08-02-2004, 06:44 PM
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CC Member
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Join Date: Oct 2003
Posts: 4,078
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Not Ranked
I have mild steel primaries on my SO which were wrapped for 3years with no damage. The heat retention was so good, that I had to re-jet the carbs as the vacuum signal improved. The deterioration of the wrap [got brown and freyed] prompted me to remove it and have them coated.
I chose Swain Tech's white ceramic which is .015" thick and applied throughly in and out of each pipe. It's a coarse coating, not meant to be pretty and shiney which gives excellent results.
Also didn't have to re-jet as the vacuum signal remained high. The stuff's nearly bulletproof.
Don't remember the price but they're nice people and I got good turnaround.
Hope this helps.
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Chas.
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