ZR-1 Net Registry Forums  

Go Back   ZR-1 Net Registry Forums > C4 ZR-1 > C4 ZR-1 Technical Postings

Reply
 
Thread Tools Display Modes
Old 09-26-2016   #21
RussMcB
 
Join Date: Jan 2015
Location: Marietta, GA USA
Posts: 1,160
Default Re: Michelin PS2 335/35/17 back in production

Quote:
Originally Posted by BigJohn View Post
If you have your Goodyears cut they stick quite well!!!


I see the smiley face so I'm sure this was posted in jest. I know I wouldn't shave any expensive Goodyears when there are already great DOT street/racing tires already available (like the Nitto NT05's). :-)

BTW, I ran full tread Goodyears at the NCM track and was pretty impressed with their stick. I was able to go plenty fast enough and have a blast. Admittedly, I'd choose different tires if lap times were important.
RussMcB is offline   Reply With Quote
Old 09-26-2016   #22
batchman
 
Join Date: Jun 2009
Location: I live at Devens, one run at a time
Posts: 455
Default Re: Michelin PS2 335/35/17 back in production

Quote:
Originally Posted by RussMcB View Post
I see the smiley face so I'm sure this was posted in jest. I know I wouldn't shave any expensive Goodyears when there are already great DOT street/racing tires already available (like the Nitto NT05's). :-)
Shaving tread to 1/2 depth has been common practice for some tires in the more serious autocross realm for decades. Reduces tread squirm and resulting heat buildup. Also cures the "first 200 miles" wearing off the mold release compounds.

The modern "street tire" classes are using Bridgestone RE71R and Goodrich Rival S almost exclusively these days though, and neither of those seems to need shaving, probably due to the very limited void area.

Cheers,
- Jeff
(I don't get here much lately!)
__________________
[I]91 ZR-1 #1840, autocrossing in SCCA BSP. FIC S/S's
DRM chip/Watson/Borla/lid/LW batt&headlights,
springs, shocks, pads & lines, quick rack & Turn One,
camber brace, 32/22mm sways, A/C halfway deleted
17x11 & 12 CCW's, 315 & 335 Hoosier A6s

[/I]
batchman is offline   Reply With Quote
Old 09-26-2016   #23
RussMcB
 
Join Date: Jan 2015
Location: Marietta, GA USA
Posts: 1,160
Default Re: Michelin PS2 335/35/17 back in production

Yeah, that was kind of my point. Hard to justify shaving away thousands of miles off expensive Goodyears when "pre-shaved" tires are already available (and probably better/faster than shaved Goodyears).

Do people still shave tires? I know it was common in past decades, but I haven't heard of anyone doing it in the past few years.
__________________
Russ McBride, [COLOR="Red"]Car Sold 8/2020[/COLOR] #1635, Marietta, GA USA, 1991 ZR-1, #766 (bought 1/1/2015)
MS3-Pro, OBX, SW X-Pipe, Borla, Hurst, SLP, Goodyear F1 GS-D3, Kenwood. HOTB 2016Q3
[IMG]http://zr1.net/forum/picture.php?albumid=316&pictureid=2873[/IMG] [IMG]http://zr1.net/forum/picture.php?albumid=336&pictureid=2985[/IMG]
RussMcB is offline   Reply With Quote
Old 09-26-2016   #24
batchman
 
Join Date: Jun 2009
Location: I live at Devens, one run at a time
Posts: 455
Default Re: Michelin PS2 335/35/17 back in production

I seem to recall the Toyo R1R was better shaved, it is still favored in some sizes where the others aren't available. It's now been long enough since I used street rubber that I forget LOL!

Best,
- Jeff
__________________
[I]91 ZR-1 #1840, autocrossing in SCCA BSP. FIC S/S's
DRM chip/Watson/Borla/lid/LW batt&headlights,
springs, shocks, pads & lines, quick rack & Turn One,
camber brace, 32/22mm sways, A/C halfway deleted
17x11 & 12 CCW's, 315 & 335 Hoosier A6s

[/I]
batchman is offline   Reply With Quote
Old 09-26-2016   #25
Mystic ZR-1
 
Mystic ZR-1's Avatar
 
Join Date: Jan 2010
Location: Mystic CT
Posts: 2,596
Default Re: Michelin PS2 335/35/17 back in production

Jeff, where ya been?

How about Toyo R888s
Probably stick great in the dry, not so good in
the wet? And treadwear, probably not too good?
They come in ZR-1 sizes and the $ isn't too bad.
All around, the Goodyears are probably the answer...
Wet, treadwear, noise, looks, value for the $, availability etc.
Mystic ZR-1 is offline   Reply With Quote
Old 09-27-2016   #26
batchman
 
Join Date: Jun 2009
Location: I live at Devens, one run at a time
Posts: 455
Default Re: Michelin PS2 335/35/17 back in production

Quote:
Originally Posted by Mystic ZR-1 View Post
Jeff, where ya been?

