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Turbo installation questions

Posted: Wed Aug 30, 2006 11:06 am
by BOB_1
I have just "aquired" a Garrett GT25 and custom manifold for my TD42. It is a standard NA 4.2 in a 99 GU wagon. The question I have is where are the best spots to pick up and return oil. I know a few people return it into the sump but surely for a motor with a turbo variant, it would have somewhere to run it back into and pickup designed for a turbo.

Pics or a good description would be great.

Im going with the turbo, matched length manifold, dump pipe and 3 inch exhaust, most likely with a intercooler a bit later on when funds allow. Any other hints for these mods would be great, The fuel pump will get some work also at some stage and I hope to fit oil pressure, boost and EGT also.

Posted: Wed Aug 30, 2006 11:11 am
by BOB_1
Sorry- Didn't search very well first, lots of links but anybody with any extra info would be great.

Thanks

Posted: Wed Aug 30, 2006 5:34 pm
by BIG GQ
My oil pick up is from the back of the alternator and return is into the sump

Posted: Wed Aug 30, 2006 7:06 pm
by fnqcairns
I have the same engine as you in a GQ NA with the same alternator as well, on the LHS of the block forward of the engine mount there are 2 plugs, the large one is the low pressure oil return to sump and the small one taps into an oil gallery and is high pressure.

cheers fnq

Posted: Wed Aug 30, 2006 7:31 pm
by Andrew_C
Thanks

Posted: Fri Sep 01, 2006 4:19 pm
by BOB_1
So are they the ones right behind the alternator? I noticed two bungs there when I had a look.

lets go

Posted: Fri Sep 01, 2006 10:04 pm
by xenith
the other prob u may have is fuel depending on how much boost u run :twisted: . u may find u need an exturnal fuel pump i know i did and know alot of others have had to since :cool: :lol:

Posted: Sat Sep 02, 2006 6:15 am
by fnqcairns
Yeah Bob can be seen on the block behind the alt.

cheers fnq