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Turbocharged LT1 Spark plug boots burning - help needed!!

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Old 06-17-2009, 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?
Old 06-17-2009, 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?
Old 06-17-2009, 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..
Old 06-17-2009, 07:40 PM
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wrap the header then wrap the boot with an aluminized backed fibeglass heatshield
Old 06-17-2009, 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!
Old 06-19-2009, 01:33 AM
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Bump..
Old 06-19-2009, 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.
Old 06-19-2009, 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.
Old 06-19-2009, 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.
Old 06-21-2009, 02:13 AM
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I fixed the problem by doubling up the boot protectors and installing new plug wires
Old 06-23-2009, 01:15 AM
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Can you use a spark plug wire with a ceramic boot?



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