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ascMcLaren Enthusiasts An asc McLaren forum for ALL Mustang and Capri based cars modified by Automotive Speciality Corporation, a Division of American Sunroof Corporation. (a trademarked corporation) with no affilation to this site.
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capriman86
Joined: 13 Jan 2007 Posts: 402 Location: N. Smithfield, RI
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Posted: Tue Jul 22, 2008 2:46 am Post subject: |
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funny you say that, i just checked mine out this past friday!
at 70mph mine seems to be going closer to 65/66 |
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86capriasc
Joined: 12 Nov 2005 Posts: 377 Location: wisconsin
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Posted: Tue Jul 22, 2008 3:57 am Post subject: |
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so your speedo reads 65/66 yet you are going 70? _________________ 1986 ASCMclaren #108
stock E7 short block, explorer intake, 65mm TB, home built Gt45 turbo kit, 3.08s, Borla cat-back, '05 slot maf, Gt-40p heads, TFS1 cam, 80lb injectors, E85, Qaurterhorse tuner. |
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capriman86
Joined: 13 Jan 2007 Posts: 402 Location: N. Smithfield, RI
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Posted: Tue Jul 22, 2008 10:53 pm Post subject: |
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that is correct |
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86capriasc
Joined: 12 Nov 2005 Posts: 377 Location: wisconsin
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Posted: Tue Jul 22, 2008 10:57 pm Post subject: |
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I'm waiting for a call back from my local mustang speed shop to find out what gear will correct this. I'm thinking either a 20T or 19T. Iwould like to have it run a lttle faster than my actual speed. Maybe 3 mph faster like factory vehicles. _________________ 1986 ASCMclaren #108
stock E7 short block, explorer intake, 65mm TB, home built Gt45 turbo kit, 3.08s, Borla cat-back, '05 slot maf, Gt-40p heads, TFS1 cam, 80lb injectors, E85, Qaurterhorse tuner. |
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86capriasc
Joined: 12 Nov 2005 Posts: 377 Location: wisconsin
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Posted: Wed Jul 23, 2008 10:05 pm Post subject: |
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Ok, I went up and talked to Doug at peformance-plus.com today and he gave me a black 20 tooth gear(for free). He said each tooth up or down will change the speedo by 4-5 mph. I will get it installed soon, and test it against the GPS and let you know.
Mike _________________ 1986 ASCMclaren #108
stock E7 short block, explorer intake, 65mm TB, home built Gt45 turbo kit, 3.08s, Borla cat-back, '05 slot maf, Gt-40p heads, TFS1 cam, 80lb injectors, E85, Qaurterhorse tuner. |
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86capriasc
Joined: 12 Nov 2005 Posts: 377 Location: wisconsin
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Posted: Wed Aug 06, 2008 2:38 am Post subject: |
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Ok, so I finally got my 20 tooth gear in today. I checked it with the GPS and it is perfect at 60mph.
Mike _________________ 1986 ASCMclaren #108
stock E7 short block, explorer intake, 65mm TB, home built Gt45 turbo kit, 3.08s, Borla cat-back, '05 slot maf, Gt-40p heads, TFS1 cam, 80lb injectors, E85, Qaurterhorse tuner. |
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capriman86
Joined: 13 Jan 2007 Posts: 402 Location: N. Smithfield, RI
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Posted: Thu Aug 07, 2008 10:44 pm Post subject: |
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I think I put in the 19T right? LOL
Good to know, I will keep it in mind when I pull my tanny this winter!
Thanks |
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