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[bigwig]

http://honda-tech.com/showthread.php?p=42195143#post42195143

I find it entertaining the "engineers" at Full-Race thought it was a good idea to heat wrap an aluminum exhaust.....How they didn't think the material was going to fail is beyond me.

[turbohf]

just read that on another forum....

odd they would have any failure, seems they over "engineer" everything...

[bigwig]

just read that on another forum....

odd they would have any failure, seems they over "engineer" everything...

It's pretty common sense.  Aluminum is already pushing it's material properties by being run as an exhaust.  The true saving grace is the fact it can shed the heat.  The second you thermal wrap it, it's trapping in all that heat.  Now it's overheating and going to fail.  If they did this on some drag car, it wouldn't fail probably.  A car that laps, forget about it, it's definitely going to fail.

[malichite]

Had to read through all that crap to find it.  ARgh.

[turbob16hatch]

It was a very foolish decision to run an aluminum exhausst on a road race based car. I pretty much expected that outcome. Although there not much to critisize on the rest of the car. But still that was a dumb move.

[snm95ls]

I guess that is one way to figure out that it won't work.

 

[weirtech]

even heat wrap on stainless will make it fail eventually.  that is the one thing that would void the warranty on something i build.

[civiceggturbo]

fail how, crack near the weld? alot of people rap stainess headers, but i would believe a dp would see more heat

[turbob16hatch]

fail how, crack near the weld? alot of people rap stainess headers, but i would believe a dp would see more heat

well aaron is saying that the wrap keeps the heat in, and doesn't let the metal "shead" the heat like it would if unwrapped. The dp would see less heat as it is farther away from the head/CC.

[bigdaddyvtec]

dwnpipe ans antilag i can see... looks like that may have been a dp. 

[turbob16hatch]

dwnpipe ans antilag i can see... looks like that may have been a dp. 

Yeah he said it was like a 22" ss dp and then that's where the AL started. But really i have yet to see any real race car (minus drag) with an AL exhaust. It just not a good idea.

[civiceggturbo]

i know wrap keeps heat in...but I was saying the dp right near the turbo's restriction would keep more heat than just a straight header...just a guess but im pretty hammered

here to there the car in questions aluminum exhaust was far away from the turbo

[bigwig]

fail how, crack near the weld? alot of people rap stainess headers, but i would believe a dp would see more heat

Wrapping a stainless steel exhaust is mostly okay.  Wrapping stainless steel turbo manifolds can result in failures.  If you look at aluminum in the application of exhaust systems, it's almost shouldn't work.  Once you add in heat wrap, it's hard to imagine it working at all.  This just proved that.

I'm sure they did it because they didn't want to melt anything under the car or something was rubbing and they didn't want it to rub metal on metal.  The end result had to be what occurred.

[hatchboy]

fail how, crack near the weld? alot of people rap stainess headers, but i would believe a dp would see more heat

Wrapping a stainless steel exhaust is mostly okay.  Wrapping stainless steel turbo manifolds can result in failures.  If you look at aluminum in the application of exhaust systems, it's almost shouldn't work.  Once you add in heat wrap, it's hard to imagine it working at all.  This just proved that.

I'm sure they did it because they didn't want to melt anything under the car or something was rubbing and they didn't want it to rub metal on metal.  The end result had to be what occurred.

What about wrapping downpipes? My downpipe molests my radiator so i was thinking about wrapping it in about a 1 foot section.

[bigwig]

fail how, crack near the weld? alot of people rap stainess headers, but i would believe a dp would see more heat

Wrapping a stainless steel exhaust is mostly okay.  Wrapping stainless steel turbo manifolds can result in failures.  If you look at aluminum in the application of exhaust systems, it's almost shouldn't work.  Once you add in heat wrap, it's hard to imagine it working at all.  This just proved that.

I'm sure they did it because they didn't want to melt anything under the car or something was rubbing and they didn't want it to rub metal on metal.  The end result had to be what occurred.

What about wrapping downpipes? My downpipe molests my radiator so i was thinking about wrapping it in about a 1 foot section.

Shouldn't matter as long as it isn't aluminum.  Just remember heat wrap traps moisture and can cause some issues.

