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1938 LaSalle Production - GM Heritage Center

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RODS AND PINS—Cont'd<br />

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

Is wrist pin locked in piston or floating? Floating<br />

Wrist pin clearance<br />

DETAILED SPECIFICATIONS-Confd<br />

0004 press at one end<br />

.0000 clearance other<br />

end<br />

Wrist pin hole finish Diamond bore<br />

Connecting rod length, center to center 8¾"<br />

Connecting rod material<br />

#1035 steel<br />

Connecting rod weight, ounces 37.472<br />

Crankpin journal diameter and length 2.460* x 2½"<br />

Connecting rod bearing material<br />

#1010 steel backed<br />

babbitt<br />

Connecting rod bearing clearance 0015"<br />

Connecting rod bearing end play 003-.006"<br />

Connecting rod bearing poured, spun or separate Separate<br />

Rods and pistons removed from<br />

Above<br />

CRANKSHAFT<br />

Vibration dampener used<br />

No<br />

Crankshaft counterweights used, No. of 6<br />

Torsional vibration dampener type None<br />

Bending vibration dampener type None<br />

Which main bearing takes thrust? <strong>Center</strong> (#2)<br />

Crankshaft end play 001-.005"<br />

Main bearing material<br />

Br. or st. backed bab.<br />

Main bearing clearance 0015"<br />

Main bearing type<br />

Slip-in<br />

No. 1 main bearing journal, diameter & length.. 2½" x 1½"<br />

No. 2 main bearing journal, diameter & length.. 2½* x 1½"<br />

No. 3 main bearing journal, diameter & length.. 2½" x %"<br />

No. 4 main bearing journal, diameter & length..<br />

No. 5 main bearing journal, diameter & length..<br />

No. 6 main bearing journal, diameter & length..<br />

No. 7 main bearing journal, diameter & length..<br />

No. 8 main bearing journal, diameter & length..<br />

No. 9 main bearing journal, diameter & length..<br />

Cadillac Sixty<br />

Cadillac V-8<br />

Floating<br />

.0004 press fit one end<br />

.0000 clearance other<br />

end<br />

Diamond bore<br />

m*<br />

#1035 steel<br />

37.472<br />

2.460" x 2½"<br />

#1010 steel backed<br />

babbitt<br />

.0015"<br />

.003-.006"<br />

Separate<br />

Above<br />

Yes<br />

6<br />

Laminated springs<br />

Flywheel<br />

<strong>Center</strong> (#2)<br />

.001-.005"<br />

Br. or st. backed bab.<br />

.0015"<br />

Slip-in<br />

2½" x 1½"<br />

2½" x 1½"<br />

Cadillac<br />

Fleetwood<br />

Floating<br />

.0004 press fit one end<br />

.0000 clearance other<br />

end<br />

Diamond bore<br />

8¾"<br />

#1035 steel<br />

37.472<br />

2.460" x 2½"<br />

#1010 steel backed<br />

babbitt<br />

.0015"<br />

.003-.006"<br />

Separate<br />

Above<br />

Yes<br />

6<br />

Laminated springs<br />

Flywheel<br />

<strong>Center</strong> (#2)<br />

.001-.005"<br />

Br. or st. backed bab.<br />

.0015"<br />

Slip-in<br />

Cadillac<br />

Sixteen<br />

Locked in rod<br />

.00035" clearance<br />

Diamond bore<br />

#1340 steel<br />

24,528<br />

2"x 1M"<br />

#1010 steel backed<br />

babbitt<br />

.0015"<br />

.0045-.0075"<br />

Separate<br />

Above<br />

Yes<br />

8<br />

Rubber<br />

None<br />

<strong>Center</strong> (#5)<br />

Steel backed babbitt<br />

.0015"<br />

Slip-in<br />

2^"xH< 6<br />

"<br />

2Wx\%'<br />

2V2"xlW<br />

2½" x 1½"<br />

2½"* 2½'

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