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Author Topic: C4 Race trans whine?  (Read 919 times)
BirdMan
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Location: Topeka, KS

« on: May 07, 2017, 01:01:50 pm »

What/where is causes whine?  Converter (new about 6/8 passes ago), PA Comp trans w/brake.  347/500 hp leaving at 4,000 shifting at 6,000 ?? passes.

I'm thinking trans pump gears and there is oil puking out of overflow vent, top of tailhousing.

This is on a friend's car, I have Never had a puking problem on our C4's, ever.  I have fittings screwed into tailhousing with 1/4" black plastic tubing pointed down, soon will get a catch can.

When I get my trans back together I will probably take this one apart, upgrading to 6 pk clutches.
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Son's 412W Build Information;
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juiced coupe
Six figures worth of don't give a f*ck
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Location: Pascagoula, MS
The land mass between New Orleans and Mobile


« Reply #1 on: May 07, 2017, 04:23:31 pm »

The pump sounds like the most likely thing.

If the pump is cavitating or leaking, it may be aerating the fluid. This would explain the overflow.
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Doing more with less, or something like that.
http://sbftech.com/index.php/topic,20009.0.html

Quote from: Monte Smith
Bottom line, if it was the hot ticket, the fast guys would do it.............they don't

You might need some Titanium rods and a flow bench!  LMAO on floor

I honestly don't get it.

I'm sweating, my heart is racing, my clutch foot is twichin', and my right arm punched the computer screen doing an involentary 2-3 shift while reading all that. 
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