That is when I was born.... fart

Originally Posted By Cab_Burge
When I first started drag racing at the tracks in SO CA in the ealry 1970s avaition gas was offered in three grades I can remember, 80/85 octane, 100/115 and 115 /145 octane. The lower number represented the rich octane rating on take off and the upper number represented the lean rating. The 115/145 was lowered later in the late 1970s to 115/135 and finally drop all together once the airlines stop using the older piston driven airliners whiney


1941 Taylorcraft
1968 Charger
1994 Wrangler
1998 Wrangler
2008 Kia Rio
2017 Jetta

I didn't do 4 years and 9 months of Graduate School to be called Mister!