Quote:

I'm going out on a limb here, but I'd suggest a 5.2 Mag motor, built correctly. Board members say the built 5.2 Mag and the LA 360 in near-stock form are quite equivalent in terms of acceleration, but the 5.2 increases mpg by something like 5 or 6.



Fellow board member Patrick Grossman observed similar numbers when going from an LA 360 to Magnum 318 in his Fifth Avenue. Haven't seen him post in a while though.

1987 Fifth Avenue - 512/518/D60