AFR 325 flow sheets.... anyone ever flow these heads?

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01-09-2017, 08:33 PM

#211

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Quote:

Originally Posted by Full Force

what cam am I supposed to use? you never answered Joe...

I did answer Joe,

01-09-2017, 08:34 PM

#212

Full Force

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Quote:

Originally Posted by SB

You need to calm down. Otay ?

You take every freakin thing as an attack.

What the hell dude ?

To be honest, I am having a chitty day, and you always push for issues and pages, and just fuel fires... thats what.

01-09-2017, 08:34 PM

#213

vintage chromoly

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Quote:

Originally Posted by getrdunn

Really. By the pic it looks like .010 to .015 or so wear. Camera effects? Just asking cause I've run endurance cams for hundreds of hours and not have what appears to be wear from roller. Interesting though anyway. Tks for posting

If .010 to .015 of metal came off of the lobes, there would be quite a bit of engine damage.
That is simply not the case.
Pictures on the Internet can be very deceiving.
Again, let's stick to the facts and what has been determined by those who have inspected the cams IN PERSON!

01-09-2017, 08:35 PM

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Quote:

Originally Posted by MILD THUNDER

The 315's are a great head. You heads, were not ran out of the box from AFR though. They were tuned up , received DEL WEST valves, and some other work before being installed on the engines originally. Those engines came from Chicago, and were dyno'd at Fast Times Motorworks back when they were orignally built.

315's have been 'over achievers' on many engines.

Fast Times was and probably is still, good peeps.

01-09-2017, 08:35 PM

#215

MILD THUNDER

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Sorry, but I've seen quite a few steel billet roller cams come out of engines, with 5x as many hours, 1 that came out of a factory GM engine that had 200k miles on it, and did not have wear marks like that.

Not buying that story. And realistically, if it was a manufacturing defect, that should have no bearing on Bob Madera's end, so I'm not blaming anyone.

01-09-2017, 08:36 PM

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bck

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Unless the person who ported them did a before and after on the same bench with the same procedure, or better yet a before and after on the dyno it's not of much use.
Edit- regarding Tim's head porting

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Last edited by bck; 01-09-2017 at 08:38 PM.