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Old 12-06-2006, 06:26 PM
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powerglide or th350 behind a 383

which one fellas, 2200 stall, xe274, 70 2door nova

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Old 12-06-2006, 07:31 PM
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Quote:
Originally Posted by backyard71nova
which one fellas, 2200 stall, xe274, 70 2door nova

street car, drag car, oval track car?
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Old 12-17-2006, 04:38 AM
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Originally Posted by Crosley
street car, drag car, oval track car?

street and strip
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Old 12-17-2006, 06:29 AM
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You could get by with a well built TH350 for the street.

A well built TH400 would be better and would work better for street and strip.

For all out performance and strip use, a well built Powerglide is the way to go.

You should consider a little more stall (2400-2800 RPM) depending on your rear gearing. I suggest 3.70 for street and 4.56 for strip.
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Old 12-23-2006, 12:01 PM
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excellant, i was planning on a 373 gear in the rear anyway!
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Old 12-29-2006, 07:52 PM
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If ya can't do an AOD, I'd try for a lockup 350. Easy 10% more mileage in my car just because of the lockup.

You want to use the automatic lockup feature and then install an arming switch so you can keep it off until you hit the highway.
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Old 12-30-2006, 07:39 AM
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Id use a T350 for sure
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Old 12-30-2006, 11:29 AM
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Quote:
Originally Posted by xntrik
If ya can't do an AOD, I'd try for a lockup 350. Easy 10% more mileage in my car just because of the lockup.

You want to use the automatic lockup feature and then install an arming switch so you can keep it off until you hit the highway.
new to the game, what does lock-up mean exactly? please don't think im stupid, i saw it in mags, i just really never paid attention to what it means.
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Old 12-30-2006, 12:02 PM
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Quote:
Originally Posted by backyard71nova
new to the game, what does lock-up mean exactly? please don't think im stupid, i saw it in mags, i just really never paid attention to what it means.

GM has an electrically triggered clutch inside the torque converter to eliminate all slippage when it is engaged for highway cruising. It has a limited amount of torque it can hold.

This is done automatically at about 45 mph in high gear cruise/ light throttle.
There is an oil pressure switch that looks like an engine oil pressure sending unit inside the trans oil pan that controls this. It can be changed for different pressure settings to adjust the road speed of the engagement. In most cars it sounds like the 3 spd trans is shifting into a 4th gear when the slippage stops. It makes a solid 10% better mileage in my car.

I suggest using an "arming switch" to prevent inadvertant engagement in performance useage.

I have a Pontiac V8 with a 350C (lockup) trans in a G body.

Since about 1980 most every auto trans in every brand car has some form of lockup.

More than you wanted to know?
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