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04-20-2020
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#11 |
 
Join Date: Apr 2007
Location: Northern VA
Posts: 2,661
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How do you run a 1.8x or lower '60 time?
These Mark Williams 31 spline spindles will help build your courage.
IMG_0762.JPG Sent from my iPhone using ZR-1 Net Registry
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Phil Wasinger 1994 Torch Red ZR-1 WAZOO Member George Braml Intake Last edited by Jagdpanzer; 04-21-2020 at 12:07 AM. |
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04-21-2020
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#12 |
 
Join Date: Dec 2003
Location: Chicagoland,IL
Posts: 2,679
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Re: How do you run a 1.8x or lower '60 time?
Karl I have Nitto NT05R Drag Radial they work fine at the track.
Put them in the water box for 3 seconds and walk them out. Start at 20 PSI. Trust me they will work  I would do this with all Drag Radials no matter which brand you decide to go with. Enjoy Pete
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'91 #1635 PoloGreen 350 LT5 11.09 @ 129.27 11.04 @ 128.86 474RWHP 400RWTQ http://www.youtube.com/watch?v=SFNFOhGGlR4 http://www.youtube.com/watch?v=ZlRIOMwaDYY https://sites.google.com/site/peteszr1garage |
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04-21-2020
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#13 |
 
Join Date: Mar 2015
Location: New Zealand
Posts: 385
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Re: How do you run a 1.8x or lower 60' time?
My best time slip so far 1.98 Nitto G2s 17psi on a well prepared track when I run on street track I run Hoosiers 315x35x17 heat them up good in the first run then they are stick for the rest of the day just dry them off after the water box always warm days 70 plus 20181118_121040.jpgreceived_198601917689893.jpeg
Sent from my SM-G973F using ZR-1 Net Registry mobile app |
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04-21-2020
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#14 | |
Join Date: May 2013
Location: Chicago
Posts: 980
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Re: How do you run a 1.8x or lower '60 time?
Quote:
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1993 ZR-1 #211 Yellow On Beige Beast #2 1992 ZR-1 #427 Black On Black *Sold* 1985 L98 Blue On Blue *Sold* |
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04-21-2020
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#15 | |
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Join Date: May 2013
Location: Chicago
Posts: 980
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Re: How do you run a 1.8x or lower '60 time?
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Will go for it. Been running at 32 psi. Been thinking about a line lock for the burnout box. Will see what happens in warmer weather.
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1993 ZR-1 #211 Yellow On Beige Beast #2 1992 ZR-1 #427 Black On Black *Sold* 1985 L98 Blue On Blue *Sold* |
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04-21-2020
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#16 | |
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Join Date: Apr 2007
Location: Northern VA
Posts: 2,661
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Re: How do you run a 1.8x or lower '60 time?
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You can get them direct from Mark Williams https://www.markwilliams.com/50225.html You will also have to send them a pair of rear bearing hubs for broaching out from 27 to 31 splines. Many thanks to FBI Bob G for pioneering this excellent solution with WM. Sent from my iPhone using ZR-1 Net Registry
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Phil Wasinger 1994 Torch Red ZR-1 WAZOO Member George Braml Intake |
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04-21-2020
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#17 |
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Join Date: Apr 2007
Location: Northern VA
Posts: 2,661
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Re: How do you run a 1.8x or lower 60' time?
I run 315/35-17 MT DRs at around 16 PSI. Just like Pete said, 3-4 seconds in the water box then let them push you out. Line lock makes it easy.
Sent from my iPhone using ZR-1 Net Registry
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Phil Wasinger 1994 Torch Red ZR-1 WAZOO Member George Braml Intake |
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04-21-2020
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#18 |
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Join Date: Apr 2020
Location: Ridgecrest ca
Posts: 71
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Re: How do you run a 1.8x or lower '60 time?
2.1 on street tired is excellent
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04-24-2020
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#19 |
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Join Date: Nov 2013
Location: Wilkes-Barre, PA
Posts: 148
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Re: How do you run a 1.8x or lower '60 time?
Definitely touchy finding the balance with these cars. I only have about 8 or 9 passes in my Z vs the GS. I either bogged or spun. I run the m/t drag radial (315/35/17) that I get 1.50 60's in the GS with. When my GS was stock cube I was able to get it down to low 1.7's so I figure I need some more seat time to try and get the Z 60' down. Obviously track prep plays a big part in it also for what it will hold, especially with a stick car. You really need to slide the clutch out instead of dumping it. I also do my burnout in 2nd and roll it out. Wanted to get it out this spring but the tracks are still on hold with this virus crap!
Summers brothers also makes a outer spindle that's been holing up in the GS.
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1994 ZR-1 #198, sold [img]https://live.staticflickr.com/65535/48400173802_2a6f122cfb_n.jpg[/IMG] [COLOR=RoyalBlue]96 GrandSport#857[/COLOR],[COLOR=Red]Red Gut[/COLOR] 397 LT4, AFR heads,3:90 gears, DRM longtubes, Sepanek 700R4, Yank 3600, bla-bla... Best ET w/396 & 6-speed 11.02 @126.57 w/1.60 60' Best ET w/396 & 700r4 10.82 @124.87 w/1.48 60' 2003 DarkShadowGray Ford Lightning 460rwhp/550rwtq 12.11 @112.18 w/1.71 60' |
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04-24-2020
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#20 |
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Join Date: Apr 2020
Location: Ridgecrest ca
Posts: 71
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Re: How do you run a 1.8x or lower '60 time?
Here are some other thoughts on this . My best 60 foots came when I had 410 s in the car . After I retired went back to 345s and my 60 fats hovered around 2.0 but my ets got a half a second slower . Which wasn’t much fun lol . I do run the light weight flywheel though . Talking with Pete he runs I believe a 19/20 lb flywheel which may help the 11 lb fidanza works well with the 4.10s but not so well with the 3.45s stk dual mass is about 45 lbs . Just remember the better you bite the more you can break . Hope this helps in some small way . Oh one might experiment with 245 x17 they have a taller sidewalk that might bite better
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