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My dump pipe rusted out but it was custom and made from cut and welded sections, the straight bits were aluminised, the mandrel bends were black.
It was treated and painted with high temp paint prior to wrapping.
It was the black sections that corroded, and it did take seven years or so before going through.
I've just wrapped my dump pipe a couple of weeks ago when I fitted the new turbo and modified the pipe. Prior to that it was just painted with high temp paint.
It's mild steel, custom made from mandrel and straight sections.
After 6 years very minimal surface rust.
I sanded the old paint off and repainted before wrapping so will be interesting how it is after another 6 years.
Steve
The wrap I ordered arrived on Monday so wrapping the pipe this weekend.
For the to wet or not to wet question, I'll soak the wrap for the following reasons;
1. Will keep the fibre dust down (I'll still wear gloves and goggles and a mask),
2. Wet wrap should give a good indication of how much pressure I put on the wrap when I wind/twist it onto the pipe to tighten. If some water dribbles out job done.
When the wrapping is done I will go for a good drive to dry the wrap out.
Bish bash bosh (I Hope)
Just a quick note on the weekends activity for Jacks exhaust wrap. It was all pretty straight forward. Thanks Jon for the warning on the goggles and mask. Along with wearing gloves (rubber disposables) the eye and lung protection is a must. The sheet of plastic I was lying on under the car was covered in tiny fibres.
Attachment 146348
I pre-soaked the wrap in warm water for about ten minutes and got going initially at the front (just under the header) but found this was an absolute pain in the ar*s because it was so tight for space. I ended up starting again from the other end (at the first joiner) and wrapping forward. I couldn't find an easy way to wrap. You just start by folding under the first 30mm or so and then wrap on. After a couple of wraps I needed to pull the full length through to keep the tail of the wrap free and keep going. By the time I got to the front (under the header) there was less to pull through.
I finished the wrapping with a hose clamp at each end and then used the supplied metal ties. These are pretty useless I found so I doubled up the hose clamps and spread a few ties along the length of the exhaust. There is about 5-6 meters of wrap left so I might keep going past the joiner where I stopped. I'll see how we go at Christmas for heat. On reading the other posts it seems most people did actually go past the joiner. Is this correct?
Attachment 146351
The wrapping was a bit*h of a job but strangely satisfying as well. On the bends and above the cross member needs to be done by feel but I think I got most areas with a 50% lap.
Thanks for that. Very useful. I'll add wrapping to my wish list.
