S2000 STR prep resource
Originally Posted by TheNick,Jun 28 2010, 10:11 AM
More pressure. Should be up near 40lbs - especially with that little camber and roll stiffness up front.
You need heat. Don't spray them unless they go over 130-140deg.
If there are more than 50runs on Jason's tires then he's probably losing about a full second off fresh Toyos.
You need heat. Don't spray them unless they go over 130-140deg.
If there are more than 50runs on Jason's tires then he's probably losing about a full second off fresh Toyos.
With that said, I'll be trying higher pressures next time. It makes sense that the carcass could be distorting and causing the beveling. Are the Hankooks showing evidence that they are pressure sensitive?
Without our pyro we had no idea what temps were. The tires never felt tacky, like a Yokohama or Dunlop, but they also took forever to show signs of falling off too. On our STU Subaru, we would have started spraying the tires after two runs. Arguably incomparable cars though.
Getting 50 runs out of a street tire is just silly. He is probably way beyond that. Just this weekend his tires saw 20 runs.
I am on my 2nd set of Hankooks on my civic, and found that they seem to be quite pressure sensitive. We set them to the regular pressure for the first run, and they were good. They were 2 psi higher after the first run, so we left them there for the second, bleeding them to the +2 psi value, and ran them for the next couple runs. On the 6th run, we dropped them back to the regular pressures, and gained a good bit of grip for the last runs.
32F 36R vs 34F 37R for a 225 on a 7.5" wheel
Seem to be the same way on my wife's s2000
32F 36R vs 34F 37R for a 225 on a 7.5" wheel
Seem to be the same way on my wife's s2000
Originally Posted by ComposiMo,Jun 28 2010, 12:30 PM
S2k's can do it....




Originally Posted by imstimpy,Jun 25 2010, 12:15 PM
It sounds like number 14 is the source of "shock knock" for those of us reusing stock mounts? It is caused by insufficient bushing compression that allows the sleeve to knock against the washers surrounding the bushing.
Either increase the shock nut torque, thread the shock shaft deeper, or simply remove number 14.
Either increase the shock nut torque, thread the shock shaft deeper, or simply remove number 14.
Any thoughts on whether the J's S1 camber kit is legal for STR? It's not part of the control arm, it's effectively part of the hub.
SCCA rules for reference:
SCCA rules for reference:
(14.8.I.1)
On double/unequal arm (e.g. wishbone, multi-link) suspensions,
only the upper arms OR lower arms may be modified or replaced,
but not both. Non-integral longitudinal arms that primarily control
fore/aft wheel movement (e.g. trailing arm(s) or link(s) of a multilink
suspension) may not be replaced, changed, or modified.
On double/unequal arm (e.g. wishbone, multi-link) suspensions,
only the upper arms OR lower arms may be modified or replaced,
but not both. Non-integral longitudinal arms that primarily control
fore/aft wheel movement (e.g. trailing arm(s) or link(s) of a multilink
suspension) may not be replaced, changed, or modified.
I dont see where those would be any different than replacing the upper ball joint with specialty products ball joint #67220 except your paying more than $100 more. Guy Ankeny also offers upper control arm bushings that give you about -3.5 degree's of camber.
Anyone know what the advantages are or any of these? I can get the Specialty Products stuff through for $60 each which is way cheaper than either of the other options...
Anyone know what the advantages are or any of these? I can get the Specialty Products stuff through for $60 each which is way cheaper than either of the other options...
Originally Posted by TheNick,Jun 28 2010, 10:11 AM
More pressure. Should be up near 40lbs - especially with that little camber and roll stiffness up front.
You need heat. Don't spray them unless they go over 130-140deg.
If there are more than 50runs on Jason's tires then he's probably losing about a full second off fresh Toyos.
You need heat. Don't spray them unless they go over 130-140deg.
If there are more than 50runs on Jason's tires then he's probably losing about a full second off fresh Toyos.
Originally Posted by josh7owens,Jun 28 2010, 11:31 PM
130-140 on rs-3's? thats hot hot



