aaronk785
Well-Known Member
I just received my speed pro full groove main bearings for my 340. Why are 2 shells groove less. The picture in summit shows this also. The are listed as full groove.
Bearing question
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aaronk785
Well-Known Member
5095 MA Sorry. sealed power
Picture shows two of the lower bearing not fully grooved.....
Rear main fully grooved...Thrust bearing full grooved....
From Application page.....A-Series aluminum bearings 3.530" max. flange OD.... Pos. 1 bearing full grooved
Pos 1 bearing fulling grooved...
I know 318/340 have same main bearing size...but looking at Summit ...they only list it for a 318......dont know why
fitting 1979 to 2003 5.2L engine
Rear main fully grooved...Thrust bearing full grooved....
From Application page.....A-Series aluminum bearings 3.530" max. flange OD.... Pos. 1 bearing full grooved
Pos 1 bearing fulling grooved...
I know 318/340 have same main bearing size...but looking at Summit ...they only list it for a 318......dont know why
fitting 1979 to 2003 5.2L engine
Clevite Engine Parts MS-963P Clevite P-Series Main Bearings | Summit Racing
found these fully groove .......
found these fully groove .......
aaronk785
Well-Known Member
Thank you 70. Must have changed something in 79. I've used 318 bearings before in a 340 no problem. Should have stayed with my clevite's.
aaronk785
Well-Known Member
Yes. That's what I usually use. These where just cheaper. The tab on the rear bearing is different on a 318. My block is grooved so I can use either. Thanks for the help.
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