as far as stability goes, what is the difference between track and wheelbase of the RA and the JZA?
are you really going to go to 280km/hr? salt flat racing?
just to clear things up, you are transplanting the suspension and associated parts from the JZA70 to the the RA? are you altering track of the JZA parts? if not, are you extending the RA wheelbase?
traction.. guess it depends what anti-lift or dive you build into it. IRS tends to squat no? not so good for traction. why not a G series diff with usual 4 link with Watts link?
as for diff choice... it sort of depends on power/torque expectd, and how it will be used... for burnout/drag, maybe a torsen is not the best choice. hilux with spool would work nicely tho
sounds like a fun project... are you aiming to have it registered? chatted to engineer yet?
cams can br gotten sometimes in rasonable condition second hand, but for the few extra hundred dollars, why not go new? peace of mind and all that.
3.4L strokers? pretty penny there, and i wouldn't bet on any second hand ones coming up, or being in good condition... unless you are building dedicated drag car, might be a step too far? depends what power you want... 600? 800? 1500hp?
what is the end purpose of the car? road car? race car? drag car? registered?
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