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Old 09-06-2010, 10:09 AM
kwacasey kwacasey is offline
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OK, found the line bias valve. I guess i did not realize its function. I have rebuilt this trans using a combination of astg manual excerpts, online info that i found for the 4L60 and 4L60E, and the rebuild DVD.

From what i am understanding i need a stiffer spring that will not allow the valve to blow off the pressure on the forward gears, so it will allow for higher line rise.

I am seeing that some people are blocking off this valve? this sounds like a mod, should i consider this? If i were to replace the spring which one (color) should i use?

aside from this does my 10-15 psi boost at 1500rpm sound right? Just want to make sure that my TV setup is good.

Thanks again for your help on this.
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