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J tubes shields aka industrial tins question
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cmaxcliff
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Joined: November 07, 2009
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PostPosted: Mon Nov 04, 2024 11:27 am    Post subject: Re: J tubes shields aka industrial tins question Reply with quote

Glenn wrote:
cmaxcliff wrote:
Does anybody use heat tubing to cover the pushrod tubes?

Why?
Primarily because the header J-pipes are very hot, near 1000*, and some of them are positioned just below the tubes. The oil in the tubes is much cooler. Maybe the air coming off of the cylinders solves that problem. I always use the heat tubing on the full flow AN10 oil lines that get near the exhaust. Just asking, not suggesting.
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Schepp
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PostPosted: Mon Nov 04, 2024 11:44 am    Post subject: Re: J tubes shields aka industrial tins question Reply with quote

I'm surprised more people don't wrap their headers.
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Glenn Premium Member
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PostPosted: Mon Nov 04, 2024 11:47 am    Post subject: Re: J tubes shields aka industrial tins question Reply with quote

Header wrap stays wet and promotes rust.

The heat is not an issue if you're moving.
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"

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Schepp
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PostPosted: Sun Nov 10, 2024 11:05 pm    Post subject: Re: J tubes shields aka industrial tins question Reply with quote

Started making my own industrial tins.
24ga sheet steel.
Easy to cut with tin snips and bend by hand but thick enough to weld.
With a vise-brake small parts like these are easy to make.
Total cost: $25

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