Engine Number - The Rockette engine unit number on F-85 models is stamped on a vertical pad on the front of the right (passenger's side) cylinder head. All F-85 engines are made of aluminum and have a displacement of 215 cubic inches. F-85 engine unit starting numbers begin at S100001.

Engine numbers are production sequence numbers only. Engine numbers are decoded as follows:

Prefix

Number

Suffix

Color

Carburetor

H.P.

Compression

Usage

S

100001
 

Aluminum

2 bbl

155

8.75:1
Standard F-85

S

100001

G

Aluminum

4 bbl

185

10.25:1
Standard Cutlass
Optional F-85 (W-1)

S

100001

T

Aluminum

1 bbl, Turbocharged

215

10.25:1
Jetfire only

S

100001

E

Aluminum

2 bbl

N.A.

8.25:1
F-85 Export

S

100001

H

Aluminum

4 bbl

N.A.

8.25:1
Cutlass Export