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09-14-2009, 03:06 AM
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CC Member
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Join Date: Mar 2001
Location: E BRUNSWICK N.J. USA,
Posts: 3,841
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Not Ranked
Sorry Pat not my cars and trucks
patrickt Sorry pat, not on my own fleet of toys. I have broken about 4-5 discs with either schattering the hub in the center or breaking the springs in the hub housing. My FE motor has the smallest bolts for the PP in any of my stuff. I have repaired the disc once already.
IMO if you are shearing bolts, as you know there are only 3 ways I can think of doing this, ABUSE, abusey, AH CRAP ABUSE.  I don't know why your bolts are coming loose but I am running a higher torque than you, I will have to check the numbers but it's like 38-45 ft pounds with the red. I do run a tap through all the holes before installing the bolts. Maybe this makes a differents. I also torque down the pressure plate like a wheel being installed on a car with a star pattern of 180 degrees per bolt. I have stopped with the 5,000 rpm holeshots and blowing the hell out of my equipment. 30 years ago, race parts where cheap along with trannies, rearends and clutches. Today a junk center section of a Jag with an open carrier is $6-800 dollars. No parts but the center. I have been lucky at swap meets and picked up some parts cheap. Major Destructor has retired from his stupid ways.
Pat I have seen alot of breakage and with people who I help and want to listen, I tell all of them to OVER BUILD your car. Bests parts, fasteners, motors, tranny and rearends. If they can't afford them then wait 2 months, put it on plastic, but get the best stuff you can. Maybe this is why the bolts have not sheared. I am not worried, I have a Lakewood.   Rick L.
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09-14-2009, 03:12 AM
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CC Member
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Join Date: Mar 2001
Location: E BRUNSWICK N.J. USA,
Posts: 3,841
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Not Ranked
Have you looked at running Allen head grade 8 bolts
elmariachi Jim Grade 8 Allen head bolts will work if you don't like 6,8 or 12 point bolts. I use them on my bellhousing to block in my ERA They give you more room to install and remove with a socket or wrench that has been cut down. Pat does have the right ideas about marking bolts and nuts for checking during maintainance look overs. Rick L.
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09-14-2009, 06:20 AM
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CC Member
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Join Date: Jul 2008
Location: Driftwood,
TX
Cobra Make, Engine: Contemporary Cobra, 427 side oiler
Posts: 1,850
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Not Ranked
Quote:
Originally Posted by RICK LAKE
elmariachi Jim Grade 8 Allen head bolts will work if you don't like 6,8 or 12 point bolts. I use them on my bellhousing to block in my ERA They give you more room to install and remove with a socket or wrench that has been cut down. Pat does have the right ideas about marking bolts and nuts for checking during maintainance look overs. Rick L.
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When I rechecked them, I tick-marked them with a silver Sharpie. We'll see.
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09-14-2009, 09:53 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,018
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Not Ranked
Quote:
Originally Posted by elmariachi
When I rechecked them, I tick-marked them with a silver Sharpie.
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Ahh, I did the same. You can see how careful I was in making the black mark.

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09-14-2009, 09:56 AM
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CC Member
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Join Date: Mar 2001
Location: E BRUNSWICK N.J. USA,
Posts: 3,841
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Not Ranked
It's a weight to balance the pressure plate
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09-14-2009, 10:02 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,018
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Not Ranked
Quote:
Originally Posted by RICK LAKE
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Just checking to make sure you were still awake. 
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09-14-2009, 12:54 PM
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CC Member
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Join Date: Jul 2008
Location: Driftwood,
TX
Cobra Make, Engine: Contemporary Cobra, 427 side oiler
Posts: 1,850
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Not Ranked
Quote:
Originally Posted by patrickt
Just checking to make sure you were still awake. 
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I am convinced Rick never sleeps, and consumes a LOT of caffeine.
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09-14-2009, 09:31 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,018
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Not Ranked
Quote:
Originally Posted by RICK LAKE
Pat, I have seen alot of breakage and with people who I help and want to listen, I tell all of them to OVER BUILD your car. Bests parts, fasteners, motors, tranny and rearends.
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Alright Mr. Rick, take a look below, this shot does not show the PP bolt, but it does happen to show a big chunk of metal welded on my pretty orange Centerforce Pressure Plate. What do you make of that? I guess it's just a cheap-a$$ blemished one-off with a repaired hole, huh?

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