+1 on the BC

 

Fully built head here. All supertech.

 

stay away from BC cams/springs.

i have seen first hand what these springs and cams do and have lived night and day around them. They are garbage and im sorry if i offend anyone.

your valve train is the main powermaker on your car along with the entire head itself.

why would you skimp out with garbage springs, do springs that are proven to work not just "work".

IMO im great friends with the guys at manley and they make unbeleivable stuff.

I would highly reccomend looking into the manley springs with retainers and locks.

you will not be disapointed.

be smart not just follow the train to junk springs.

 

How does that limit you with a stock head and aggressive cam? I plan on the GSC S2's with their beehive springs or FP4R's with FP's beehive springs.

 

OEM retainer is the limiting factor. it will touch the valve stem seal when compressed above .450"

 

Not offended. But over 50k on my BC Cams springs and retainers. The car frequently see's 8k+. No signs of any negative effects. BC 272's, Springs and Ti retainers

Made 30whp with the cams when they were installed 50k ago on the stock turbo. I am upgrading the cams soon to complement the 61mmBB and the springs and retainers will work just fine for the added lift.

Thanks for your concern but my head is AOK with its 110k bad self