Thread: IHI turbo problems?

G'day Bob, Bit hard to see how far down that crack goes from the wastegate seat but if it is only what you can see in the photo I dont think it should cause any problems apart from maybe a very small amount of leakage. Maybe caused by heat, exhaust flex on wastegate housing or even a manufacturing flaw. I would just monitor it. Like you I am not sure why the change from IHI to Garrett.

The leakage will drop your boost a little, otherwise nothing to worry about.
Look at drilling and pinning the crack to stop leaks, otherwise I have an old IHI which is suitable for parts.

Of interest, there's a housing A/R number on those by the neck. Mine was a 9, what is yours?

Are these some of the numbers you're after?




The only other numbers cast are "A 6 J[upside down]"
or possibly "J 9 A[upside down]"


Rob W

Originally Posted by isuzubob

Are these some of the numbers you're after?

The only other numbers cast are "A 6 J[upside down]"
or possibly "J 9 A[upside down]"


Rob W

That's exactly it. The 11R is the A/R of that housing. It's 11mm which compares to 0.43 on the inch scale that garrett use.
I thought mine was a 9, but now I think it's probably also 11. Just tried to find it in the garage and failed.

BTW, nice photography.

Originally Posted by Dougal

BTW, nice photography.

Thanks
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