who is running these? what rpms are they good for? im curious as to how high my powerband will go up with bc stage2 cams, cp 11:1 pistons and manley rods.....

md 5/16 spacer, afe stage2 intake, mr lth, 3" ss mandrel single exhaust are what boltons i'll have on it as well. and osiris tuned.

 

Why are you going with BC springs instead of the JWT? Most of the guys I've seen build for NA used JWT springs and some of them are revving to 8200-8300

 

why not? lets just say i got a really good deal on the whole package. and i have no doubt bc valvetrain can handle the revs. i built a dsm 6bolt motor with bc valvetrain and it held up nicely. i was just curious as to anyone that had them or knew about them from experience on the vq

 

we use BC valvetrains on all our cars, they have performed flawlessly. Do you have springs, retainers, and valves? Personally I'd stop at 8000, just to be on the safe side and know that there's some margin or error.

 

I doubt there is much difference between the JWT and BC when it comes down to it. If you got a good deal then I'm sure I would have done the same.

 

im keepin stock valves but i got the stage2 cams, springs and ti retainers. tech at bc said they're good to 9k although ill never see that. i figure a 8k limit, but might see my powerband drop off a lil before that........the dyno tuning will show me where to stop lol

 

this

 

what deal you get and did you say your going FI? How was the gains?

 

I am very close to buying the BC valves, springs and retainers. I already have the stage 2 cams in the car, and they are great no complaints.

 

Can you tell me what difference you feel with them in, what does ur car idle at, fuel chance, are your FI? Bad, the good !! THanks

Oh and thats alot of work to put them in, why didnt you do it when u put cams in?

 

they doin their job in my motor!

 

Car did not idle for me at all, I had to bump my idle up. I am TT so a retune and I picked up noticeable midrange, and kept making power until redline. I didn't do the springs and retainers, because I wanted to do the valves at the same time.

 

Can i get away with HR springs and is there HR retainers (are the HR ones better than DE) and still good enough for stage 2 cams? I dont want to rev to 8000 or anything crazy... Whats the diff between valve shim and retainer ?