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 Write-Up: Wrapping Exhaust Headers

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robotennis61
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PostSubject: Re: Write-Up: Wrapping Exhaust Headers   Tue Jun 19, 2012 10:51 pm

they look awsome.Despite your wearing gloves I bet you have the itchies ?
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RidzRiv
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PostSubject: Re: Write-Up: Wrapping Exhaust Headers   Tue Jun 19, 2012 11:47 pm

Those look great AA! I'm considering wrapping the heat shield on my crossover to help keep the throttle body cooler. Is there a spray or something that you can put on before the wrap to help keep it from rusting?
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AA
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PostSubject: Re: Write-Up: Wrapping Exhaust Headers   Tue Jun 19, 2012 11:56 pm

They make a silicone spray, but it goes on after to add strength to the wrap. Sometimes exhaust parts rust from the inside - condensation collects from moisture in the air & the combustion process. Taking short trips can escalate the problem.

I wouldn't wrap an unprotected set of headers, or mild steel types, but with ceramic coated stainless, it's worth a try in my case.

_________________
'98 SC Riviera 268k miles 298 HP/370 TQ 0-60: 5.79s ET: 13.97 @ 99.28 4087 lb 20.1 avg MPG Nelson Ledges Lap: 1:30
3.4" pulley AL104 plugs 180 t-stat FWI w/K&N 1.9:1 rockers OR pushrods LS6 valve springs SLP headers ZZP fuel rails
KYB GR2 struts MaxAir shocks Addco sway bars UMI bushings GM STB Enkei 18" EV5s w/ Dunlop DZ101s F-body calipers
EBC bluestuff/Hawk HP plus SS lines Brembo slotted discs DHP tuned Aeroforce Hidden Hitch


'05 GTO 49k miles 0-60: 4.8s 16.9 avg MPG Nelson Ledges Lap: 1:26
Because fun
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RidzRiv
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PostSubject: Re: Write-Up: Wrapping Exhaust Headers   Wed Jun 20, 2012 12:08 am

Dang, I guess i'll just have to make a heat shield for the throttle body with some reflective wrap.
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AA
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PostSubject: Re: Write-Up: Wrapping Exhaust Headers   Tue Jul 10, 2012 11:12 pm

Just a follow-up - got the headers installed last weekend. Before starting the engine, I soaked all the wrap with a garden hose from the top and bottom. Took a 20 mile drive to heat them up, letting the water steam off. Under hood the exhaust is now a bit quieter!

I don't have a way to measure and compare, but it does seem a bit cooler under the hood now. After a 30 mile drive, I touched the wrap with a finger - it was hot, but it didn't burn me. Before I tried that with bare headers and got an instant branding.

So far I'm up to 150 miles on the wrapped headers with no cracks or leaks yet; the wrap seems to have hardened in place, and still looks exactly like it did new. I'll give an update after 1000 miles, or if anything happens.


_________________
'98 SC Riviera 268k miles 298 HP/370 TQ 0-60: 5.79s ET: 13.97 @ 99.28 4087 lb 20.1 avg MPG Nelson Ledges Lap: 1:30
3.4" pulley AL104 plugs 180 t-stat FWI w/K&N 1.9:1 rockers OR pushrods LS6 valve springs SLP headers ZZP fuel rails
KYB GR2 struts MaxAir shocks Addco sway bars UMI bushings GM STB Enkei 18" EV5s w/ Dunlop DZ101s F-body calipers
EBC bluestuff/Hawk HP plus SS lines Brembo slotted discs DHP tuned Aeroforce Hidden Hitch


'05 GTO 49k miles 0-60: 4.8s 16.9 avg MPG Nelson Ledges Lap: 1:26
Because fun
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http://www.cardomain.com/ride/657082/4
RidzRiv
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PostSubject: Re: Write-Up: Wrapping Exhaust Headers   Tue Jul 10, 2012 11:51 pm

Nice, you must be getting cooler under hood temps!
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denim
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PostSubject: Re: Write-Up: Wrapping Exhaust Headers   Wed Jul 11, 2012 7:43 am

AA, Speaking of high temperatures, hope you're not anywhere near this mornings train derailment.
That'll take the paint off the car.
http://www.timesunion.com/news/article/Ohio-freight-train-derails-causing-fiery-blast-3698403.php#photo-3181230
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AA
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PostSubject: Re: Write-Up: Wrapping Exhaust Headers   Wed Jul 11, 2012 8:51 am

Heard about that! About 5 miles away. Craziness.

