Give opinions on these rod and main bearing clearances.
07-27-2008, 06:21 PM
#1
Give opinions on these rod and main bearing clearances. Mains:
1) .0027
2) .0026
3) .0025
4) .0029
5) .0026
Rods:
1) .0023
2) .0024
3) .0023
4) .0024
5) .0024
6) .0025
7) .0025
8) .0024
Seems alittle loose to me compared to some things I have been reading. Should I be running thicker oil than 10-30 with a loose motor like this? Thanks for the input.
1) .0027
2) .0026
3) .0025
4) .0029
5) .0026
Rods:
1) .0023
2) .0024
3) .0023
4) .0024
5) .0024
6) .0025
7) .0025
8) .0024
Seems alittle loose to me compared to some things I have been reading. Should I be running thicker oil than 10-30 with a loose motor like this? Thanks for the input.
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07-29-2008, 07:31 PM
#8
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Mains:
1) .0027
2) .0026
3) .0025
4) .0029
5) .0026
Rods:
1) .0023
2) .0024
3) .0023
4) .0024
5) .0024
6) .0025
7) .0025
8) .0024
Seems alittle loose to me compared to some things I have been reading. Should I be running thicker oil than 10-30 with a loose motor like this? Thanks for the input.
1) .0027
2) .0026
3) .0025
4) .0029
5) .0026
Rods:
1) .0023
2) .0024
3) .0023
4) .0024
5) .0024
6) .0025
7) .0025
8) .0024
Seems alittle loose to me compared to some things I have been reading. Should I be running thicker oil than 10-30 with a loose motor like this? Thanks for the input.
07-29-2008, 08:54 PM
#9
Hot idle is around 32 and cold is around 45 and cold driving goes to almost
60. Found that I have a bad sending unit. Used a mechanical gauge to get these readings. Seems all is good, I would like alittle more idle psi but running a vac pump does cause a lower psi from what I have been told. Just want to make sure all was good for atleast the rest of the season. Come winter I plan on pulling it apart for the solid roller setup and then have the bottom end gone over for peice of mind. If there was to be a problem I would just pull apart now and get ready for the winter. But all looks good, I appreciate all the help guys.
07-29-2008, 08:55 PM
#10
That is not an abnormally loose engine. Are you using a stock aluminum block? If so, your main clearances are just fine since a big cube motor making a lot of power will move that block around quite a bit and if you don't give it a little more room to move, it will wipe out the mains.
GM LS7 block.
07-31-2008, 09:55 AM
#11
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That is not an abnormally loose engine. Are you using a stock aluminum block? If so, your main clearances are just fine since a big cube motor making a lot of power will move that block around quite a bit and if you don't give it a little more room to move, it will wipe out the mains.
08-03-2008, 06:32 AM
#12
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08-03-2008, 02:02 PM
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