Fluidyne radiator, ps cooler, oil cooler
They do great stuff
Car runs at 160 to 168 degrees all the time.aero work diff cooler turbo intake and suspension.
Lots and lots of things I most change
Easy way is to replace those old rear cross member bushing in favor of solid aluminum bushings.
Both cross member and diff.
A 1.5 LSD and a engine torque damper.
Sprung type clutches if you care about your stock tranny.
There is lots of things you can do to improve your 60 footer
Such as one piece drive shaft etc...
Mazworx has spend yrs on Silvia's so he was my guide.
I had also a spare set of rear wheels.
All I had to do is swap rims.