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: 9,824 MI, usa
dvw
master
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master
Joined: Mar 2006
Posts: 9,824
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: 13,357 Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,357
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, 18 spline 4 speed, Dana 60 '71 Demon, 340, low gear 904, 8.75 '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: 14,492 So. Burlington, Vt.
fast68plymouth
I Live Here
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I Live Here
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Posts: 14,492
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: 4,563 Motor City
6PKRTSE
master
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master
Joined: Jan 2004
Posts: 4,563
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: 13,357 Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,357
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, 18 spline 4 speed, Dana 60 '71 Demon, 340, low gear 904, 8.75 '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: 1,604 westerly, ri. usa
440lebaron
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,604
westerly, ri. usa
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you mentioned "hard on bearings" most likely line bore is off
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