C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Main bearing ?

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Old 11-22-2014, 04:15 PM
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just joe 2
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Default Main bearing ?

After getting my crankshaft polished. I plastgaged the main bearings. The results with .001 undersize bearings are.
1st 2nd 3rd 4th 5th
.002 .002 .002 .002 .003
FSM specs are.
1st 2,3,4 5th
.0008-.002 .0011-.0023 .0017-.0032
I realize this is with in specs. My ? is should I drop down to .002 undersize and tighten the clearence. Or go with the .001 under.
Thanks Joe
Old 11-22-2014, 07:18 PM
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bjankuski
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Originally Posted by just joe 2
After getting my crankshaft polished. I plastgaged the main bearings. The results with .001 undersize bearings are.
1st 2nd 3rd 4th 5th
.002 .002 .002 .002 .003
FSM specs are.
1st 2,3,4 5th
.0008-.002 .0011-.0023 .0017-.0032
I realize this is with in specs. My ? is should I drop down to .002 undersize and tighten the clearence. Or go with the .001 under.
Thanks Joe
Keep the .001, you are fine.



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