when is a good time to replace the stock head studs? I'm running around 21 psi with 93 octane. I do not plan to rev past redline. I did use the search button and all I could find was how to install and what ways to install the head studs. Thanks ppl.

 

Usually when you install cams.

 

yup!!!

 

I haven't heard anyone here have stock headstud failure yet, I hear more people distroying their pistons and motor. unless you are running really high boost like 25+psi. I don't think its nessesary even if you have cams.

 

Good, don't replace them, kevo. We need more cheap parts cars around.

 

Good, don't replace them, kevo. We need more cheap parts cars around.

lol

 

Not sure where I saw this, it was either here, or in an article on the vishnu site, but the stock head studs were referenced as being able take up to 23psi boost. The XEDE will give you 21psi boost, and you dont have to replace the head studs to run an XEDE. So, I would guess that if all you are going to do is run increased boost you are probably fine ...

As for not revving past redline ... planning and doing are not always the same thing. Old military axiom ... "No plan survives first contact with the enemy, intact."

 

You can overtorque the stock ones 20lbs. and they should handle anything up to 400hp.

 

Well, I just don't want to mess with the stock ones if you are only running some simple bolt ons including cams, I might be wrong but even Buschurs said you don't need headstuds for their stage 4. I ran Two track days and 16 autoxs so far this year and everything held up fine, coolant temp is rock steady at 90. no coolant lost what so ever, why would I want to mess with the head if nothings wrong with it? If you are planning to run a bigger turbo with higher boost, thats another story.

Btw, people mess with their car too much and most of the time the problems comes from the aftermarket parts they add on, just keep it simple and enjoy the car, I rather spend a few bucks in track days and autoxs.

 

I hope you weren't serious about this. The stock head studs are torque-to-yield. They're already yielding in stock form. If you torque them any more, you run the risk of stretching them and even possibly snapping them. I wouldn't want you working on my car.

 

Ayep...you've got the cover off anyway, and the studs are right there, so...

 

thanks everyone

 

Unlike a lot of aftermarket parts that can cause more harm than good, or be questionable in their quality, I can tell you this- ARP as a company has got a solid product, never a question with quality, testing, fitment, etc. So for about $100 and a few hours, I woudlnt think twice about installing a set of their headstuds, even if I wasnt going to come close to the limits of the stock stuff.