_________________
'98 SC Riviera 268k miles 298 HP/370 TQ 0-60: 5.79s ET: 13.97 @ 99.28 4087 lb 20.1 avg MPG Nelson Ledges Lap: 1:30
3.4" pulley AL104 plugs 180 t-stat FWI w/K&N 1.9:1 rockers OR pushrods LS6 valve springs SLP headers ZZP fuel rails
KYB GR2 struts MaxAir shocks Addco sway bars UMI bushings GM STB Enkei 18" EV5s w/ Dunlop DZ101s F-body calipers
EBC bluestuff/Hawk HP plus SS lines Brembo slotted discs DHP tuned Aeroforce Hidden Hitch


'05 GTO 49k miles 0-60: 4.8s 16.9 avg MPG Nelson Ledges Lap: 1:26
Because fun
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http://www.cardomain.com/ride/657082/4
charlieRobinson
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PostSubject: Re: Write-Up: Wrapping Exhaust Headers   Tue Dec 18, 2012 7:42 pm

Aaron, any updates in the last months with wrapped headers? Is there anything you've noticed since your installation?
I don't know why but I was thinking about wrapping headers today and it sounds like a good idea, but for a daily driver, don't you think the insulation would just roast your pipes at stops? If you are at the track and always cycling air and shutting the car off at most stops, maybe it's ok. Perhaps your ceramic coated SLPs are invulnerable to idle roast sessions?
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AA
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PostSubject: Re: Write-Up: Wrapping Exhaust Headers   Tue Dec 18, 2012 8:03 pm

In addition to the comments posted above, I've put over 7000 miles on the engine. Amazingly, the wrap is still holding in place, and in like new condition. Winter will be the true test, but I've driven in plenty of rain with no issues. I think it helps that the engine isn't leaking any oil or coolant, and I'm careful not to spill fluids on the headers when under the hood.

A couple months after the install:


_________________
'98 SC Riviera 268k miles 298 HP/370 TQ 0-60: 5.79s ET: 13.97 @ 99.28 4087 lb 20.1 avg MPG Nelson Ledges Lap: 1:30
3.4" pulley AL104 plugs 180 t-stat FWI w/K&N 1.9:1 rockers OR pushrods LS6 valve springs SLP headers ZZP fuel rails
KYB GR2 struts MaxAir shocks Addco sway bars UMI bushings GM STB Enkei 18" EV5s w/ Dunlop DZ101s F-body calipers
EBC bluestuff/Hawk HP plus SS lines Brembo slotted discs DHP tuned Aeroforce Hidden Hitch


'05 GTO 49k miles 0-60: 4.8s 16.9 avg MPG Nelson Ledges Lap: 1:26
Because fun
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http://www.cardomain.com/ride/657082/4
charlieRobinson
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PostSubject: Re: Write-Up: Wrapping Exhaust Headers   Tue Dec 18, 2012 8:10 pm

Beautiful. And it seems like you made it through the hottest part of summer without a hitch too. Very nice. I wouldn't wrap anything but the Ceramic SLPs. Just in case... ?
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charlieRobinson
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PostSubject: temp   Sun Jul 13, 2014 8:30 pm

For best gains, should the speed daddy 304 header set be fully wrapped in header tape? Or should I just wrap the cross over and downpipe?

Thank you

EDIT:

just saw Scott's write up on his header wrap here:
http://rivperformance.editboard.com/t9388p15-write-up-wrapping-exhaust-headers#108384


Just what I was looking for! Nice, Scott!
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