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I didn't know the P400 heads were different until I searched Leroy's site. Thanks.

I thought the GEP cam was a stock cam from other reports who have measured it? Pics of the intake? Pretty please. What turbo's where you running and what are you running now? Why is it quiet? I notice running oils, it almost makes mine sound like a gas engine! :eek:

Nah, just use one. :p Edit, might have the blade count wrong but I have the metal "good" one, lol.

What's the difference between P400 and Optimizer heads?

They do, both head manifolds look equal and the center piece nicely joins them. LOL, you got me, but a little vacuum, not much. :p Weird request in a cam thread but most likely its got the 4L80E.

Well, a little over a year ago, I installed the Dmax van setup, it worked awesome, nice compact setup-the first container held the pump and a 10 micron prefilter, the 2nd was the regular Dmax filter, 2 micron. My only beef was it was a bitch to prime after filter changes, I also didn't get...

I have an 8 blade fan I can sell. :p

Totally agreed and the same as what I said earlier. This type of stuff happens all the time on my Turbo Mopar forums, I've had designs blatantly ripped off.

There is no vacuum in our engines. My new engine build is using GEP van heads with the stock van intake manifolds and a custom crossover piece so I can retain my current turbo pipe setup.

I realize its because of heat, I just never knew it until I googled Inconel. Pretty neat stuff. Yeah, not sure why Nascar is but I guess they have a reason.

I thought there were some cam programs where you could play with specs and see what works? Great insight, thanks.

Interesting, Top Fuel engines use inconel exhaust valves and Nascar builds the exhaust system out of it.

That's what I will do. Just bought brand new GEP heads.

All the stock cams are the same, including the P400, IIRC. I know why vendors don't release the specs and sorry, but you can't blame them. Too much copying going on, it happened so many times in the Turbo Dodge community. I had a RV cam made for a 3.0L turbo V6, posted the specs, a person...

Wimp, :p

You can go passed 20, I ran 22 for a year, only reason I haven't gone back to it is MPG and too lazy to turn up the IP.