30-30 again
10-31-2006, 08:57 AM
#1
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30-30 again
i have an old cam marked gm 22-3899347 is this the 30-30 used with solid lifters? i see that there is a 340346 number also,which is the 30-30 used with solid lifters?
10-31-2006, 12:40 PM
#3
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Originally Posted by voltal
i have an old cam marked gm 22-3899347 is this the 30-30 used with solid lifters? i see that there is a 340346 number also,which is the 30-30 used with solid lifters?
10-31-2006, 01:28 PM
#4
Instructor
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Originally Posted by JohnZ
Check the casting number again - the only Chevy cam I show with "347" as the last three digits of the casting number is 3849347, which was finish-machined as P/N 3849346, the solid-lifter "30-30" cam.
10-31-2006, 04:23 PM
#5
Drifting
it was common to see one Higher number at the end of the camshaft...
at least on the 30-30...
i have no idea why.,, but i've had 3 GM 30-30 cams and they were all stamped 3849347.
I thought i had the wrong shaft in my car twice LOL
Aaron
at least on the 30-30...
i have no idea why.,, but i've had 3 GM 30-30 cams and they were all stamped 3849347.
I thought i had the wrong shaft in my car twice LOL
Aaron
11-01-2006, 12:21 PM
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Originally Posted by voltal
3849347 is the number on the cam, also gm22, is this the real deal?30-30 solid lifters? then what is 3849346? thanks billy
11-01-2006, 12:52 PM
#7
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Originally Posted by JohnZ
3849347 is the CASTING number for the core; after machining, the dowel was added at the front, so the finished PART number for the assembly (cam and dowel) was 3849346. GM used a unique raw casting for each different cam to minimize the amount of metal removal required during machining; the engine plants machined 300 cams per hour.
