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Old 04-08-2012, 06:34 PM
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Get this Dyno off the Nailhead?

I just picked up a 401 Nailhead with the automatic still attached, only because I could not get it apart at the bone yard. The guy at the bone said to cut the torque converter apart with a torch. These things are filled with oil and all that's going to do is burn the place down. I did pull the dowel pins so I can rotate the transmission, thinking wrench of some shape between the block and the converter, wrong. If I do use a Sawall, it will be a mess and that's OK, but things may still be attached internally. Any good ideas anyone.

Woodildo

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Old 04-08-2012, 07:20 PM
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Depends on the year. Some have the ring gear on the convertor and some are conventional flex plate..
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Old 04-08-2012, 07:45 PM
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if its a dynaflow you gotta unbolt the coupling from flywheel
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Old 04-08-2012, 11:25 PM
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'63- I forgot to mention, the motor is seized and can't turn the crank. I am used to the GM's way of bolting the flex plate to the torque converter. It stays with the flex plate or goes the transmission. I could try to take out as many pistons as possible but #2 and #8 are in bad shape. I also don't know if on the nailhead if the rod bolts are studs or bolts to try to lift out the crank and the transmission at the same time.
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Old 04-09-2012, 08:54 AM
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If you decide to go after the TC with a sawzall; perhaps punching/drilling a hole in the TC if possible is a good idea 1st

Tried the ATF or MMO trick on the cylinders to loosen em up? Careful you dont gouge the bore too severely obviously
Keep us posted, we'll get it.
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Old 04-10-2012, 08:44 AM
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This is before my time and I'm 59! I've never seen an auto trans not come off after removing the bellhousing bolts. Someone please explain to me why this would not occur? I once bought a Buick GN with a severely blown engine, so bad a piece of the cam exited the rear of the block and wedged in the converter! After removing the entire drivetrain and unbolting the trans from the block, I was able to pull the trans off leaving the converter attached to the flexplate. Only then was I able to remove the converter bolts...

Russ
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Old 04-11-2012, 06:15 PM
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Do you have to unbolt all those bolts
http://www.hemmings.com/hcc/stories/...feature15.html
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