ANyone ever heard of putting RTV on your Cyl Head bolts? This is new to me!

[Starscream88]

Ok,


Finally I got round to buying my AFR heads lol

Now I was thinking of ARP bolts this time,

However people have told me that I need to use thread sealer (or RTV) On the Cyl head bolts???

WTF?
Ive never done this before and everything has been fine,

Is it really 100% needed?

Discuss

 

[5spd GT]

I would not put RTV on the head bolts...because if you ever have to pull them out...it would be a mess inside the "holes"...

Just use thread sealer on the bottom bolts and 30w oil on the top...I just installed my AFR 165's the other day...haven't got to start it yet though...

 

[NoSloCoupes]

People use thread sealer on the lower bolts that go into the coolant passages. For what its worth i've used it with no leaks...and i've not used it with no leaks.

 

[RacEoHolic330]

i used the black rtv on the lower end of my head studs, and there have been no leaks. If I were using bolts i would have used thread sealer instead incase i need to pull the heads.

 

[10HoleLX]

The head bolts on the stock 5.0 HO passenger head do go though coolant galleys.

Use a light coat of liquid teflon not RTV.

My brother intalled a set of GT 40 Heads on his 95 Gt and one of the bolts on the passenger head began to leak coolant a few weeks after the install.
We pulled out (the second to last from fire wall) the head bolt and applied liquid teflon on the threads and it sealed it.

 

[88stangmangt]

ya dont use rtv only thread lock.....

 

[Look Its Aaron]

I never heard of anyone using RTV. you said

 

[HISSIN50]

i believe ARP makes dressing for the bolts through coolant passages - highly regarded.

 

[Michael Yount]

I'm with Hissin - highly recommend using ARP combination thread sealer/moly thread lube. It's the best.

 

[5spd GT]

i believe ARP makes dressing for the bolts through coolant passages - highly regarded.

ARP Thread Sealer...that is what I used...(white in color)...it comes in a tube about the size of toothpaste...you get plenty of it...

 

[Rick 91GT]

I'm with Hissin - highly recommend using ARP combination thread sealer/moly thread lube. It's the best.

I have to agree, it also ensures proper torque....

 

[Starscream88]

ok now another Q,

Can you use thie thread sealer with Part Store Replacement head bolts?
I dont think im gonna go stud route,

Also where do you get this thread sealer?

 

[Michael Yount]

I got the ARP sealer/lube at my local performance parts store. Yes, it works with studs or bolts; and because it lubes and seals threads, you can use it on just about any fastener.

 

[TheUser]

I got the ARP sealer/lube at my local performance parts store. Yes, it works with studs or bolts; and because it lubes and seals threads, you can use it on just about any fastener.

Yep, Summit also has it...it's like $8-9, but like someone said, you get plenty of it. I've used it a lot. It also brings your necessary torque ratings down, so be sure and read the directions. I think it took my head studs from like 80lbs w/ regular lube down to like 70lbs w/ the arp thread sealer.

 

[forrealb50]

My friend runs the website in my sig. He sells that stuff pretty cheap. Cheaper than summit. He's got the assembly lub, sealer, and the ARP studs.

Here's the link...

The link to the products on the website...