Solo Street (HS/DS) Class Suspension Tuning Thread
#26
#27
seems like a LOT of pressure for re71's, I start mine at 32 and they get up near 40 after 2 runs both front and back heat up about the same psi on mine. If I do not air them out I start pushing wide and sliding too much in the slaloms but I never go below about 35 or they start to slide again from too little air. I've only got about 40 runs experience but there seems to be a sweet spot for my r53/re71r PSI. I run the big hotchkis on stiffest and stock S springs/shocks (shocks pretty weak now).
I made the mistake of leaving the rear go up to 40 and aired down the front to 33 and I spun out on the first slalom !
I made the mistake of leaving the rear go up to 40 and aired down the front to 33 and I spun out on the first slalom !
the pressures are where they're at in order to limit sidewall rollover. I start high in PSI and go down to just about when they start rolling on the arrows. Tuning balance with tire pressures is a common practice in street classes.
It's full JCW everything, but you can change shocks and a sway bar in street class, which is what I have done.
#28
Ahh OK I did not catch you had a jcw
I mark with chalk and don't get roll in mid 30's. I am on 205 width I have 15x8 and 16x7 re71r I am faster on the 15x8's and I setup so I get some roll on the fronts up to the side roll triangle marker things
I mark with chalk and don't get roll in mid 30's. I am on 205 width I have 15x8 and 16x7 re71r I am faster on the 15x8's and I setup so I get some roll on the fronts up to the side roll triangle marker things
Last edited by MrBlah; 05-25-2016 at 09:42 AM. Reason: phone sucks, found a pc
#29
You
True, depends on your shock settings too.
seems like a LOT of pressure for re71's, I start mine at 32 and they get up near 40 after 2 runs both front and back heat up about the same psi on mine. If I do not air them out I start pushing wide and sliding too much in the slaloms but I never go below about 35 or they start to slide again from too little air. I've only got about 40 runs experience but there seems to be a sweet spot for my r53/re71r PSI. I run the big hotchkis on stiffest and stock S springs/shocks (shocks pretty weak now).
I made the mistake of leaving the rear go up to 40 and aired down the front to 33 and I spun out on the first slalom !
I made the mistake of leaving the rear go up to 40 and aired down the front to 33 and I spun out on the first slalom !
Last edited by JN2k108; 05-25-2016 at 11:02 AM.
#30
To run a mini with jcw stuff, you only need the jcw suspension which is a separate line item that is a port installed option. So from that kit, you only need the springs and front sway bar and go aftermarket the rest.
#32
I run on really wore out stock shocksk,. I had about the same psi on the stock swaybar too, I really dislike the grip over about 38, next run I'll pay more attention as it is the only thing I'll be touching
I am debating shocks now or waiting moving to stx and getting coil overs next year
I am debating shocks now or waiting moving to stx and getting coil overs next year
#33
Per Oasistan aka Craig Wilcox the Fastest Mini driver, since the 2007 R56 Mini's had it.
http://www.sccaforums.com/forums/aft/47591
Good luck with that. Craig Wilcox went to that and couldn't keep up with the FRS/BRZ's. You really need a diff going into STX. His setup was awesome. He's got so much poke and offset.
http://www.sccaforums.com/forums/aft/47591
I run on really wore out stock shocksk,. I had about the same psi on the stock swaybar too, I really dislike the grip over about 38, next run I'll pay more attention as it is the only thing I'll be touching
I am debating shocks now or waiting moving to stx and getting coil overs next year
I am debating shocks now or waiting moving to stx and getting coil overs next year
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