getting the car slowly back together after a enging rebuild, and i think wrapping the exhaust manifold would be a good idea to reduce the temperature in the furnace room…
can anyone give any advise to this topic. potential Pitfalls etc?
I have tried wrapping the manifold with some strips of normal material to gauge how many meters i will need. My experiment suggests i need about a mile.
I dont want to order too little, does anyone know how many meters of wrapping material to order?
I always wrap my manifold all the way to the collectors and have some leftovers from a 30 metre roll. That’s using the 50mm wide wrap.
You run a slightly higher risk of cracking the manifold when it’s wrapped, especially if it’s stainless steel. You’re also more likely to overheat the cat (that we all run of course…) and will blow the stuffing out of a repackable silencer quicker. I still the think the the benefits of engine bay heat reduction is worth these risks/downsides.
thanks for the information. i shall start having a look around where i can get some online.
it makes sense that all the components will get a harder time with all that extra energy, but lowering the engine bay temperature is very advantageous.
I agree with everything Steve has said, at the end of the day the heat has to go somewhere and wraping the exhaust generally moves the heat down the line.
SOme advice I can offer is, it is bloody horrible stuff to deal with, get your self some latex gloves, wear a long sleved top and gaffa tape around your wrists so none of your skin is exposed. The fibeglass bits get everywhere and it itches like hell!!!
Also, don’t worry about the smoke and horrible smell you will get the first time you run the car, it goes after a while.
After a few heat cycles have been through it the wrap does become brittle and quite fragile, try and make sure it doesn’t rub on anything as you will wear straight through it.
When you are putting it on, hold it in place with cable ties, so that it doesn’t move. Then when you are happy with it, lock wire it, or use those steel cable ties to secure it.
i have just cooled a little bit to doing the job… it is already reminding me of when i worked in the boat industry in florida, we were building a prototype of our new jet boat… i was trimming parts with a diamond cutter in 40degrees C… open pores, it took a few weeks to get used to the constant itching… nothing like lying down and itching especially on the bits you are lying on. great days… hmmm
good advise, i didnt realise it is so nasty, but as it is mainly woven glass, logically it will do the obvious to the naked arm. i shall get suitably gauntletted up. good idea with the tie wraps. a man of lagging experience talks.
SOme advice I can offer is, it is bloody horrible stuff to deal with, get your self some latex gloves, wear a long sleved top and gaffa tape around your wrists so none of your skin is exposed. The fibeglass bits get everywhere and it itches like hell!!!
When you are putting it on, hold it in place with cable ties, so that it doesn’t move. Then when you are happy with it, lock wire it, or use those steel cable ties to secure it.
Good luck as it is a bloody horrible job!!
this was the reason why I always did seans for him
is the laquer that is offered in silver, white or black an essential part of the proceedure?
i can only imagine that would stop oil and grubby mits contaminating the wrapping from the outside after fitting?
Yeah at first, every time I touched it I wore gloves, but in reality any oily marks that get on it are simply burned off the next time it glows orange. It’s kind of self cleaning!!
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