MOPARJ
What can I upgrade now?
I currently run a .030 over 318 with 8.5:1 compression, Comp XE268 cam, headers, Holley 600 carb, 904, 3.23 gears, and 2300-2500 tc in my 73 Duster. The tires on the rear currently are 235/70/15s, which are about 28" OD and 7.5" wide. I run SS leaf springs, so the rear sits up a tad.
I am looking into dropping the OD down a bit to lower the rolling resistance with the 3.23 gear.I dont want the car to be lower than exactly level. I was thinking of dropping to a 255/60/15, which is 27.1" tall, and 8.2" wide. Will this fit on a 73 Duster? Also, will it do a lot to raise revs on the hwy and result in slightly better performance at low rev acceleration on the street and times at the track? The key is I dont want to lose any width and dont want to have too short of a tire.
I am looking into dropping the OD down a bit to lower the rolling resistance with the 3.23 gear.I dont want the car to be lower than exactly level. I was thinking of dropping to a 255/60/15, which is 27.1" tall, and 8.2" wide. Will this fit on a 73 Duster? Also, will it do a lot to raise revs on the hwy and result in slightly better performance at low rev acceleration on the street and times at the track? The key is I dont want to lose any width and dont want to have too short of a tire.