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12-12-2010, 06:54 PM
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CC Member
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Join Date: Nov 2009
Location: Clayton,
NC
Cobra Make, Engine: BackDraft Racing 351W bored and stroked to 427 hydraulic full roller
Posts: 54
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Not Ranked
Roller pilot bearing
Well the more I learn about Fords the less I know.. LOL... I had a roller pilot bearing for the Tremec that I put in my Chevy and it has an OD of about 1.125 or so. Then since I have a Tremec in the Cobra I know that this one would not work. So I ordered up one from Summit for a 351W and it is HUGE.. I measured the crank and the OD of the crank for the pilot bearing is about .9735 or 15/16ths. Does anyone know a good part number for the this application? Thanks so much...
Dave
Last edited by Hitch; 12-12-2010 at 07:12 PM..
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12-12-2010, 07:48 PM
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Senior Club Cobra Member
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Join Date: May 2001
Location: Florence,
AL
Cobra Make, Engine: RCR GT 40 & 1966 Fairlane 390 5 speed
Posts: 4,511
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Not Ranked
pilot bearing
call Summit and they will look it up for you.
Dwight
__________________
''Life's tough.....it's even tougher if you're stupid.'' ~ John Wayne
"Happiness Is A Belt-Fed Weapon"
life's goal should be; "to be smarter than inanimate objects"
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12-12-2010, 08:07 PM
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CC Member
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Join Date: Nov 2009
Location: Clayton,
NC
Cobra Make, Engine: BackDraft Racing 351W bored and stroked to 427 hydraulic full roller
Posts: 54
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Not Ranked
Quote:
Originally Posted by Dwight
call Summit and they will look it up for you.
Dwight
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Yeah that's my plan for tomorrow. It was a good day in the garage, I got the Bellhousing plate bolted up, the water pump attached, the headers polished up, the engine primed, pullies installed, etc.. I was just hoping to get the pilot bearing installed. I put the motor together last weekend and was hoping to put it in next weekend. I'm going to go to CarQuest in the morning to see if my guy can help me out. Thanks.
Dave
Last edited by Hitch; 12-12-2010 at 08:10 PM..
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12-13-2010, 04:15 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Is this an aftermarket crankshaft or a factory crank?
That 15/16" dimension sounds small...if I remember right, the OD of the bushing/bearing should be around 1-3/8".
I can get you a RAM part number if you can give the measurement.
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12-13-2010, 06:24 AM
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CC Member
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Join Date: Nov 2009
Location: Clayton,
NC
Cobra Make, Engine: BackDraft Racing 351W bored and stroked to 427 hydraulic full roller
Posts: 54
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Not Ranked
Brent, thanks. This is not a factory setup as the block is a SVO 351W block with Cleveland mains. There was a roller pilot bearing in there that I removed and didn't think much of it when I removed it a few months ago. The measurement is .9725 or 15/16. I have two Chevrolet roller pilot bearings sitting on the shelf but they are to big at about 1.125. This build has been a pain. LOL. Thank you for your help.
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12-13-2010, 06:55 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Let me look through the catalog again.
Keep in mind that 15/16" is .9375"....is your first measurement with a caliper?
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12-13-2010, 07:01 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Looked through the catalog which includes bearings/bushings for Ford, Chevy, Jeep, etc. and couldn't find anything with that OD. I build a lot of engines that use the Cleveland crankshaft and they all require the same SBF bearing/bushing. I usually use the Ford Racing bearing or a RAM bushing.
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12-13-2010, 08:58 AM
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CC Member
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Join Date: Nov 2009
Location: Clayton,
NC
Cobra Make, Engine: BackDraft Racing 351W bored and stroked to 427 hydraulic full roller
Posts: 54
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Not Ranked
Okay, I'm an idiot.. I've been looking at the crank and the Ford Racing throw out bearing that I have M-7600-A. It appears that when the machine shop removed the throw out bearing they only removed the inner race. So problem solved. LOL
Brent sorry to make you jump through hoops to try and help me. You are a great resource.
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12-13-2010, 09:14 AM
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CC Member
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Join Date: Jul 2005
Location: Virginia Beach, Va & Port Charlotte, Fl.,
Posts: 2,291
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keep the pilot bearing, replace the machine shop... 
__________________
Too many toys?? never!
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12-13-2010, 10:03 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Quote:
Originally Posted by Hitch
Okay, I'm an idiot.. I've been looking at the crank and the Ford Racing throw out bearing that I have M-7600-A. It appears that when the machine shop removed the throw out bearing they only removed the inner race. So problem solved. LOL
Brent sorry to make you jump through hoops to try and help me. You are a great resource.
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Hey no problem brother.....
Glad you got it figured out, you had me perplexed....LOL |
12-15-2010, 04:49 AM
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CC Member
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Join Date: Nov 2009
Location: Clayton,
NC
Cobra Make, Engine: BackDraft Racing 351W bored and stroked to 427 hydraulic full roller
Posts: 54
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Not Ranked
Got the shell out but had to cut it out as there was no way to get the slide puller fingers behind it. New pilot bearing is now installed and the flywheel is installed as well. I have to order some different bolts for the pressure plate as the ones I have are 5/16 and it appears the bolt holes in the Fidanza flywheel has 8mm holes. Eventually I will have this motor back in.. lol
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