jet hot coating headers on SC tC
#1
jet hot coating headers on SC tC
Hey guys I dont have my sc or headers yet but was planning on getting both until I heard all this stuff about the heat from the headers causing a leak. So I was wondering if I got some of that jet hot coating, how much would this actually reduce the heat, and do you think that it will fix the problem with excess heat messing up the seals? thanks
#2
it'll go a long way in preventing the problem, assuming the problem is directly due to the heat. there still isn't enough info to know either way.
you could get them coated, heat wrapped, and get a heat shield custom done for you and if there are still problems with the seals, then they should honor your warranty claim.
and if the seals are not due to heat, then something is amiss.
you could get them coated, heat wrapped, and get a heat shield custom done for you and if there are still problems with the seals, then they should honor your warranty claim.
and if the seals are not due to heat, then something is amiss.
#5
it hasn't been proven that header-heat is the cause of seal issues due to the fact that TC's without header swaps with the factory heat shield installed have had problems.
results.... inconclusive. Also, the energy from heat has to go somewhere, what do you think is going to happen to your catalytic converter? I could see a dealership pointing a failed cat to your header from increased heat from the header, but not from a stock header on an otherwise stock TC that's S/C'd.
Your choice. Personally, I would rather put heat-wrap on the header, it's cheaper.
results.... inconclusive. Also, the energy from heat has to go somewhere, what do you think is going to happen to your catalytic converter? I could see a dealership pointing a failed cat to your header from increased heat from the header, but not from a stock header on an otherwise stock TC that's S/C'd.
Your choice. Personally, I would rather put heat-wrap on the header, it's cheaper.
#6
TC's without header swaps with the factory heat shield installed have had problems.
what do you think is going to happen to your catalytic converter?
#7
Originally Posted by mattvs
TC's without header swaps with the factory heat shield installed have had problems.
what do you think is going to happen to your catalytic converter?
I could easily see a dealer denying a warranty claim on a blower leaking oil due to the aftermarket header, with or without a coating, equally as much if you have any other problems in your exhaust stream (like the second o2)
If you buy the S/C and want your warranty to be there when you need it, it's best to err on the safe side and run as close to stock as possible until the warranty is up. Either way, there isn't enough evidence to prove what is causing the problem yet.
#8
Senior Member
SL Member
Team ScioNRG
iTrader: (1)
Join Date: Feb 2005
Location: Long Island
Posts: 902
i didn't have a header installed and my sc leaked all over the place. they said that it was because of the smaller pulley. the extra boost was too much for the sc to handle. from 7lbs of boost peak to 9lbs of boost peak killed my sc according to scion.
#9
That's precisely why I'm taking as many precautions as necessary
I had my header coated in a black ceramic and once I get my car back from the install tonight/tomorrow, I'm taking it to this guy who's going to mold me a custom shield that'll bolt on right above the exhaust manifold. the guy builds choppers for a living, so the finished product should be functional and shiny.
This may all be worthless or it might save my ___, who's to know? If the seals start failing even after the shield and coating are in place, then we'll know it's not the heat..regardless of what the dealership techs say. My ambient temp will be lower than a >stock< tC after this.
I had my header coated in a black ceramic and once I get my car back from the install tonight/tomorrow, I'm taking it to this guy who's going to mold me a custom shield that'll bolt on right above the exhaust manifold. the guy builds choppers for a living, so the finished product should be functional and shiny.
This may all be worthless or it might save my ___, who's to know? If the seals start failing even after the shield and coating are in place, then we'll know it's not the heat..regardless of what the dealership techs say. My ambient temp will be lower than a >stock< tC after this.
#10
Originally Posted by yellot00tr
i didn't have a header installed and my sc leaked all over the place. they said that it was because of the smaller pulley. the extra boost was too much for the sc to handle. from 7lbs of boost peak to 9lbs of boost peak killed my sc according to scion.
But there are a lot of other factors of well. They probably would have problems anyway with just the TRD pulley, but maybe did not wait a long enough time to realize. Who knows? The vortech supercharger used by TRD for this application can more than handle the 9 psi. Isn't it rated for like 60? Anything above 9-10 I would not be worried about the supercharger, but rather the pistons and rings.
#11
whats odd is that i have a supercharger, no pully, no headers, factory s/c heat sheild, and i suspect mine is leaking oil Used brake clean to clean off the oil on there, and I will update if its still having an issue.
#12
Where's it leaking from? Is it at the shaft where it means the actual compressor? Or perhaps from the oil pan or something else. Let us know. I' believe you're the 2nd on the forum to have an oil leak with no mods to the system.
#13
its from the shaft, both ends, and some seemed to be coming from the compressor housing, but that could have been from install, not sure, thats why i used brake clean to go through and clean up what was there and on friday or saturday ill check it again. Also Im not sure if this has anything to do with it or not, but mine was one of the early installs, so that may have something to do with it (TRD S/C SN: 000383)
#14
The unit is a Vortech v5 compressor. This is rated to 25psi of boost and 60,000rpms. A smaller pulley should not affect the compressor...however the shaft design is another story. If that was designed incorrectly, the seals could leak at higher boost and rpm.
However it does seem that the techs are overtorquing those 3 allen bolts that hold the shaft onto the compressor.
However it does seem that the techs are overtorquing those 3 allen bolts that hold the shaft onto the compressor.
#18
agreed, but i got the supercharger mainly because i wanted to have warranty and more power. I actually didnt even notice it till I was looking at the supercharger more closely when I was down at stevens creek scion, and dave recommended to me to use the brake clean to verify the leak.
#19
I don't think that a 2-2.5 increase in psi is large enough to warrant suspicion of its effects on an improperly designed shaft.
Thread
Thread Starter
Forum
Replies
Last Post
CrowJenkins
Scion tC 2G Owners Lounge
5
10-09-2015 10:47 PM
wayneside
Regional - Pacific Northwest
0
09-23-2015 10:29 AM