NUMBER: 67-20
DATE: Feb. 7, 1967
GROUP: Engine
SUBGROUP: Cylinder Blocks

MODELS: All Models Equipped With 1600cc Engines
SUBJECT: 1600cc Cylinder Blocks

All replacement 1600 cc. cylinder blocks will have the crankshaft main bearing bores the same diameter as the 1725 cc. units.

When fitting crankshafts and replacement bearings to these cylinder blocks (Part No. 5220965) thicker section main bearing inserts must be used, together with special thrust washers. The part numbers of the bearing inserts and thrust washers are as follows:

MAIN BEARING INSERTS		PART NUMBER	QTY.
Standard			5114980		6
.020 Undersize			5114981		6
.040	"			5114982		6
.060	"			5114983		6

THRUST WASHER
Standard			5114986		1 pair
+ .005				5114987		1 pair
1 Standard & 1 .030 oversize
(Special service use only)	5114988		1 pair

NOTE: All running clearances, torque loadings, etc. remain as specified for the standard 1600 c.c. unit.

T.H. Bullard
Manager - Service & Parts