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Re: divided exhaust housing flapper valve.. quick spool down low, big power up top?
HMT style done here
http://forums.hybridz.org/showthread...t=turbo&page=3 |
Re: divided exhaust housing flapper valve.. quick spool down low, big power up t
from that thread:
Quote: Originally Posted by veritech-z how do you keep exhaust from sneaking out of the throttle shaft on the spoolie jobbie? i was planning my manifold around the idea that if you keep the exhaust pulses seperate all the way down to the turbine housing, they would promote a faster spool (as per "maximum boost"). so i was going to run 1-2-3 into one side of the housing, and 4-5-6 into the other, with a balance tube for the wastegate. that way the exhaust pulses would hit alternating sides of the wheel right after each other. my garrett t4 has a 1.15 A/R __________________ |
Re: divided exhaust housing flapper valve.. quick spool down low, big power up t
I don't see no bushing here though
http://spracingonline.com/upload/fil...spoolvalve.jpg |
Re: divided exhaust housing flapper valve.. quick spool down low, big power up top?
i want to see a dyno run with it held open and then one with it in operation.
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Re: divided exhaust housing flapper valve.. quick spool down low, big power up top?
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Re: divided exhaust housing flapper valve.. quick spool down low, big power up top?
Civiceggturbo I totally argree w/ your sig. about NECKCAR ;D
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Re: divided exhaust housing flapper valve.. quick spool down low, big power up top?
Damn I want to try and make one. I just need a drill press, I would do it by hand, but my hands would move to much :1
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Re: divided exhaust housing flapper valve.. quick spool down low, big power up top?
i guess i am blind. thanks.
i want to try this someday. |
Re: divided exhaust housing flapper valve.. quick spool down low, big power up top?
Makes me want to run a nice big holset, make crazy torque/spool, and have huge top end. All on a stock LS.
10-14 psi with a big holset should be awesome and have good DD ability. |
Re: divided exhaust housing flapper valve.. quick spool down low, big power up top?
I like the idea of the valve however i think that the technology being used today in turbos such as VGT holsets etc. will far surpass this. It seems like one more thing to go wrong. id rather rig an actuator stepper motor or whatever you have to a holset and call it a day. the he351 VGT is dirt cheap on ebay and you get more than just one / two scrolls on at a time its continuously variable.
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