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1938 LaSalle Production - GM Heritage Center

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DETAILED SPECIFICATIONS-Cont'd<br />

TIMING CHAIN<br />

<strong>LaSalle</strong><br />

M<br />

Timing chain make<br />

orse „ o c o o<br />

„<br />

Timing chain model<br />

Type^C #3682-R<br />

Timing chain length, inches<br />

23½<br />

Timing chain, number of links<br />

Timing chain, width<br />

62<br />

1½ side guide<br />

Timing chain, pitch<br />

W<br />

Timing chain adjustment<br />

None<br />

Cadillac Sixty<br />

Cadillac V-8<br />

Morse<br />

Type C #3682-R<br />

23½*<br />

1½" side guide<br />

None<br />

Cadillac<br />

Fleetwood<br />

Morse<br />

Type C #3682-R<br />

23¼'<br />

62<br />

1¼" side guide<br />

%'<br />

None<br />

Cadillac<br />

Sixteen<br />

Morse<br />

Type C 13682-R<br />

23½'<br />

62<br />

1½* side guide<br />

V%<br />

None<br />

VALVES<br />

Intake valve head actual overall diameter 1.876-1.886*<br />

Intake valve angle of seat 45°<br />

Insert used?<br />

No<br />

Valve seat cooled by<br />

Directed water<br />

circulation<br />

Intake valve stem to guide clearance 0023'<br />

Intake valve lift 335*<br />

Intake valve spring pressure and length<br />

with valve closed<br />

66 lbs.-1.926"<br />

with valve open 145 lbs.-1.581 *<br />

Is tappet clearance automatically adjusted?— Yes<br />

Exhaust valve head actual overall diameter— 1.628-1.636*<br />

Exhaust valve angle of seat<br />

45 degrees<br />

Insert used?<br />

Valve seat cooled by<br />

No<br />

Directed water<br />

circulation<br />

Exhaust valve stem to guide clearance 0033"<br />

Exhaust valve lift 345"<br />

Exhaust valve spring pressure and length<br />

with valve closed 66#-1.926*<br />

with valve open 145#-1.581"<br />

Is tappet clearance automatically adjusted?— Yes<br />

1.876-1.886"<br />

45°<br />

No<br />

Directed water<br />

circulation<br />

.0023*<br />

.335"<br />

66 lbs.-1.926"<br />

145 lbs.-l.581"<br />

Yes<br />

1.626-1.636*<br />

45 degrees<br />

No<br />

Directed water<br />

circulation<br />

.0033"<br />

.345*<br />

661-1.926'<br />

145#-1.581*<br />

Yes<br />

1.876-1.886*<br />

45°<br />

No<br />

Directed water<br />

circulation<br />

.0023*<br />

.335"<br />

66 lbs.-1.926"<br />

145 lbs.-1.581"<br />

Yes<br />

1.626-1.636"<br />

45 degrees<br />

No<br />

Directed water<br />

circulation<br />

.0033'<br />

.345"<br />

66#-1.926"<br />

1451-1.581'<br />

Yes<br />

1.495-1.505"<br />

45°<br />

No<br />

Directed water<br />

circulation<br />

.0023"<br />

.290"<br />

49 lbs.-l.8125"<br />

93.5 lbs.-l.5225*<br />

Yes<br />

1.370-1.380'<br />

45 degrees<br />

No<br />

Distributing tube<br />

.0033"<br />

.302"<br />

49#-1.8125"<br />

95.51-1.510"<br />

Yes

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