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Dual Throttle Bodies? *no 56k*
Does anybody have any technical input on a intake manifold setup like this? The manifold is made to a style of a reversal merge collector (basically the opposite of an exhaust manifold) Can you go too big on an intake manifold? Which do you think flows better, traditional 'box' style manifold or the merge collector style? Would there be a negative effect becuase the runners are not equal length? (boost not getting to each cylinder at the same time)
https://streetchallenge.com/uploadpix/up/0GT35R0002.jpg https://streetchallenge.com/uploadpix/up/0GT35R0001.jpg sorry if pics are too big |
Re:Dual Throttle Bodies? *no 56k*
they wouldnt put it on if it had a negative affact, now would they?
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Re:Dual Throttle Bodies? *no 56k*
Holy ---- that's crazy.
I'm sure you can go too big on an intake. Tinker built a custom manifold with a collector style. I'm not sure how it worked out for him, but he did it. You should contact him for info on it. www.lovefab.com __________________ Best Car Insurance | Auto Protection Today | FREE Trade-In Quote |
Re:Dual Throttle Bodies? *no 56k*
You would think a collector style intake manifold would have to flow so much better than a traditional manifold. Think of the increase in air velocity becuase the air would be traveling directly into the combustion chamber instead of having to pressurize a box. Kinda like the log style vs merge for exhaust manifolds.
The only problem I could see would be with the difference in runner length boost would not be equally distributed at the same time. Therefore the first couple of cylinders would see boost first while the longer runners wouldn't/ |
Re:Dual Throttle Bodies? *no 56k*
Originally Posted by Whitey
The only problem I could see would be with the difference in runner length boost would not be equally distributed at the same time. Therefore the first couple of cylinders would see boost first while the longer runners wouldn't/ __________________ Best Car Insurance | Auto Protection Today | FREE Trade-In Quote |
Re:Dual Throttle Bodies? *no 56k*
The way I look at the stock manifold is that there is no direction for the air so the velocity is not directed towards the individual cylinders, instead it hits a wall and pressurizes the box than the compressed air is forced into the cylinders. Think of it as water instead of air. If you took a hose and sprayed it into your stock intake manifold it would hit against the wall of the stock manifold, loose its velocity and equal out the pressure to the cylinders. Now if you had a merge collected manifold with individual runners you would maintain the velocity and shorter runners would make the water reach the cylinders earlier. Doesn't it make sense?
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Re:Dual Throttle Bodies? *no 56k*
I want to see what the rest of the car looks like! it looks like its in a hotel or something?
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Re:Dual Throttle Bodies? *no 56k*
Originally Posted by onyx
I want to see what the rest of the car looks like! it looks like its in a hotel or something?
https://streetchallenge.com/uploadpix/up/0GT35R0003.jpg Custom 3.3 stroker kit GT35R twin turbo's Fuel custom modification intake and piping. Distributor cap ignition system ( This is something else I don't understand why you would do) Dyno's last at 1100rwhp @ 35psi Chevy Turbo 400 transmission |
Re:Dual Throttle Bodies? *no 56k*
damn that is a nice car! i would park taht ---- on carpet too ;D
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Re:Dual Throttle Bodies? *no 56k*
think about what GSR manifolds do. they open SHORTER runners for high rpm operation.
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Re:Dual Throttle Bodies? *no 56k*
my big crappy truck has 2 throttle bodies and two intake tubes. its funny looking, ill take a pic sometime if i remember (yeah right)
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Re:Dual Throttle Bodies? *no 56k*
The intakes job is to get the most filling while the valves are open. In order to get even more filling then just a straight pipe into the cylinder like that the use a manifold that is tuned to the legnth and X-secional area to what rpm you want that extra filling. When the valve closes air that was moving into the cylinder builds up behind the closed valve and makes a pressure wave that is reflected back up the intake runner, hits the back of that plenum and then travels back down and arives when the valve opens again. On a system like this they choose to get the advantage of low restriction to the advantage of the resedence effect. This should work like ITB up to but kinda suck at low RPMs.
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Re:Dual Throttle Bodies? *no 56k*
Yeah, low rpms have got to be pretty jumpy, but with a car that peaks at 1100 hp, why would you be at low rpms...
Looks sick, and I think that's what they were going for. |
Re:Dual Throttle Bodies? *no 56k*
Originally Posted by 88b16civic
The intakes job is to get the most filling while the valves are open. In order to get even more filling then just a straight pipe into the cylinder like that the use a manifold that is tuned to the legnth and X-secional area to what rpm you want that extra filling. When the valve closes air that was moving into the cylinder builds up behind the closed valve and makes a pressure wave that is reflected back up the intake runner, hits the back of that plenum and then travels back down and arives when the valve opens again. On a system like this they choose to get the advantage of low restriction to the advantage of the resedence effect. This should work like ITB up to but kinda suck at low RPMs.
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Re:Dual Throttle Bodies? *no 56k*
------- ground zero guys have more money coming out their ass....
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Re:Dual Throttle Bodies? *no 56k*
help me, I am lost in the web of tubes :'(
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