Main Bearing Selection
Crankshaft Bore Code Location
1. Numbers or letters or bars have been stamped on
the end of the block as a code for the size of each of
the five main journal bores. Write down the crank
bore codes. lf you can't read the codes because of
accumulated dirt and dust, do not scrub them with
a wire brush or scraper. Clean them only with
solvent or detergent.
No. 1 JOURNAL
IPULLEY END}
No. 5 JOURNAL
{FLYWHEEL END)
Main Journal Code Location
2. The main journal codes a{e stamped on the
cra n kshaft.
No. 1 JOURNAL
No. 5 JOURNAL
(cont'd)
7-7