landybehr Posted June 9, 2007 Share Posted June 9, 2007 Hi, ebay-sellers offer some different heat wraps. Some white, grey,black, brown. Some called "ceramic" others "graphite", or others "thermoTec". There are considerable differences in their prices - in ebay-Germany they vary from 5 to 50 pounds; and .. they all provide 10 to 15m of that stuff. Is that due to any other reason than marketing ? Quote Link to comment Share on other sites More sharing options...
rick Posted June 10, 2007 Share Posted June 10, 2007 thermo-tec is a brand name and is a woven silica. It's my understanding that if you want to use a heat wrap on header pipes, Silica is the stuff to use. Other materials may not last, or ceramic based ones may retain too much heat, creating hotspots and killing your pipes, although this may just be marketing drivel. Quote Link to comment Share on other sites More sharing options...
missingsid Posted June 11, 2007 Share Posted June 11, 2007 I use Themo Tec on my Hybred manifolds, the difference was very noticable. Mainly the need to retune the carbs and change the air filter as the retained heat changes the exhuast gas performance. Before using the wrap it did not need any chages but the engine bay heat has high. One of the pipes just touches the chassis during use and the tape has worn through but it is still tight and not unwrapping. Quote Link to comment Share on other sites More sharing options...
Coastcard Posted June 11, 2007 Share Posted June 11, 2007 I have some that was on the SS exhaust I bought. It is 12 months old (about 6 months useage) and has become very brittle and just disintigrates if you rub or catch it. I assume it is the cheap stuff, so like you I would like to know the differences for when I replace it. I have seen some with metal reinforcing strands in it which I guess would hold it together a bit better. Quote Link to comment Share on other sites More sharing options...
landybehr Posted June 14, 2007 Author Share Posted June 14, 2007 So it looks like Thermo Tec is the stuff to seek. I´ll have a look what racing-suppliers have to offer. But probably about the same as the ebay sellers. Quote Link to comment Share on other sites More sharing options...
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