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10-11-2005 05:03 PM #1
main bearings and rod bearings: HELP PLEASE!!
Hi,
i wana figure out if the main and rod journals on a forged 427 crank have been cut down or if they're standard. The upper main bearing has a symbol (attached), and next to the symbol it has the numbers 5203. The lower has the same symbol and the numbers 5202. and nothing else is stapmed on them.
The rod bearings have the same symbol and the numbers 5177 stamped on them...and nothing else.
Is my crank std., 10 under,20 under?
thanks for your help
You're welcome Mike, glad it worked out for you. Roger, it's taken a few years but my inventory of excess parts has shrunk a fair bit from 1 1/2 garage stalls to about an eight by eight space. ...
1968 Plymouth Valiant 1st Gen HEMI