[b-man]

Same old sh!t.

[Gach]

Originally Posted by b-man

Same old sh!t.

Yep, do usual suspects. Over and out !

[Stan Weiss]

Gach,
I have actually posted cam data which shows exactly what happens when a rocker arm ratio change is made.

I have actually posted cam data which shows exactly what happens when a lash change is made.

What exactly have you provide for the OP?

Stan

[b-man]

Originally Posted by Gach

Yep, do usual suspects. Over and out !

Said the usual suspect.

[Gach]

Originally Posted by b-man

Same old sh!t.

Originally Posted by b-man

Said the usual suspect.

Its pretty obvious whats going on, that probably makes me a usual suspect.

[slowbird]

Originally Posted by Gach

How’s that BBF making out, you should get Stan to change that for you. It’s embarrassing. is it going to make it off the dyno this time. Yes having lunch with Dan Barton you are clueless. The only guy I know who answers a question with a question. I had your number a long time ago. Like I said birds of a feather flock together.

Steve c your up next.. oh wait I think its Stans turn, hurry up Slowbird is waiting in the wings, one lies and the other swears to it.

You're so easy to wind up.

[Steve C.]

Quibbling over semantics....

From post #20
"He wouldn’t really answer me, because I think he saw the controversy over the Comp cam 4470/4360 lobe."

I used the numbers as posted in the above example, without a decimal point.
Numbers that I presume is the amount of lobe lift.
As pointed out when Comp lists their lobe lift numbers in the catalog they are with three digits.
Some might choose to use four digits.

.447 lobe lift x 1.75 rocker ratio = .782
.4770 lobe lift x 1.75 rocker ratio = .782

Onward thru the fog


.

[Stan Weiss]

While changing rocker arm ratio and valve lash help you dial in a camshaft that is not optimum, they do it differently. The green line is with the 1.65:1 rocker arm ratio and 0.021" lash the cam was designed for. The red line is 1.65:1 rocker arm ratio and 0.0154" lash. The blue line is 1.8:1 rocker arm ratio and 0.0229" lash. What we can see is that the green and blue lines have the same opening point / seat-to-seat duration while the red line has an increased seat-to-seat duration. The blue starts to show more duration than the red line after 0.0671" valve lift (which is 0.050" lifter raise). This is not always where that will happen. I selected the change in valve lash to cause it to happen there.

Stan