Rally II Wheel Codes
Q: Rally II Wheel Codes
Does someone know the correct codes for Rally Rims? Specifically, I heard there was a different code for rims on drum versus disc.
A: Check out the Classic Pontiac Server web site: http://www.pontiacserver.com/wheels.html It is a fairly comprehensive page dedicated to pontiac rims and codes. Another site with good information about all the codes on a rim: http://www.wallaceracing.com/rally-wheel-date-code.htm
A: Parts book published in 1971 says 1967 used JA for disc and JC for drums 68 was JC for all. Try and figure this one out. All the parts for disc were the same for 1967 and 1968 so what made the difference I don’t know. A-body was just as confusing.
| Application | Size | Style | Bolt Circle Diam | Code | GM Part Nm |
|---|---|---|---|---|---|
| 1967 Firebird | 14×6 | Plain Steel | 4.75″ | ||
| 1967 Firebird | 14×6 | Rally I | 4.75″ | JB | 9787860 |
| 1967 Firebird w/Disc Brakes | 14×6 | Rally II | 4.75″ | JA | 525708 |
| 1967 Firebird w/Drum Brakes | 14×6 | Rally II | 4.75″ | JC | 546495 |
| 1968 Firebird | 14×6 | Plain Steel | 4.75″ | HG HK | |
| 1968 Firebird | 14×6 | Rally II | 4.75″ | JC | 546495 |
| 1969 Firebird | 14×6 | Plain Steel | 4.75″ | ||
| 1969 Firebird | 14×6 | Rally II | 4.75″ | JC | 546495 |
| 1969 Firebird | 14×7 | Plain Steel | 4.75″ | 362052 | |
| 1969 Firebird | 14×7 | Rally II | 4.75″ | JK | 525709 |
The 1968 Rally II had the wheel rim code on outside of the rim just next to the valve stem (see picture below):
For the 1968 Rally II, there were codes on the inside of the rim (flat part that connects both outside and inside of rim) which included the date code, plant code, inner wheel code (JJ), and size (14 x 6).
Key Words: Ralley II, Rally II, Rallye II, Wheel Codes, Rim Date Codes
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I have a 67 with an Ames performance disc conversion for 14 inch wheels ( front) and was able to keep the same spindles. Do you think JC codes will work all around? Have a chance to buy a set.