to the pully in this location. can any one tell me what this pump is for? thanks doon.