Ford V8 Discussion Discussion relating to getting the most out of your Ford-based V8 Miata's engine

speedometer cable

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Old 01-29-2013 | 06:36 PM
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tneyman's Avatar
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From: phx az.
Default speedometer cable

what is the best way to route the speedometer cable.
Old 01-30-2013 | 06:46 AM
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As far away from the exhaust as possible. I also wrapped mine in some heat protector stuff. Try to avoid sharp bends in the cable. Mine makes a large "S" shape from the speedo gear, over the transmission, & through the factory location on the firewall. KEEP IT OFF THE EXHAUST.
Old 01-30-2013 | 09:57 AM
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Over the top of the trans seems to work well. I've also wraped them around the drivetrain.

-Jason
Old 01-30-2013 | 02:25 PM
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Default speed sensor

I was just working this issue. Think I may heat shield mine also over transmission.

No intent to hijack, but along the same lines...

What color/size gear do I need to put on the vehicle speed sensor with a 7.5 rear end and T5 transmission for my Monster?
Old 01-31-2013 | 07:44 AM
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Originally Posted by Gunpilot
I was just working this issue. Think I may heat shield mine also over transmission.

No intent to hijack, but along the same lines...

What color/size gear do I need to put on the vehicle speed sensor with a 7.5 rear end and T5 transmission for my Monster?

http://www.fordracingparts.com/downl...UsageChart.pdf
Old 01-31-2013 | 11:47 AM
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Usually the red one - 21 teeth.

LateModelRestoration has pretty good prices on them.

-Jason
Old 08-19-2015 | 10:38 PM
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Originally Posted by tbone heller


that's A GREAT link thank you


Speedo error is an annoyance and its great to have this resource to best calculate the right colour gear to match based on the intended axle ratio band Tyre rolling diameter (revs/mile).


On my intended setup it appeared to be a Pink gear from the calcs (with 225/50R16 tyres and a 3.27 rear axle ratio.).


The answer may not always be RED


Cheers
Old 08-20-2015 | 08:09 AM
  #8  
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Revs/mile calculations can be found here: Tire Size Calculator & Converter, Tire Size Conversion | Discount Tire
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