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Turbocharged LT1 Spark plug boots burning - help needed!!

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Old Jun 17, 2009 | 02:28 AM
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Default Turbocharged LT1 Spark plug boots burning - help needed!!

I have a 355 LT1 with a front mounted T76 turbo. The headers are obviously flipped around so that they come forward for the turbo. The only problem is that one of the spark plugs nearly touches the header now (two back, drivers side.) I have an Accel shorty spark plug installed. There are Taylor spiro-pro spark plug wires. With the spark plug boot on the spark plug it is maybe 1-2mm from the header. I have the fiberglass spark plug boot heat protectors over the boots, but it still seems to burn the boot through the boot protector. The headers obviously get very hot due to it being a turbo car. Does anyone have any ideas on how to stop this problem?
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Old Jun 17, 2009 | 08:54 AM
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Wrap the exhaust, or get it coated, and put a new boot protector on there. Is it possible to pull the boot away some how? Can you get a picture? Maybe try a 90*, 135* boot?
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Old Jun 17, 2009 | 07:25 PM
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Originally Posted by MaxxMitchell
Wrap the exhaust, or get it coated, and put a new boot protector on there. Is it possible to pull the boot away some how? Can you get a picture? Maybe try a 90*, 135* boot?
Thanks for the response. I am going to wrap the header, I already have 90 degree boots on there and they are the only ones that will work. I will try to get a picture, its pretty tricky..
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Old Jun 17, 2009 | 07:40 PM
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wrap the header then wrap the boot with an aluminized backed fibeglass heatshield
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Old Jun 17, 2009 | 08:17 PM
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Originally Posted by lt170chevelle
wrap the header then wrap the boot with an aluminized backed fibeglass heatshield
Thanks for the response! I will defiantly try this, but where can i find this alluminized fiberglass heatshield product? thanks!
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Old Jun 19, 2009 | 01:33 AM
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Bump..
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Old Jun 19, 2009 | 02:45 AM
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I used this wrap for my clutch line. I don't know what it's called but it's adhesive on one side with a layer of fiberglass then a layer of heat shielding. I'm sure if you wrap the boot and header with header wrap it will work.
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Old Jun 19, 2009 | 04:10 AM
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With 1-2mm gap, I don't know how the wrap will fit. Coating the headers is good idea.

I can only think of thin aluminum plate inserted in between and attached to the headers to reflect the heat away from the plug wire boot.

Get a picture and post it.
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Old Jun 19, 2009 | 01:24 PM
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yes, it is a very tight gap.. I think I can double up the firesleeves and that might barely fit.
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Old Jun 21, 2009 | 02:13 AM
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I fixed the problem by doubling up the boot protectors and installing new plug wires
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Old Jun 23, 2009 | 01:15 AM
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Can you use a spark plug wire with a ceramic boot?
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