Head Studs really needed?
Which leads me to agree with folks stating the knock being much more of a factor than how much boost you run; if you have a very conservative tune with basically no knock with 10 psi more than stock then I would not worry; however, if you even run stock boost and have moderate+ knock, you will see more than 10 psi than stock in your cylinder. I truly believe that the agressiveness of your tune (timing and afr) is much more of a variable in the transfer equation than simply the amount of boost you run.
knock lite install was very easy. Wires for:
swichted power (radio etc.)
ground
rpm signal
knock signal
it is a very useful tool for real time knock monitoring.
swichted power (radio etc.)
ground
rpm signal
knock signal
it is a very useful tool for real time knock monitoring.
anyone else have had studs stretching or headgaskets blowing under high boost pressure? this is a good thread to see the stats on what's going on out there. For the originator of the thread, can you do a stat for this thread?
After some front end damage - I did recently switch to an aftermarket small radiator kit - and went back to the stock intercooler. Not sure if that combination is my issue?? I do know both will lead to a bit more heat on the engine.
Whatever the issue, I'm working to troubleshoot that now! My engine oil looks fine (not milkly) so I might be ok on the head gasket arena??
My tuner that installed my cams, retainers & springs didn't recommend Head Studs even though I peak at a slight tick under 25 PSI, now I have been talking to another tuner here locally and he highly recommends getting them done. He did however say that all tuners are different and have different taste of tuning. He says I'm on the rather high side of the spectrum for his liking and that he would definitely do the Head Studs for piece of mind.
My evo bothers what do you think? Sorry for the duplicate thread in Evo X forum
My evo bothers what do you think? Sorry for the duplicate thread in Evo X forum
I run 30psi daily and have had no problems. The main thing to worry about is detonaton. If you have a knock free tune there should not be any problems. But once you change a head go for the arp studes
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From: wexford,pa
im running meth on a stock turbo and have no intention on upgrading studs. Boost is definetely not the cause of concern its detonation. And since my tune is consevative I dont have to worry about detonation with 28psi of boost.
if you didnt do them when u did the cams forget about them til you push 30 psi. i ran 30psi on meth with the stock turbo for over a year with no problems. when i put the red on i did them though.
I'm running stockers for now at about 29psi. Everything seems fine, then again, I don't have too many miles on my car. If it pukes coolant it will just be an excuse to do some upgrades 
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