What grade fuel?
cdlongjr
Active Jeeper
- Posts
- 433
- Media
- 14
- Thanks
- 0
- Location
- Newark, De
- Vehicle(s)
- 1983 Jeep CJ-5, 1987 Wrangler YJ, 1974 J-10
The PO old me to use Hi test. I know from my garden tractor pulling days that even with a highly modified engine, I only had to use regular. I'd like to know what grade ya'll are using in a stock AMC 258 i6 / 4.2l . AMC 258 i6 / 4.2l CI.