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09-15-2012, 08:48 PM
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#1
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Join Date: Mar 2012
Location: Harrison NJ
Posts: 880
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spun a bearing:(
im truly upset about this but knew it was coming sooner or later.
recommendations on bearings?
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09-15-2012, 09:34 PM
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#2
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11 Second Club
Join Date: Feb 2008
Location: Edison, NJ
Posts: 4,619
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Main? Rod? How are you sure?
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1999 Z28 Convertible. 6 speed swap, wide cowl hood, full hockey stripes, and a whining 10 bolt.
2008 Sierra Vortec Max. 6.2 swapped, headers, Magnaflow catback, GMPP CAI, NHT optioned tow package.
2006 GTO, 11.48 @ 118.3
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09-16-2012, 12:37 AM
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#3
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Join Date: Mar 2012
Location: Harrison NJ
Posts: 880
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the god awful rubbing noise coming from above the oil pan.
not sure if its rod or main hoping to drop the suspension some time this week.
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09-16-2012, 09:18 AM
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#4
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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Why would you drop the suspension to fix a bearing???
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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09-16-2012, 10:39 AM
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#5
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Join Date: May 2010
Location: Brick, NJ
Posts: 1,868
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maybe hes thinking rebuild
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Formerly known as blk95formula
86t/a_ram_air on TGO
2018 Silverado 1500
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09-16-2012, 12:00 PM
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#6
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Join Date: May 2009
Location: Highland Mills, NY
Posts: 1,915
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Quote:
Originally Posted by LTb1ow
Why would you drop the suspension to fix a bearing???
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To pull the motor ?
Unless you know another way of doing bearings in the car ?
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2000 Camaro SS 610rwhp/570rwtq LS2 440, 12 bolt 3.73, tranzilla t56
Last edited by MyFirstZ; 09-16-2012 at 12:01 PM.
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09-16-2012, 12:07 PM
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#7
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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The motor has to come out the bottom in the ls1 cars?? I read on tech that you can pull them out the top but maybe not
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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09-16-2012, 12:19 PM
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#8
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Join Date: May 2009
Location: Highland Mills, NY
Posts: 1,915
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Without getting into preferred methods looks like hes coming out the bottom
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2000 Camaro SS 610rwhp/570rwtq LS2 440, 12 bolt 3.73, tranzilla t56
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09-16-2012, 01:54 PM
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#9
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11 Second Club
Join Date: Feb 2008
Location: Edison, NJ
Posts: 4,619
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Low on oil? What happened?
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1999 Z28 Convertible. 6 speed swap, wide cowl hood, full hockey stripes, and a whining 10 bolt.
2008 Sierra Vortec Max. 6.2 swapped, headers, Magnaflow catback, GMPP CAI, NHT optioned tow package.
2006 GTO, 11.48 @ 118.3
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09-16-2012, 02:02 PM
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#10
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Join Date: Mar 2012
Location: Harrison NJ
Posts: 880
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i like going my comfortable way will be taking plenty of pictures.
there are many arguments with removing from bottom and top.
i wont do either.
ill be removing the pan and swapping one bearing at a time spinning the mains out and spinning them back on.
cummins sells an oil galley screw to rotate the engine to push the old bearing out and the new one in.
Last edited by WSex; 09-16-2012 at 02:23 PM.
Reason: grammar and stuff
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09-16-2012, 02:04 PM
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#11
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Join Date: Mar 2012
Location: Harrison NJ
Posts: 880
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Quote:
Originally Posted by NJ Torque
Low on oil? What happened?
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no always good on oil but have been finding small shavings for over 40k miles.
i sent oil out to lab and brought back material only found in bearings some time ago.
just the constant beating on stock bottom end.
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09-16-2012, 04:46 PM
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#12
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11 second club / Moderator
Join Date: Aug 2004
Location: West Berlin, NJ
Posts: 7,148
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To be doing internal motor work like that, its most likely best to do it out of the car.
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2001 Trans Am WS6 •SLP Loudmouth II •UMI Suspension •12.857 @ 109.57
1996 Trans Am WS6 •Pacesetter Longtubes •Strange 12 Bolt •Spohn Suspension •11.152 @ 123.85
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09-16-2012, 04:52 PM
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#13
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Join Date: Mar 2012
Location: Harrison NJ
Posts: 880
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Quote:
Originally Posted by deadtrend1
To be doing internal motor work like that, its most likely best to do it out of the car.
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i agree but this is my daily and i hate borrowing cars from people.
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09-16-2012, 05:52 PM
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#14
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9 Second Club
Join Date: Dec 2004
Location: Merchantville
Posts: 518
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If a rod bearing spun, that rod will be trashed and the crank will be damaged as well. If it spun a bearing the motor has to come out!
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Twisted Minds Racing
2000 SS M6
9.71 @ 142
Last edited by BarneyMobile; 09-17-2012 at 05:36 AM.
