so, over the weekend i destroyed my dart block and everything bolted to it. the stem didnt lock in the guide, it seems the head broke off the stem.

what valve is everyone having good luck with, been running hard for a while...

 

Ferrea 6000 here

 

Ferrea comp plus. Plus ferrea valvelock. Oem guide though.

 

I had an ST valve break off at the head of the stem back in 2011. oyyyyyy

I use all ferrea 6000 at minimum now.

 

Ouch man really sorry to hear that. Your car was such a beast for a 62mm setup.

What valves were you running?

 

Seen of a few supertech valves do the same ( but some also weren't 100% the valves fault ) ... we use Ferrea now a days though on larger setups.

 

I will only use ferrea comp plus in my car. Save your money now or spend big $$$ later..

 

Ferrea

 

Chalk up one more for Ferrea!

 

Supertech.

 

Ferrea Comp Plus is what I use.

 

Ferrea comp plus only. Install is a huge key with any valve.

 

Will be using 6000 series in my head, though I was suggested to use comp plus. Whats the determining factor(s) to use the comp plus? Hp, rpm range, etc?

 

that really suck, what valve were you using ?

 

will be running supertech this time around.

 

Damn brotha, sorry to hear.

 

thank you everyone! ferrea comp should be fine for a street car right? I will release the name of the company after I hear back from them about my situation.

so get the matching springs and retainers too I take?

 

I've never had a bad experience with ferrea valves and probably wouldn't consider anything else.

 

For sure, get the entire Ferrea valve train with the exception of the Valve Guides. Jason at CNC Port told me when they did my head they never use their valve guides because they are too big and have cracked.

 

The comp plus are made for high heat situations i.e. Forced induction or nitrous use.

A few head guys that I talked to suggested to run 6000 series on intake, and pro comp on exhaust side, to save a little coin.

 

Ive had supertech in my car for 6 years with no issues..
Bought their new springs and the inconel valves last time I had the head off for a refresh..

 

Supertech has worked great for the last few years!

 

My guess is STs failed you... AMIRITE

 

nope lol.

 

anyone have this problem?