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by Pete@Hughes
Tue Oct 14, 2014 12:06 pm
Forum: Transmission Technical
Topic: 4L60E for a Malibu
Replies: 36
Views: 10814

Re: 4L60E for a Malibu

You should be able to use any converter from 1985 - 2000 provided that it was used behind a 4.3L V-6, 5.0L (305), or 5.7L (350).
by Pete@Hughes
Tue Oct 14, 2014 11:13 am
Forum: Transmission Technical
Topic: th350 no forward gears
Replies: 5
Views: 1985

Re: th350 no forward gears

With the modulator disconnected you would still have forward gears. The transmission would be very late in upshifting (if it upshifted at all) due to excess line pressure, but you would at least have low gear. The problem you're experiencing could be related to a broken or stripped forward planetary...
by Pete@Hughes
Tue Oct 14, 2014 11:03 am
Forum: Transmission Technical
Topic: 4L60E for a Malibu
Replies: 36
Views: 10814

Re: 4L60E for a Malibu

Bad luck, the converter has 27 spline and my 700r4 has 30, so i need to buy a new converter. Where could i fine one, i need stock only, nothing fancy or with high stall speed. My transmission has a conector on the side, so i asume it has lock up for the converter. I still have a doubt with the rear...
by Pete@Hughes
Mon Oct 13, 2014 10:19 am
Forum: Transmission Technical
Topic: 4L60E for a Malibu
Replies: 36
Views: 10814

Re: 4L60E for a Malibu

Your 4L60E torque converter will work in your 700R-4 as long as your 700R-4 is equipped with a 30-spline input shaft. 1982-1984 700R-4's are equipped with a 27-spline input shaft. Ebay is probably your best source for speedo parts. PATC in Louisiana also stocks pretty much everything you need for sp...
by Pete@Hughes
Tue Oct 07, 2014 12:49 pm
Forum: Transmission Technical
Topic: Transmission lines?
Replies: 6
Views: 2100

Re: Transmission lines?

You can potentially see 100+ PSI of pressure through the cooler lines. I don't think that the commonly available aluminum tubing out there is rated for that type of pressure, although I'm sure there are plenty of people out there that have used it without an issue.
by Pete@Hughes
Wed Oct 01, 2014 10:24 am
Forum: Transmission Technical
Topic: 350 turbo to glide, what gears?
Replies: 8
Views: 2226

Re: 350 turbo to glide, what gears?

You're welcome.
by Pete@Hughes
Tue Sep 30, 2014 10:45 am
Forum: Transmission Technical
Topic: 350 turbo to glide, what gears?
Replies: 8
Views: 2226

Re: 350 turbo to glide, what gears?

4.56 gear should get you where you want to be.
by Pete@Hughes
Wed Sep 24, 2014 10:10 am
Forum: Transmission Technical
Topic: Torque Convertor Going Bad?
Replies: 7
Views: 2106

Re: Torque Convertor Going Bad?

Your burn-out procedure is right on the money. Rolling off the throttle and not letting the tires grab will help prevent excess shock to the sprag inside the converter.
by Pete@Hughes
Tue Sep 23, 2014 11:31 am
Forum: Transmission Technical
Topic: Torque Convertor Going Bad?
Replies: 7
Views: 2106

Re: Torque Convertor Going Bad?

Just as FYI, our GM40 torque converter features a real negative impeller fin angle which will soften the hit at the initial launch and will help improve flash characteristics. This converter is a great choice for footbrake bracket and index racing as it will generally help contribute to good consist...
by Pete@Hughes
Mon Sep 15, 2014 4:12 pm
Forum: Transmission Technical
Topic: One more set back
Replies: 2
Views: 1414

Re: One more set back

Shimming the nut with a washer is not a problem. I've done that several times myself. Use a head bolt or main bolt washer so that it fits around the O.D. of the manual shaft and allows the nut to properly put pressure against the shift arm.
by Pete@Hughes
Mon Aug 18, 2014 10:50 am
Forum: Transmission Technical
Topic: Torque convertor slippage
Replies: 2
Views: 1266

Re: Torque convertor slippage

Your converter is slipping roughly 16 - 18% at the 1/8. While this is a bit to the high side, if you're bracket racing or index racing the car and running competitively then I wouldn't worry about the slippage too much. It's a bit high, but not so much so that I would consider it radically excessive...
by Pete@Hughes
Thu Aug 14, 2014 1:37 pm
Forum: Transmission Technical
Topic: Torque converter leak
Replies: 3
Views: 1454

Re: Torque converter leak

This is extremely uncommon. Most likely cause of the leak is a pinhole or crack where the pilot is welded to the front cover.
by Pete@Hughes
Thu Jul 31, 2014 10:36 am
Forum: Transmission Technical
Topic: Powerglide ???
Replies: 7
Views: 1922

Re: Powerglide ???

Thanks for the additional information. I ran the numbers and came up with a rear gear ratio range in the 4.30 - 4.88 range for your combination. If you're looking to make a change then I would split the difference and install a 4.56 ratio. The increase in gear ratio is actually going to improve your...
by Pete@Hughes
Wed Jul 30, 2014 9:58 am
Forum: Transmission Technical
Topic: Powerglide ???
Replies: 7
Views: 1922

Re: Powerglide ???

I forgot to ask... how tall of a rear tire are you running on the car?
by Pete@Hughes
Tue Jul 29, 2014 9:29 am
Forum: Transmission Technical
Topic: Powerglide ???
Replies: 7
Views: 1922

Re: Powerglide ???

What is the approximate horsepower and torque output of your engine?

Any power adders?

What is your E.T. and MPH goal in the 1/4 mile?

Where do you want your engine RPM at the finish line in the 1/4 mile?