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09-16-2012, 06:02 PM
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#15
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Join Date: Jun 2007
Location: Arm pit of the world... NJ
Posts: 2,673
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Quote:
Originally Posted by BarneyMobile
If a rod bearing spun, that rod will trashed and the crank will be damaged as well. If it spun a bearing the motor has to come out!
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This!
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John
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09-16-2012, 10:00 PM
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#16
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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LS1s are a dime a dozen, why even bother half ass fixing it?
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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09-16-2012, 10:55 PM
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#17
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Join Date: Mar 2012
Location: Harrison NJ
Posts: 880
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Quote:
Originally Posted by LTb1ow
LS1s are a dime a dozen, why even bother half ass fixing it?
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why do you say its half assed.
does everyone drop the motor to change sparkplugs too?
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09-16-2012, 11:50 PM
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#18
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9 Second Club
Join Date: Dec 2004
Location: Merchantville
Posts: 518
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How do you plan checking bearing clearences? As my previous post says, if a rod bearing spun then that rod is no good. It will also damage the rod journal on the crankshaft. If a main bearing spun, then the crank is trashed and the block will need to be machined then fitted for thicker main bearings. Throwing new bearing at a damaged rotating assembly will solve nothing and would definately be half assed. That motor has to come out of the car. Besides, I don't think you gonna be able get the main bearings out without removing the crank.
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Twisted Minds Racing
2000 SS M6
9.71 @ 142
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09-17-2012, 05:55 AM
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#19
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Join Date: Mar 2012
Location: Harrison NJ
Posts: 880
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what would be possible to switch from my ls1 to a 5.3??
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09-17-2012, 07:04 AM
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#20
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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Quote:
Originally Posted by WSex
why do you say its half assed.
does everyone drop the motor to change sparkplugs too?
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Wait, is this a serious thread?
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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09-17-2012, 07:19 AM
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#21
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Lord of the rings / 10 Second Club / Meet Coordinator
Join Date: Aug 2004
Location: Millstone Township, NJ
Posts: 6,353
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Quote:
Originally Posted by WSex
what would be possible to switch from my ls1 to a 5.3??
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I think you would just swap the crank to one with a shorter stroke. No biggie doing it while you are in there. Take some pics and do a write-up on how to do this.
__________________
97 T/A Ram Air Convt
Forever dyno queen / 777rwhp 662 rwtq @ 17lbs / 10.2 @ 140
'24 Corvette Z06
17 Sierra 2500HD Dmax
81 Turbo TA
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09-17-2012, 07:30 AM
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#22
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Join Date: May 2008
Posts: 817
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I dropped the pan to replace some rod bearings on a jeep grand cherokee once, just to see if we could get a few months out of it before it got junked. The crank didn't look awful, threw the new bearings in and it lasted about 20 minutes before the ka klack ka klack ka klack came back. A friend told me he had done it before and had it last up to a year, but I had my doubts hahah.
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|2000 Trans Am|T56 swap|Bolt Ons| Suspension|
Last edited by creeper; 09-17-2012 at 07:31 AM.
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09-17-2012, 07:45 AM
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#23
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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Quote:
Originally Posted by Blackbirdws6
I think you would just swap the crank to one with a shorter stroke. No biggie doing it while you are in there. Take some pics and do a write-up on how to do this.
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What if you installed an LS2 crank, wouldn't a longer throw give you more torque down low to compete with all the TPI motors?
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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09-17-2012, 08:46 AM
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#24
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Lord of the rings / 10 Second Club / Meet Coordinator
Join Date: Aug 2004
Location: Millstone Township, NJ
Posts: 6,353
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Quote:
Originally Posted by LTb1ow
What if you installed an LS2 crank, wouldn't a longer throw give you more torque down low to compete with all the TPI motors?
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I think you are right. You may have to pull the heads to cut the pistons to make sure you don't have any clearance issues with the valves.
__________________
97 T/A Ram Air Convt
Forever dyno queen / 777rwhp 662 rwtq @ 17lbs / 10.2 @ 140
'24 Corvette Z06
17 Sierra 2500HD Dmax
81 Turbo TA
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09-17-2012, 09:06 AM
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#25
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Join Date: Aug 2005
Location: Blackwood, NJ
Posts: 2,295
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I spun 2 rod bearings in my old Firebird. It was my daily driver. I used 3 qts of Lucas oil stabablizer and 2 qts of 20W50 and the knocking went away and I drove the car for 25,000 more miles before I threw a rod!! In that time which was a yr, I found a used motor with 4,000 miles on it that I saved up to get and had it installed. Just a option. Might not be the smartest thing to do but when you got to get to work everyday!
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Jeff
2002 WS6 T/A.. M6..Built 383 TMR tune..461rwhp,458rwtq
2009 G8 GT. Bone stock 13.6@103.. Vararam Intake, GXP Axlebacks, LS2 FRC's
1998 Corvette Convertible, Vararam Intake+Power Duct, Fast 90/90, Ti Axleback..12.8@110
2003 Cobra Convertible 10th Anniversary
http://www.fquick.com/slow-v6
Local car cruise schedule..
http://www.cliffscalendar.com/
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