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do you mean like a Ford T-bird MAF?
that is what the splitsecond/BMP kit uses they are everywhere at the pic a parts. if anyone is interested, i'll give you the Ford part number for it.
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what about the Dr Schrick VNT variable intake for the VR-6 VW?
i know when i put one on a stock Vr-6 for a customer when i was at Karl's, it made a world of difference, then a month later i did cams and a cat back. holy shit what a difference!
here is some info on it. i will see if i can find more
Autotech Sport Tuning is your one stop shop for Watercooled aftermarket parts for VW & Audi. We also manufacture and sell our Wavetrac Differential for most popular production vehicles.
designing an intake manifold isn't really something you come decide on with a drawing. there are certainly trends to follow, but nothing is going to be more important than a little flow analysis (or a lot of it)
designing an intake manifold isn't really something you come decide on with a drawing. there are certainly trends to follow, but nothing is going to be more important than a little flow analysis (or a lot of it)
That's where having a high volume bench comes in really handy...
i was thinking that the VR-6 intake would be more akin to our motors since it is a narrow angle V-6 as opposed to our in line six. maybe a different starting point
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With the "big bang" bikes that Honda did (the RC45 or RC51, I can't remember, one of the v4s) they had all of the power pulses very close together. They did this to make the bikes more tractable. Instead of 4 smaller almost constant power pulses, they just lumped them together, big bangs further apart apparently are better for traction than consistent smaller ones. I don't know how or why Yamaha did the big bang engines, but the way Honda did it, a massive plenum would have been required, If they even used one, I don't know.
do you mean like a Ford T-bird MAF?
that is what the splitsecond/BMP kit uses they are everywhere at the pic a parts. if anyone is interested, i'll give you the Ford part number for it.
I was thinking no maf at all... use map sensor with megaquirt. and the valve for the control of the higher rpm runners controlled by rpm and not amount of air.
The runners should have an estimated rpm efficiency before built so there wouldnt really need to know amount of air going in. IMO
I was up above it, Now I'm down in it ~ Entropy - A Build thread. @Zakspeed_US
why bother with a plenum? why not just spend your time and money on setting up some ITB's and run them with either a large filter or 6 sock filters???
I have looked a lot at manifold design when i wanted to build my old m20 into a high output NA monster. alfa runs a pre chamber within the plenum to better distribute the air as opposed to the 1st cylinder receiving more air than the 6th cylinder. This also helps resonance. I have a couple of books with some good information in them. Ill try and scan them in for you guys. There is plenty of information on the web for other engines about plenum design.
But as i said originally, if it were me i would just go some open to air trumpets or the like like an old school race car.. less restriction than having a plenum, intake tune to the plenum plus a maf if your not going to be running a map sensor
designing an intake manifold isn't really something you come decide on with a drawing. there are certainly trends to follow, but nothing is going to be more important than a little flow analysis (or a lot of it)
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