A Studebaker Reference Guide

How to identify cylinder head compression ratios - Studebaker Engines

Engine type Part # Casting # Location Ratio Gasket
"L" Head 1549218 1549218 Right Center 8.0-1  
"L" Head 1548294 1548294 Right Center 7.0-1  
OHV Head 1561582 none none 8.0-1 1558948
V8 537571 537555 Outside Center 8.0-1
8.5-1
535982
1545072
V8 536097 535976 Outside Center 7.5-1  
V8 536790 Use 1557580   7.0-1  
V8 1555295 1555294 Outside Center 8.25-1 1545072
V8 1557580 1557582 Outside Center 7.0-1
7.5-1
535982
1545072
V8 15557571 1557570 Outside Center 9.5-1
10.25-1
535982
1545072
V8 1557579 1557581 Outside Center 8.0-1
8.5-1
535982
1545072
OHV 1561582 none none 8.5-1 1550608
Note: Gasket 535982 is .050 thick and gasket 1545072 is .020 thick

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