205 / 55 / 15 or 185 / 70 / 14
from everything i have seen, the fronts are 4" and the backs are 6.5"
I have an 87 7mge non turbo and i beat my buddies 89 rx7 with a 13b and webber side drafts
a GM V8
A 86 rx7 has a 13b wankel rotory engine only the turbo edition was turbo charged
left side kick panel
In stock form, the turbo supra was faster than the fd rx7. The 93-95 rx7 are quicker in the quarter mile. My 1994 rx7 is highly modified and runs 10 second quarter mile times- quicker than any ferarri or lambo/ porsche.
if you live in a cold area get the strongest battery that will fit in the tray.
18.5 gallons for the 2nd generation
about 300 at the block about 220 at the wheels
not sure what year you have but on 1986-1991 it is on the ignition coil closest to the battery
the American 13B-S5 has 200hp the JDM 13B-S5 (which is what I have) has 220
4x110 or if its a GSL SE then its 4x114