shaft mounted rocker arms...WTH?!

[hollywoodstang]

What's up guys

I have questions for you guys, When does the shaft mount rockers come into play? like jesel and T&D? is it depending on cam lift size or motor size?

When do you actually need them? isn't this overkill on small block ford?

I am asking because my engine builder said he will be using shaft mount rockers on the new motor.

I dont know much about shaft rockers, I just know that are stupid expensive and looks awesome :/

 

[gmkillr]

When you start getting into the 7000 rpm range id say a shaft mount should come into strong consideration.

I used the T&D shaft mounts on my TW 7800 rpm 369 stroker
Mainly for valvetrain stability at the high rpm.

 

[RIO5.0]

They are nice units if you have the money to spend and your gonna put the boots to it RPM wise. I looked at them for my build and was close to getting some...mostly cause I was looking to make a bullet proof valvetrain.. Then figured it was really a waste for just my street motor.

Your right though...they do look sweet... What is the budget on the motor ???

 

[revhead347]

I think you need to call your motor builder back and tell him to get real with the budget. Shaft mount rockers are totally unnecessary on a sub 7000rpm engine. You can turn 8000 rpms with stud mounts and a girdle.

Kurt

 

[final5-0]

I'll throw in with what they said

For most street car apps ........

Regular ole roller rockers do a nice job

You know ... Cost Justification and all that kinda stuff

I do like stud mount over ped rr's myself
and
I do run em on my AFR 's

Grady

 

[4Jenna]

Dunno what your building, but I always say put the best rocker on you can afford.

 

[hollywoodstang]

I ended up getting the shaft rocker arms from him, It's jesel, It's new, He gave them to me for $400, He was doing me a favor because he had these shaft rockers just sitting at the shop from abandoned project from someone else, I couldn't pass them up, they retail for $1000 from summit. I know i am not gonna turn the engine to 7000rpm but wth.... you only live once.

I am building a new motor, Just need to decide if i wanna stay 306 or go 331, I am still back and forth.
I was supposed to do this year ago, so i am getting it done this time around, I got everything already, Just need to get pistons from JE since they are local, rods(scat i guess), cam from Isky who is also local, as soon as i decide. I am sticking with stock block and stock crank if i decide on 306.

Thinking about just doing 306 again and throw a small turbo on there and let the turbo do the work and call it done....

What you all think?