[hatchboy]

fail how, crack near the weld? alot of people rap stainess headers, but i would believe a dp would see more heat

Wrapping a stainless steel exhaust is mostly okay.  Wrapping stainless steel turbo manifolds can result in failures.  If you look at aluminum in the application of exhaust systems, it's almost shouldn't work.  Once you add in heat wrap, it's hard to imagine it working at all.  This just proved that.

I'm sure they did it because they didn't want to melt anything under the car or something was rubbing and they didn't want it to rub metal on metal.  The end result had to be what occurred.

What about wrapping downpipes? My downpipe molests my radiator so i was thinking about wrapping it in about a 1 foot section.

Shouldn't matter as long as it isn't aluminum.  Just remember heat wrap traps moisture and can cause some issues.

So like how long until it would degrade the downpipe to the point of unusable? i mean, its a crx, the DP really is nearly kissing the radiator.

[turbob16hatch]

fail how, crack near the weld? alot of people rap stainess headers, but i would believe a dp would see more heat

Wrapping a stainless steel exhaust is mostly okay.  Wrapping stainless steel turbo manifolds can result in failures.  If you look at aluminum in the application of exhaust systems, it's almost shouldn't work.  Once you add in heat wrap, it's hard to imagine it working at all.  This just proved that.

I'm sure they did it because they didn't want to melt anything under the car or something was rubbing and they didn't want it to rub metal on metal.  The end result had to be what occurred.

What about wrapping downpipes? My downpipe molests my radiator so i was thinking about wrapping it in about a 1 foot section.

Shouldn't matter as long as it isn't aluminum.  Just remember heat wrap traps moisture and can cause some issues.

So like how long until it would degrade the downpipe to the point of unusable? i mean, its a crx, the DP really is nearly kissing the radiator.

You really are worring to much about it. as long as the welds are good and the material doesn't suck you will be fine.

[hatchboy]

fail how, crack near the weld? alot of people rap stainess headers, but i would believe a dp would see more heat

Wrapping a stainless steel exhaust is mostly okay.  Wrapping stainless steel turbo manifolds can result in failures.  If you look at aluminum in the application of exhaust systems, it's almost shouldn't work.  Once you add in heat wrap, it's hard to imagine it working at all.  This just proved that.

I'm sure they did it because they didn't want to melt anything under the car or something was rubbing and they didn't want it to rub metal on metal.  The end result had to be what occurred.

What about wrapping downpipes? My downpipe molests my radiator so i was thinking about wrapping it in about a 1 foot section.

Shouldn't matter as long as it isn't aluminum.  Just remember heat wrap traps moisture and can cause some issues.

So like how long until it would degrade the downpipe to the point of unusable? i mean, its a crx, the DP really is nearly kissing the radiator.

You really are worring to much about it. as long as the welds are good and the material doesn't suck you will be fine.

mmmmmmk

[imburne]

http://www.full-race.com/r14-fire-video.html

[runsfromdacops]

it was nice to see a 240 drive around the track insted of "drifting" and a nice bounes is to then see it on fire

[2slow]

it was nice to see a 240 drive around the track insted of "drifting" and a nice bounes is to then see it on fire

that 240 happens to be awd. it has skyline everything under it. rb engine and drive train and skiyline suspension and brakes aswell. i think it also has a skyline subframe

[bigdaddyvtec]

LOL at the prodigy soundtrack

[Joseph Davis]

It was a very foolish decision to run an aluminum exhausst on a road race based car.

This is more relevant than anyone else's criticism or opinion.  Roadrace cars burn up at a lot less power than a drag or street car, they go through 15-45 minutes worth of heatsoaked hell a couple times a day.  Most turbo based roadrace cars are lulz... massive cooling problems, they have fundamental issues with reliability.  On a tangental subject, roadracing a Scoob is considered the #1 best way to kill it.

If I had worries about PS lines and didn't have the time for a relocation/reroute, or proper heat shield, I think wrapping the PS lines would have worked better.  Aluminum doesn't latch onto heat like steel does, that would have worked better than with a conventional steel exhaust.