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

Ford-what plug boots

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Old Aug 7, 2014 | 10:39 PM
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Default Ford-what plug boots

I'm still waiting on Martins headers, but am ordering the last few pieces to complete my engine. What is the angle of plug boots I should order to clears the headers adequately?
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Old Aug 8, 2014 | 07:26 AM
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I used the Ford Racing wires. I think they have 120* boots. I had to install some DEI boot covers at 2 cylinders (cylinders 3 & 4, I think) for peace of mind.
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Old Aug 8, 2014 | 08:27 AM
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Originally Posted by tbone heller
I used the Ford Racing wires. I think they have 120* boots. I had to install some DEI boot covers at 2 cylinders (cylinders 3 & 4, I think) for peace of mind.
I was really wondering if I should be putting the covers... those plugs boots sure get hot right next to the headders.. do some people get away with not putting them?
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Old Aug 8, 2014 | 08:28 AM
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Brad when i get home tonight, I'll take a picture of hime for you, a close up.. mine are ford racing.. i don't know the angle but it's definately not a 90..
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Old Aug 8, 2014 | 08:52 AM
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Straight, MSD part No. 31329. Using a stock ford distributor with the module moved to a heat sink bought from www.mccullyracingmotors.com]
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Old Aug 8, 2014 | 09:00 AM
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I use MSD wires. The boots are adjusdtable, and that really helps. It's a build your own set, which takes a little more time but yu get to run them the way you want to.

I'v tried other brands, but these seem to be the most durable.
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Old Aug 8, 2014 | 11:37 AM
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Thanks guys.
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