Quote
You may need to run a little higher octane fuel to avoid spark knock.



+1

Does it say the 'service limit is 170' or does it say it should be at 170psi? What's the stock compression ratio on those?

anyhow, definitely run higher octane for now at least.


V45W - 1999, 3.5 sohc, winter package
L042G- 1987, 2.6 carb, auto - Cylon Raider
A112 - 1973 Galant Wagon - 4G63 Turbo, 5 speed
L023G - 1983, 2.6 carb, 5 speed manual 4WD
L028 - 1983, 4D55 turbo diesel 2WD