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Torque Converter Nose Will Not Seat Into Crankshaft. Why?

 
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Old 04-18-2012, 07:35 PM
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Torque Converter Nose Will Not Seat Into Crankshaft. Why?

I bought a 1969 Ford 429 with a C65 and when I did the rebuild, I placed a 460 crank in it. Yesterday, I got back the C6 that was attached to the 429 after it was rebuilt. The transmission company who rebuilt the C6 had the original torque converter rebuilt to a 2200 stall to match my cam. Today, I went to try and put it all together, but the nose of the converter will not slide into the back of the crank. I made sure to get all the rust out of the back of the crank and all the paint from the nose of converter. Anybody have an idea of why it will not slid into the back of the crank?
 
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Old 04-18-2012, 08:22 PM
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Measure the diameter and depth of the pilot on the torque converter and the diameter and depth of the hole in the crankshaft flange, that will tell you where the problem is.
Any chance the 460 crank was manual trany and there is still the outer race of the pilot bearing in it?
 
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Old 04-18-2012, 08:26 PM
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Check for pilot bearing or bushing from previous life in the 460 crank.
 
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Old 04-18-2012, 08:30 PM
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I checked to see if there was a bearing in there. There doesn't seem to be. I'm gonna need to find my gauges and measure it out. Just with a tape it seems to be a close fit.
 
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Old 04-18-2012, 08:34 PM
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Early 460s cranks share the same crank pilot as the Fe motors, its in the 1.8" diameter range and is not as deep.

The later ones used a 1.375 crank pilot that was deeper
 
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Old 04-18-2012, 08:59 PM
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So, if that is the case I'm assuming I need to have the converter nose machined down?
 
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Old 04-19-2012, 01:15 AM
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No, the converter you have is probably the 1.375 snout, it won't work. you will have to buy a converter with the correct snout. I think any FE converter will work. I bought mine from BTE in Memphis TN, but you can get them anywhere, just don't settle for a sub par rebuilt converter, go on and get a good one.
 
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Old 04-19-2012, 04:39 AM
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460 not available with a M/T until 1983. All 1968/82 460's came with the C6.

429's were available with a M/T in 1969/70 Mustang Boss 429, 1971 Mustang 429 CJ.
 
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Old 04-19-2012, 08:47 AM
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I have a C6 B&M Traveler series T.C. that would fit your crank. It was only used for 20 miles then removed. There was nothing wrong with it or the trans it came from so it is clean inside. PM me if you want it for real cheep.
 
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Old 04-19-2012, 02:49 PM
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This is what I'm dealing with. Now what?

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Old 04-19-2012, 04:08 PM
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Looks like a job for a machinist! Get the correct dimensions and have it professionally cut down the .027's or so. Find a quality shop and not just someone who happens to have a lathe.... It won't be the easiest thing to true up.

That or take Mark up on his offer.
.

.
 
 
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