Where can I get it and how does it hold up to the header heat. Thanks

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86Z28, GM 350, Jet perf Q-jet & chip Dual snorkel air cleaner, Edelbrock performer intake, Edelbrock headers, Edelbrock cat-back, Off road pipe, MSD 6AL, Accel Super Coil, Taylor Spiro-pro wires, Rapid fire plugs, Jet fan switch, World class t-5, Hurst Short Throw Shifter, Ram Flywheel, Center force dual friction clutch,Aluminum drive shaft, BW disc rear 3.45's & a posi, PBR calipers, Earls braided brake lines, Polygrapite bushings all the way around, poly tranny mount & torque arm mount, Hotchkis lower control arms & panhard rod, Rancho limiter straps, KYB struts & shocks, Gm Wonderbar, Edelbrock strut tower brace, SSM sub frame connectors, Jamex lowering springs, Carbon metallic brake pads, Crossed drilled rotors, Mobil 1 Tranny fluid & motor oil, GM syntheic rear end oil, K&N, Grant stering wheel, 1,200 watt system, Jet Black Paint, 91 Z28 rims, 92 wing, Tinted windows.

 

Normally you don't use sealant on your header gaskets.

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92 RS, 350, Street & Performance MPFI, TFS heads,
Crane Rollers,
MSD Digital 6 Plus, 22lb injectors,
ZZ3 cam, Edelbrock Headers 1 5/8, 3" Exhaust,
Hi Flow 3" Cat, stock T-5,
stock rear 3.08, koni yellow adjustable front, twin turbo glass hood, T-tops, Auto Meter Ultra Lite Series 2 5/8 gauges, Teal Green

 

I have used permatex ultra copper with good luck on my cars. As for the gasket it self I used felpro exhuast manifold gaskets on my edlebrock TES headers. I have used these gaskets for over 3 years on my '69 camaro with no problems. The only reason it was only 3 years was I took them off to repaint the headers. Last night this is what I used the replace the crapy Mr.Gasket ultra seal (read ultra $hit) after it blow apart after only 3 weeks.

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1987 Camaro IROC-Z w/ 305 tpi/5-speed/9 bolt 3.45 gear/L98 Corvette heads/ T.E.S. headers/ LT4 production cam/ 1.6 rockers/ Flowmaster exhaust.
1969 Camaro with '96 350 vortec truck engine w/ mods

 

Normally, yea... you dont use any.

When you have a problem child (like me) you try different stuff, and Permatex Ultra Copper (PN#101BR). Seems to be working pretty good so far.

 

we used that stuff on the racecar gaskets.. worked great never had a leak, even though we got them headers hot as hell!!