Hi folks,
I decided to get on with getting my FJ20DET sorted out. It stared making a
high pitched whine when it was cold so I took a guess at the turbo being
buggered. I took it off today and sure enough the bearings have gone
completely , the noise was the intake wheel rubbing on the housing. I'm
gonna see if I can get it repaired but before I do I thought I run a few
question by you all.
1) what kind of turbo is it? It's a stock Gazelle RS-X Jap model. Here's
some pictures of it....
http://www.btinternet.com/~ratdat/TurboIN.jpg
http://www.btinternet.com/~ratdat/Turbo.jpg
http://www.btinternet.com/~ratdat/TurboEX.jpg
2) should I get this unit repaired or is there a better choice of turbo for
this engine? I'm planning to rebuild it completely hopefully with forged
pistons and plan to run about 15psi and an intercooler.It has huge lag as it
is now but this could be down to the turbos condition and the dodgy ECU. The
710SSS it's going in will run a 3.9 diff as opposed to the Gazelles 3.7 and
will have smaller diameter wheels so maybe this lower gearing will reduce
apparent lag anyway?
3) all our CA18ETs here have water cooled turbos...is this a good idea or
even necessary ? Just wondered as the FJs isn't.
4) are there meant to be gaskets of some sort between a) the turbo and
manifold and b) the turbo exhaust housing and the part with the wastegate
mounted in it?
5) there are two very tiny cracks, one either side of the wastegate hole..is
this okay?
Bear with me on this...I'm entering uncharted territory!
Cheers,
Eddie
England
510, KP710, B10, KB110,
B110, B120, J710, H230,
G620, P330, SRL311, C30,
VBF10, E10, S12
[EMAIL PROTECTED]
pics at www.ratdat.com
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