posted April 18, 2002 03:27 PM
Rangerover i have run the Unocal 108 octane my motor is a 355 10-1 compression last year i ran the Cheveron 92 octane in it with a bottle of 104 octane boost and couldnt tell the the difference the car seemed to have the same amount of power to it and my fuel bill was lower it also ran great on 92 octane alone so i hope this helps. Eddie
posted April 19, 2002 07:57 AM
Last year I ran a 10:1 CR 355 and mixed fuel all year. 3 gallons of CAM2 (110 oct) with 2 gallons of 92 octane pump gas. Not a problem all year, and saved me some money too.
This year I'm up over 11:1, so I'm sticking with straight CAM2.
posted April 19, 2002 10:17 AM
From what I know, which isnt much. If your timing is going to be 34-36 you'll need the higher octane or you'll burn your pistons. Happened to my brother when he mixed premium with racing gas. We didnt think about it.
------------------ Scoot Smith Racing Team 870-365-5989
posted April 19, 2002 04:54 PM
the avgas is leaded, and I don't really believe you will gain anything by mixing. I believe the higher commpression engines are the only ones that really benifit from high octane gas. (13 and 14 to 1 engines.) I think if you mix racing fuel and pump gas you stretch you dollar and maintain a octane rating that is a little higher and helps detonation and burn.