my 110 county turbo build thread

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Originally Posted by asmit

I could not source a V-band clamp to suite the cummins flange, so I welded to it, tig on the inside to seal it, then mig the outside for streangth and looks. I did make a point of fitting a 2.5" vband clamp just under the turbo there to make the exhaust easily removable.

Attachment 142137

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asmit, is that the 2.5" dump pipe?

Just buy or make a steel undivided 10-12mm T4 spacer...we did..cost 60 bucks tho at a speed shop..drill out the threaded holes which are normally used for inlet manifolds...get another gasket and away u go.

Simple...also gives more space to reuse the heater pipes..with a little re bending to clear the compressor housing.

Quote:

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Originally Posted by McBrain283

asmit, is that the 2.5" dump pipe?

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Yes that is 2.5" pipe. Just downstream of the vband clamp there it expands into a 3" pipe.

Quote:

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Originally Posted by INter674

Just buy or make a steel undivided 10-12mm T4 spacer...we did..cost 60 bucks tho at a speed shop..drill out the threaded holes which are normally used for inlet manifolds...get another gasket and away u go.

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Do you mean T3? (the HX30w is T3 and this model of manifold is T3)

This is a good approach, definitely makes the job less work to re-use the heater pipes, and a convenient location for the EGT probe!

Yes sorry T3..got club hands😐

Re the dump pipe..we intended 3" all the way but the pipe is too big to avoid damage on a Perentie being located under the door sill so were going 3 into 2.5".

Finally got it all together and running. Took if for a long test run on the weekend and all good so far.

1.5 turns out on the fuel and making 630egt pre-turbo. I don't have a boost gauge on it yet but the clutch slips at those egts in 4th gear on the big hill.

Got a bunch of bits to clean up but she's 99% there.

Exhaust is temporary as I will go bigger from the dump pipe aft when I get a chance to mod it.