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Registered Abuser
Join Date: Jul 2007
Location: Southwest Montana
Posts: 2,738
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Michelin Sport Cup Pressures on the 930
I am running MPSC I Love em But I have not strayed much pressure wise from what the PO was using, seems to work great.
What are your experiences with pressures running these tires ? 235/40/18 Front 295/30/18 Rear I have been sticking to these pressures Street cold 26 Front 28 Rear Track 28 Front 30 Rear The tires are on the last 20% or their life. I Have almost 2,800 Miles on these since I bought the car. I have fallen in love with the tires. They are not cheap, I bought a replacement set. I want some honest opinions.
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MT 930 1987 930 - Gone but not forgotten A man with priorities so far out of whack doesn't deserve such a fine automobile. I would rather wake up in the middle of nowhere than in any city on earth - Steve McQueen американский |
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05-13-2008, 08:56 PM
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Smart quod bastardus
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What camber settings are you running?
Reason I ask is that I am wondering if this has alot to do with getting grip outta these tires too. I have started a thread on this exact topic (pressures) already 2 weeks ago or so and have not gotten alot of solid responses indicating reliable answers one way or the other.
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1979 930 Turbo....3.4L, 7.5to1 comp, SC cams, full bay intercooler, Rarlyl8 headers, Garret GTX turbo, 36mm ported intakes, Innovate Auxbox/LM-1, custom Manually Adjustable wastegate housing (0.8-1.1bar),--running 0.95 bar max ---"When you're racing it's life! Anything else either before or after, is just waiting" |
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05-14-2008, 07:22 AM
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Registered Abuser
Join Date: Jul 2007
Location: Southwest Montana
Posts: 2,738
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Camber
-1.6 Front -1.8 Rear
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MT 930 1987 930 - Gone but not forgotten A man with priorities so far out of whack doesn't deserve such a fine automobile. I would rather wake up in the middle of nowhere than in any city on earth - Steve McQueen американский |
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05-14-2008, 12:31 PM
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Registered Abuser
Join Date: Jul 2007
Location: Southwest Montana
Posts: 2,738
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Anything? tips, Suggestions?
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MT 930 1987 930 - Gone but not forgotten A man with priorities so far out of whack doesn't deserve such a fine automobile. I would rather wake up in the middle of nowhere than in any city on earth - Steve McQueen американский |
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05-20-2008, 02:31 PM
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Smart quod bastardus
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Does calling Tirerack help?
I tried and cannot seems to get an answer outta them either. Anyone?
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1979 930 Turbo....3.4L, 7.5to1 comp, SC cams, full bay intercooler, Rarlyl8 headers, Garret GTX turbo, 36mm ported intakes, Innovate Auxbox/LM-1, custom Manually Adjustable wastegate housing (0.8-1.1bar),--running 0.95 bar max ---"When you're racing it's life! Anything else either before or after, is just waiting" |
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05-20-2008, 02:33 PM
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Registered Abuser
Join Date: Jul 2007
Location: Southwest Montana
Posts: 2,738
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Michelin owner's maunal is good info (Found on Tire Rack's Site). I was looking in to some Pelican Insight.
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MT 930 1987 930 - Gone but not forgotten A man with priorities so far out of whack doesn't deserve such a fine automobile. I would rather wake up in the middle of nowhere than in any city on earth - Steve McQueen американский |
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05-20-2008, 02:40 PM
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cycling has-been
Join Date: Sep 2004
Location: Jersey Shore
Posts: 7,247
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I've been going out with 30 / 32 and been coming in right at 36 / 38 after the session.
My 77 is only 2,635 lbs and will not heat the tires as quickly as the heavier cars. (tires are mpsc 225/50, 245/45 on 16's) I'm also still searching, and just bought a small pyrometer to try and zero-in on the numbers. Bill K Bill K
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73 911T MFI, 76 912E, 77 Turbo Carrera |
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05-21-2008, 12:10 PM
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Registered
Join Date: Jul 2006
Location: S. Florida
Posts: 7,249
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I asked much the same question recently and one person suggested 32 psi for the front and 42psi for the rears.... cold pressure..
Thats where I put them but I don't know if thats optimum for street driving. I have Falcon Azensis 615 on mine, 225/40X18 up front, and 315/30X18 on the rear. |
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05-21-2008, 01:35 PM
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Smart quod bastardus
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Quote:
Let us know what you find out so we can get a ball park pressure that works. Thanks,
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1979 930 Turbo....3.4L, 7.5to1 comp, SC cams, full bay intercooler, Rarlyl8 headers, Garret GTX turbo, 36mm ported intakes, Innovate Auxbox/LM-1, custom Manually Adjustable wastegate housing (0.8-1.1bar),--running 0.95 bar max ---"When you're racing it's life! Anything else either before or after, is just waiting" |
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05-21-2008, 02:42 PM
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Herman the German
