1928 Cadillac - GM Heritage Center
1928 Cadillac - GM Heritage Center
1928 Cadillac - GM Heritage Center
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ENGINE 67<br />
Subject<br />
<strong>Cadillac</strong><br />
341<br />
LaSalle<br />
303-328<br />
Specifications<br />
Remarks<br />
End play in spiral drive :gear. A<br />
Thickness of pump<br />
PRESSURE REGULATOR<br />
cover<br />
Clearance between plunger<br />
Normal pressure<br />
Spring free length<br />
Spring compression<br />
A<br />
A»<br />
A*<br />
A<br />
A<br />
A<br />
A<br />
A<br />
B<br />
B<br />
B<br />
B<br />
B<br />
B<br />
B<br />
B<br />
303<br />
303<br />
3031<br />
303<br />
303<br />
303<br />
303<br />
303<br />
303<br />
328<br />
328<br />
328<br />
328<br />
328<br />
328<br />
328<br />
328<br />
New limits, .005—.OI5 in.<br />
Worn limit, not over .020 in.<br />
.009—011 in.<br />
By-pass adjusting screw<br />
No adjustment necessary<br />
New limits, .00.3-.006 in.<br />
Worn limit, not over .008 in.<br />
5-10 lbs. at idling speed<br />
20 lbs.<br />
1*4 in.<br />
2 lb. at 1A in.<br />
Before engine unit 3-109.79 on 341-A<br />
cars and 2-17542 on 303 cars.<br />
Beginning with engine unit 3-10979 on<br />
341-A cars and 2-17542 on 303 cars.<br />
PISTONS AND CYLINDERS<br />
Cylinder bore, out of round.. .<br />
Piston out of round<br />
Piston clearance at top land...<br />
Limits on cylinder<br />
bore,<br />
A<br />
A<br />
A<br />
A<br />
A<br />
B<br />
B<br />
B<br />
B<br />
B<br />
303<br />
303<br />
303<br />
303<br />
303<br />
328<br />
328<br />
328<br />
328<br />
328<br />
New limit, .0005 in.<br />
Worn limit, not over .002 in.<br />
New limit, .0005 in.<br />
Worn limit, not over . 002in.<br />
.015 in. minimum<br />
New limit, .0025 in.)<br />
New limit, .003 in. J<br />
3.3125—3 3145 in )<br />
3.125—3.127 in. •<br />
3.2500—3 2520 in.<br />
See note 5.<br />
The four bores of the same cylinder<br />
block are held within .0005 in. of each<br />
Limits on cylinder<br />
Limits on pistons—<br />
No 2<br />
No 3<br />
No. 4<br />
No. 2<br />
No. 3<br />
No. 4<br />
No. 5<br />
No. 6<br />
No. 7<br />
bore.<br />
No. 2<br />
No. 3<br />
No. 4 ..<br />
Oversize—<br />
+.005<br />
+ 010<br />
+ .015<br />
A<br />
A<br />
A<br />
A<br />
A<br />
A<br />
A<br />
A<br />
B<br />
B<br />
B<br />
B<br />
B<br />
B<br />
B<br />
B<br />
303<br />
303<br />
303<br />
303<br />
303<br />
303<br />
303<br />
303<br />
303<br />
303<br />
303<br />
328<br />
328<br />
328<br />
328<br />
328<br />
328<br />
328<br />
328<br />
3.309—3,3095 in )<br />
3.3095—3.310 in.<br />
3.310—3.3105 in.<br />
3.3105—3.311 in.<br />
3.1222—3.1227 in.<br />
3.1227—3.1232 in.<br />
3.1232—W237 in.<br />
3.1237—3.1242 in.<br />
•<br />
3.1242—3.1247 in.<br />
3.1247—3.1252 in.<br />
3.1252—3.1257 in.<br />
3.2455—3.2460 in.<br />
3.2460—3.2465 in.<br />
3.2465—3.2470 in.1<br />
3.2470—3.2475 in.)<br />
3.314—3.315 in. ]<br />
J.1272—3.1288 in. [<br />
3.2505—3.2515 in. I<br />
3.319—3.320 in.<br />
3.1322—3.1332 in. f<br />
3.2555—3 2565 in.]<br />
3.324—3.325 in. 1<br />
3.1372—3.1382 in. \<br />
3.2605—3.2615 in.<br />
Oversize Cylinders are honed to fit<br />
the pistons with which they are<br />
supplied.<br />
Marked Ul, U2, U3 and U4, respectively.<br />
First type with Ji in. piston pin hole<br />
marked PI, P2, etc. Second type with<br />
Y% in. piston pin hole marked VI, VI,<br />
Marked AA1, AA2, etc.<br />
Marked + 005<br />
Marked +.010<br />
Marked +.015
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