Buick Straight Eight Head Gasket Interchange

Stock Buick F-263 Head/Gasket Swaps
Engine Block	Cylinder Head	Head Gasket	Actual C/R	Nominal C/R	Advertised C/R
1951-52	1951-52	0.015	7.20	7.2	7.2
1951-52	1951-52	0.050	6.86	6.9	6.9
1951-52	1951-52	0.075	6.67	6.7	6.6
1951-52	1953	0.015	7.52	7.5	---
1951-52	1953	0.050	7.19	7.2	---
1951-52	1953	0.075	6.98	7.0	---
---
1953	1953	0.015	7.55	7.6	7.6
1953	1953	0.050	7.22	7.2	---
1953	1953	0.075	7.01	7.0	7.0
1953	1951-52	0.015	7.18	7.2	---
1953	191-52	0.050	6.89	6.9	---
1953	1951-52	0.075	6.70	6.7	---
Milling the head .030" gives an additional .25 C/R