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Stall Speed and overdrive

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Old Jun 11, 2008 | 11:47 PM
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Stall Speed and overdrive

Iv almost finnished installing a ( Doug Nash ) US Gears overdrive into my 66 F100. It is a .8 overdrive. the engine is a
352 4bl C6 3.07 Gears and 29 in tires. going to pickup the one piece Drive shaft tomorrow. All the rest is installed. Soooooooooo
A question about Tq converters and stall speed. The Tq converter I have is a stock one and I figure with the overdrive my highway RPM at 65mph to be around 1850 -1890 some where in there. Is the stock Tq converter going to
be ok or should I be looking a lower stall converter. The C6 Does have a shift kit in it. and will stay in whatever gear I select or shift thru the gears in Drive.

Anybody that could shed some light on this stall speed thingy ?
 
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Old Jun 12, 2008 | 12:32 AM
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I show you running about 1707 rpm.

Novak Conversions - Gearing & Gearing Math for Jeeps

Stock stall speed may be just about 1700 or so, depending all the variables. This outfit sells tcs, talks about them etc:

TCI - TORQUE CONVERTERS: Descriptions

You sure you have a C6? C6 was not OEM in your truck.
 
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Old Jun 12, 2008 | 01:34 AM
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It is a C6, I had it installed to replace the ageing manual 3 speed overdrive
that came with the truck.and as im also ageing i like the auto better

Is the stock Tq converter going to be ok then ?
 
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Old Jun 12, 2008 | 06:28 PM
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I don't know the exact stall--it will not be much higher than 17-1800, gotta tach?
 
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Old Jun 12, 2008 | 06:38 PM
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Originally Posted by 85e150six4mtod
I don't know the exact stall--it will not be much higher than 17-1800, gotta tach?
I sure Do
 
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