Header gaskets

[Captain Call]

Which ones are the bestest most greatest these days? 460 with D0ve c heads.

 

[TrikeKid]

Remflex is all I'll put on a 460.

 

[ANGELO]

I used copper rtv

 

[reptillikus]

Remflex is all I'll put on a 460.

Holy shit yeah. First time i bought a set (coincidentally also a 460) i was blown away how much better they are than everything else out there.

 

[Gumbybronco]

I used copper rtv

Me too. Headers flex more than cast iron manifolds and my rig flexes adding more strain to the exhaust.

I have also learned to use the longest header bolts that fit. Gives them more grip and endures heat cycles better.

 

[Captain Call]

Remflex are ordered.

 

[bdkw1]

Good exhaust bolts go a long way to preventing leaks. Studs are better. Retorque while hot after a couple of heat cycles.

 

[Thatg9659]

No experience with remflex, but I prefer MLS on exhaust parts. That soft layered foil shit doesn’t last.

 

[Gravy]

After replacing a cummins manifold.

Does anyone think using spacers between the flange and nut would help

 

[PAE]

Used solid copper gaskets on the BBC engine in my flatbottom boat.

 

[bdkw1]

Also it's a good idea to check the header flange for flatness. Most are not.

 

[Captain Call]

Already studded. Many miles on this set of gaskets. Truck sat for 6mo while I was working out of town and the rear end was apart. Now, it's back on the road and has developed a small leak. Just need gaskets. Wanted to know what folks are using.

 

[arse_sidewards]

Thick gaskets are a dumbass bandaid for flatness problems.

Flatten whatever is bent and RTV that shit.

It it won't stay then it's probably because your exhaust is poorly built garbage that's putting a ton of force on the joint. Flex pipes are cheap enough there's no excuse.

 

[Gdogg]

Copper RTV, I use to work at Roush, you see those cars going around the track, they had copper RTV on the headers. That was a few years ago but it worked no problem.