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Old 11-26-2003, 06:49 AM
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pilot bearings in slant six

I have had not much luck in finding the pilot bearing I need for my
conversion from auto to man. trans. The 73 steel crank I have had
I automatic behind it so it has no pilot bearing. The hole in the crank for this is apx. .937" it seems rough-unfinished so I need to know if this is the right OD for the stock pilot bearing and if this is not the stock pilot bearing OD if anyone knows the PART # of the undersize bearing if one exists?
I have seen something about putting a roller bearing in the torque converter locating hole in the crank flange-1.825" apx.
I will go this way if I can get solid info. ie. PART #
Thanks
I found out that NAPA # 6151157 std. size will be the orginal
replacement and will work with above situation. Also Dodge
Magnum pilot bearing that sits inside the crank flange 1.825"
hole for the torque convertor should work #P4875056 $7.33
this is a roller bearing.

Last edited by hipo225; 11-26-2003 at 05:30 PM.
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Old 11-30-2003, 05:12 PM
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pilot brng

had the same problem one time on a 1 ton dodge truck engine replacement. some of the auto trans slant 6 didn't have the crank machined for a pilot bearing for a manual trans .the hole was kind of rough and smaller than the new bearing so we drove in the new bearing and honed it with a brake cylinder hone to get the right size hole. you will be surprized how fast a hone will cut brass
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Old 11-30-2003, 05:40 PM
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The bore is supposed to be 1" in the crank, you could turn a brass oilite bushing undersize to fit but it won't have much wall thickness.
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Old 12-01-2003, 04:59 PM
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Thanks guys the bushing that NAPA had was .940" the hole was
.937" I found this out after I had an oilite bearing turned down to
.939" so tha NAPA stock bearing would have done the job
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