turbo question

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turbo question

Postby kado1000 » Sat Jun 28, 2008 3:45 am

hey guys, this might sound dumb, but I here it goes, How can you tell if your turbo have shalf play or it not running right. is there any noise that I can be looking forward to. thanks
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Postby WarTowels » Sat Jun 28, 2008 4:33 am

You can take the intake off and feel the impeller (on the cold side).

If you can wiggle the impeller, you have shaft play.

In/Out is bad.

Side to Side, is sometimes OK.

There are gauges to measure the distance it travels to tell whether it's "in spec".

Some go by the principal that any shaft play is too much shaft play though.

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Postby Ric » Sat Jun 28, 2008 6:05 am

As mentioned, check the cold side.

What I go by is that a tiny bit of side to side okay as it's a sleeve bearing for lack of a better definition so the oil pressure will "center" it and keep it right. Any in/out play is bad.
gone back to my Turbo Miatas.

Thanks for the tips and ideas y'all.
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Postby hacker_720 » Mon Jun 30, 2008 4:48 pm

IN "spec" is less then 1mm
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Postby Hotrodhendrix » Mon Jun 30, 2008 8:04 pm

Soooo yall are saying the stock turbo on my vr4 with about half an inch of play is bad?? :twisted:

In/Out~ BAD
Side/Side~ very little ok but keep it in mind
Side/Side~ anything more than a tiny bit is bad
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Postby Ric » Mon Jun 30, 2008 8:39 pm

Hotrodhendrix wrote:Soooo yall are saying the stock turbo on my vr4 with about half an inch of play is bad?? :twisted:

In/Out~ BAD
Side/Side~ very little ok but keep it in mind
Side/Side~ anything more than a tiny bit is bad



Correct
gone back to my Turbo Miatas.

Thanks for the tips and ideas y'all.
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Postby WarTowels » Mon Jun 30, 2008 8:53 pm

Sounds about right for a VR4 to me. :lol:

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