How about Toyo R888s
Probably stick great in the dry, not so good in
the wet? And treadwear, probably not too good?
They come in ZR-1 sizes and the $ isn't too bad.
All around, the Goodyears are probably the answer...
Wet, treadwear, noise, looks, value for the $, availability etc.
Hey! Glad I can get back here sometimes.

Been busy racing my friends' sawzalled Mustang while I get the Z back together. If I could only figure out how to keep these Penskes compressed without letting the nitrogen out...

The R888 is a good sticky tire, and OK in the wet if I recall correctly. Wet meaning "shiny" as opposed to standing water on the highway, that is.

Had a "fun" time at the Solo Nationals in the CP Fox body. Full on rain on the 2nd day (ie the standing water above) on slicks was pretty much a pontoon boat thing. Steering wheel did absolutely nothing (not a good feeling!) unless I was braking at the same time. Glad to say I didn't kill any course workers, but my results look like I cared too much about that .

Best,
- Jeff
__________________
[I]91 ZR-1 #1840, autocrossing in SCCA BSP. FIC S/S's
DRM chip/Watson/Borla/lid/LW batt&headlights,
springs, shocks, pads & lines, quick rack & Turn One,
camber brace, 32/22mm sways, A/C halfway deleted
17x11 & 12 CCW's, 315 & 335 Hoosier A6s

[/I]
batchman is offline   Reply With Quote
Old 09-30-2016   #27
Bob Eyres
 
Join Date: Jul 2005
Location: Jupiter, Fl.
Posts: 815
Default Re: Michelin PS2 335/35/17 back in production

What kind of wear do you get out of these Michelins?
The Michelins I have on other cars get amazing long tread life, so much so that I've had to change them out because of age long before they wear out.
The Pilot Sports must be a much softer compound to be "sticky".

I'd love to get that 335 size for the rear, but not at twice the price of my 315 Toyo R888's.
If Toyo made that tire in the 335 size, there would be no need for Drag Radials
Bob Eyres is offline   Reply With Quote
Old 09-30-2016   #28
Hog
 
Join Date: Jul 2010
Location: Woodstock, Ontario, Canada
Posts: 1,275
Default Re: Michelin PS2 335/35/17 back in production

The 335/35/17 is a wide assed combo on the 17x13" Viper wheels.
Whats the fitment like on the 17x11" ZR-1 rims? Do they wear outr the centers of the tread?


Too bad the Vredersteins are no more.


The BFG drag radial was a nice sticky tire, including the 315/35/17.
__________________
peace
Paul

ZR-1 Net Registry Member #1494
Hog is offline   Reply With Quote
Old 10-01-2016   #29
Bob Eyres
 
Join Date: Jul 2005
Location: Jupiter, Fl.
Posts: 815
Default Re: Michelin PS2 335/35/17 back in production

Quote:
Originally Posted by Hog View Post
The 335/35/17 is a wide assed combo on the 17x13" Viper wheels.
Whats the fitment like on the 17x11" ZR-1 rims? Do they wear outr the centers of the tread?

Too bad the Vredersteins are no more.

The BFG drag radial was a nice sticky tire, including the 315/35/17.
For correct fitment you need to widen the rims on the inside 1", to 12'.
There's a wheel shop in Texas that used to do it, for a reasonable price. Anybody remember where?

When rims are widened the tires look noticeably wider, have flat footprint, and look very badass. 335's on an 11" wide rim curl up slightly on the edges and that sort of defeats the purpose. I'm not sure the footprint is even increased, might be. Anybody have 335's on the rear?
Bob Eyres is offline   Reply With Quote
Old 10-01-2016   #30
Bob Eyres
 
Join Date: Jul 2005
Location: Jupiter, Fl.
Posts: 815
Default Re: Michelin PS2 335/35/17 back in production

[QUOTE=Hog;The BFG drag radial was a nice sticky tire, including the 315/35/17.[/QUOTE]

I've had them, and they really hook.

FYI, back in the day, I saw John Lingenfelter put BFG-DR 255x50x16" tires on a 415/LT5. They hooked up for some 60ft. times in the 1.50's even though they were not as wide as the 315's. At low pressure, the larger sidewall made a bigger, (longer), footprint = better launch.
Bob Eyres is offline   Reply With Quote
Reply


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 12:51 AM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright ZR-1 Net Registry 2020