Re: Crank tight
[Re: Wirenut]
#3030817
04/05/22 06:53 AM
04/05/22 06:53 AM
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Joined: Mar 2006
Posts: 9,973 MI, usa
dvw
master
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master
Joined: Mar 2006
Posts: 9,973
MI, usa
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Cap is in the correct location? Not swapped or backward? Bearing isn't stamped for undersize? I know when mine spun the bearing and broke the rod, it bent the crank .010" when measured at #3 journal. Doug
Last edited by dvw; 04/05/22 06:55 AM.
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Re: Crank tight
[Re: dvw]
#3030819
04/05/22 07:18 AM
04/05/22 07:18 AM
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Joined: May 2016
Posts: 630 Ct
Wirenut
OP
mopar
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OP
mopar
Joined: May 2016
Posts: 630
Ct
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Cap is in the correct location? Not swapped or backward? Bearing isn't stamped for undersize? I know when mine spun the bearing and broke the rod, it bent the crank .010" when measured at #3 journal. Doug Caps are correct. The lower shell is stamped .010 but in all honesty I didn’t check the others. Will do .
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Re: Crank tight
[Re: Wirenut]
#3030829
04/05/22 08:22 AM
04/05/22 08:22 AM
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Joined: Jan 2003
Posts: 13,492 Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,492
Marion, South Carolina [><]
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Swap the bearing from another journal and see if the problem is still there. Very well could be a bad bearing.
CHIP '70 hemicuda, 575" Hemi, 727, Dana 60 '69 road runner, 440-6, 4 speed, Dana 60 '71 Demon 340, no drivetrain, on blocks behind the barn '73 Chrysler New Yorker, 440, 727, 8.75 '90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt '06 GMC 2500HD LBZ Duramax
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Re: Crank tight
[Re: jwb123]
#3030893
04/05/22 12:14 PM
04/05/22 12:14 PM
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Joined: Jan 2003
Posts: 14,531 So. Burlington, Vt.
fast68plymouth
I Live Here
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I Live Here
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Posts: 14,531
So. Burlington, Vt.
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I’d pull all the bearing shells out of the block except 1 and 5.
Then check for journal runout.
If the crank checked okay, then I’d remove the crank/bearings and torque up the caps and check main bore sizing with a dial dial bore gauge.
Or you can pull everything out and do those checks in the reverse order.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123 Dealer for Comp Cams/Indy Heads
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Re: Crank tight
[Re: fast68plymouth]
#3030903
04/05/22 12:34 PM
04/05/22 12:34 PM
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Joined: Jan 2004
Posts: 4,632 Motor City
6PKRTSE
master
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master
Joined: Jan 2004
Posts: 4,632
Motor City
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I have had better luck mixing King coated bearings in my builds over any Sealed Power/Federal Mogul or Clevite bearings. Not knocking any of the brands as I use all 3. King Bearings however have given me the clearance desired that I couldn't get out of the other at times.
1963 Belvedere 440 Max Wedge Tribute 1970 Charger R/T S.E. 440 Six Pack 1970 Challenger R/T, 528 Hemi 1970 Charger 500 S.E. 440 4 BBL 1970 Plymouth Road Runner 383 1974 Chrysler New Yorker 440 1996 2500 RAM 488 V-10 4X4 2004 3500 Dually Cummins 4x4 2012 Challenger R/T Classic.
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Re: Crank tight
[Re: Wirenut]
#3033433
04/14/22 08:56 AM
04/14/22 08:56 AM
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Joined: Jan 2003
Posts: 13,492 Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,492
Marion, South Carolina [><]
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I'd be narrowing it down to which bearing or bearings specifically were causing it to be tight. Then look for burrs on the caps or block. Even a small burr will cause a problem.
CHIP '70 hemicuda, 575" Hemi, 727, Dana 60 '69 road runner, 440-6, 4 speed, Dana 60 '71 Demon 340, no drivetrain, on blocks behind the barn '73 Chrysler New Yorker, 440, 727, 8.75 '90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt '06 GMC 2500HD LBZ Duramax
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Re: Crank tight
[Re: an8sec70cuda]
#3033500
04/14/22 12:06 PM
04/14/22 12:06 PM
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Joined: May 2016
Posts: 630 Ct
Wirenut
OP
mopar
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OP
mopar
Joined: May 2016
Posts: 630
Ct
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I'd be narrowing it down to which bearing or bearings specifically were causing it to be tight. Then look for burrs on the caps or block. Even a small burr will cause a problem. Any bearing or combination of bearings (the new kings) in the number 2 locks it up at full torque. Even without any main caps except number 2 .
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Re: Crank tight
[Re: FastmOp]
#3033501
04/14/22 12:07 PM
04/14/22 12:07 PM
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Joined: May 2016
Posts: 630 Ct
Wirenut
OP
mopar
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OP
mopar
Joined: May 2016
Posts: 630
Ct
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Hmm . It’s a 20 year old mega block . Hundreds of passes Thanks
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Re: Crank tight
[Re: dvw]
#3033613
04/14/22 04:47 PM
04/14/22 04:47 PM
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Joined: Jan 2003
Posts: 1,622 westerly, ri. usa
440lebaron
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,622
westerly, ri. usa
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you mentioned "hard on bearings" most likely line bore is off
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