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Thread: Center Fed manifold

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Posts: 71-80 of 121
2013-09-15 22:10:37
#71
Jesh, I need to get on the forums more. When did excessive start making center feed plenums lol...


updates! ??????
2013-09-15 22:17:10
#72
Theyve had them for a looong time, just everyone's been using them on the k series.
2013-09-16 14:28:54
#73
I tuned the car on Saturday We still not sure what were the problem with the motor but I suspect that one of the issues its that the motor its knock limited with his new combination and also I thing the new angle of the TB on the plenum and the radical bends on the intake piping were hurting the air flow @ high rpm since the motor was making 165ft/lb @ 5500 but the motor didnt wanted to make more power after 7600 just a straight line to 8600 so there its a restriction on the intake side!!
2013-09-16 18:59:06
#74
yes that's true what cuold it be
2013-09-17 00:25:12
#75
Would have been nice to just try a straight intake on the dyno to see.
2013-09-17 02:04:22
#76
im.putting It up for sale or im going to try it with normal vvl runners
2013-11-05 21:07:22
#77
Mercado did you do any further testing with this?

I thought the rise in torque was really promising. As others mentioned, a less turbulent and straighter intake path might be a solution to the higher rpm power loss.

I have this plenum also, and will be testing on regular SR20VE runners with a bottom mounted Q45 throttle body in the new year.
2013-11-05 21:11:33
#78
Originally Posted by SR20-AUTECH
Mercado did you do any further testing with this?

I thought the rise in torque was really promising. As others mentioned, a less turbulent and straighter intake path might be a solution to the higher rpm power loss.

I have this plenum also, and will be testing on regular SR20VE runners with a bottom mounted Q45 throttle body in the new year.


This will do much better.
2013-11-05 21:52:42
#79
That's good to know. Is that what you tested on the nitrous car? Any dyno sheets available?
2013-11-11 21:57:46
#80
Originally Posted by jagy
I have this idea in my head too...

This is center feed intake on rally Skoda Fabia R2:




I guess how much room we have under the bonnet to play with...


Interesting coolant pipe routing on this car. Can anybody shed any light on the radiator position?

I love the idea of a centre feed inlet, but still want to be able to get rid of the hot air from the rad through a bonnet vent.
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