nothing of importance
#1
nothing of importance
I thought this might interest you guys that are into the hp chase. I've been working on and will be for a while, a special motor. I'm at the head stage and will pick them up next week. In the meantime, the head shop that did the work has sent me a before and after flow chart. The heads now have a custom 1mm oversized intake and exhaust valves, Ferrea springs, bronze guides and are fully ported. Enjoy this expensive bit of info and please, no questions on "how much did it cost". If you have to ask, you quite possibly couldn't afford it. Any engineers care to chime in?
![](https://img264.imageshack.us/img264/4866/flownumbersww8.jpg)
#2
Blown is Best
This is interesting info. First time seeing something like this for me.
Interesting how you lost flow on the intake on the lower lifts. Looks like lots of gains on the exhaust side. Not sure what all this translates into but I'm sure it = Big HP
Interesting how you lost flow on the intake on the lower lifts. Looks like lots of gains on the exhaust side. Not sure what all this translates into but I'm sure it = Big HP
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#3
2600lb CL
iTrader: (2)
I was seeing that as well. Seems like a little bit of lose in the low end, but definite gains in the mid to high end. Altough, if it were to be boosted, I could see the low end get some more airflow (depending on the setup). Either way, this thing will definitely pull. Nice to see someone build an NA monster (from my understanding, that's what you were doing, correct?).
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#4
they were flowed based on na, to do a flow that simulates boost, a whole bunch of details to do it correctly would have to be done. Under boost, those numbers would be different, and the heads are for a boosted motor. the intake side of porting was limited, the thickness of the heads in the runners are thin. the exhaust side does show some impressive numbers compared to the intake, and that will aid when all is working together to get the hot exhaust gases out quicker.
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