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GTM Performance Engineering: VQ37VHR Twin Supercharger System

Originally Posted by Ron Yes they are manual boost controllers called "pulleys" lol Thanks smart ***. If you think about it a electronic boost controller could be developed pretty easy.

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Old 02-25-2012, 09:49 PM   #16 (permalink)
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Originally Posted by Ron View Post
Yes they are manual boost controllers called "pulleys" lol
Thanks smart ***. If you think about it a electronic boost controller could be developed pretty easy.
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Old 02-25-2012, 09:54 PM   #17 (permalink)
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I wasn't trying to be rude. When u swap pulleys you are changing belt size as well, this determines how fast the engine is spinning the SC, how can a you regulate that without changing pulleys and belts? Again not trying to be a smart***. I really don't know how to.
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Old 02-25-2012, 10:09 PM   #18 (permalink)
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I wasn't trying to be rude. When u swap pulleys you are changing belt size as well, this determines how fast the engine is spinning the SC, how can a you regulate that without changing pulleys and belts? Again not trying to be a smart***. I really don't know how to.
Develop a valve that vents when a certin boost is hit. Install it before the maf sensors
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Old 02-25-2012, 10:24 PM   #19 (permalink)
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Develop a valve that vents when a certin boost is hit. Install it before the maf sensors
Not a bad idea, twin wastegates for a supercharger.
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Old 02-25-2012, 10:30 PM   #20 (permalink)
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Thats what I was thinking because then you can always run the smaller pulley and just control the boost. No more switching pulleys and belts with a retune and being unable to regulate boost other then gas peddle
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Old 02-25-2012, 11:25 PM   #21 (permalink)
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Do they make boost controllers for superchargers because that would be awesome so you can get a bigger kit for protential growth.
On the some 6-71 supercharger manifolds for V8's. There is a pop-off plate on the manifold. It's held in place by two springs. These springs regulate boost pressure in the maniflod. To change the boost setting. You have to change the springs to a different weighted springs. Should say that this is not a boost controller per-say. It's the last line of protection before the motor eats it's self for lunch. But I know of some people who use it as a controller. Instead of changing pulleys. They adjust spring tension. Stupid.
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Old 02-25-2012, 11:31 PM   #22 (permalink)
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isnt there twice the parasitic loss from the twin chargers when off boost??
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Old 02-25-2012, 11:32 PM   #23 (permalink)
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What torque can we expect out of this? Better than a single SC setup?
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Old 02-26-2012, 12:04 AM   #24 (permalink)
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Great work and very impressive as always.

Question though, how is this better than having one single supercharger or twin turbo instead?
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Old 02-26-2012, 12:26 AM   #25 (permalink)
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Wow...kind of happy I didn't pull the trigger on FI just yet. Looks like the table is still being set with options.
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Old 02-26-2012, 12:46 AM   #26 (permalink)
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Quote:
Originally Posted by Zat_Zuma View Post


Can you imagine a built 4.5 L and two of those babies in a G37AWD ?



Nice imagination GTM .....
You'd have a GT-R wannabe with an automatic transmission...


But for real, this is a really impressive guys!!!
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Old 02-26-2012, 12:50 AM   #27 (permalink)
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wow... Developments like this make me wish I had bought another Z.. Can't wait to see this on a car!
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Old 02-26-2012, 01:50 AM   #28 (permalink)
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Awesome,

a 370z may be in my future depending on how this turns out.
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Old 02-26-2012, 01:57 AM   #29 (permalink)
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Quote:
Originally Posted by toner123 View Post
Develop a valve that vents when a certin boost is hit. Install it before the maf sensors
what you are looking for exists, it's basically just a bleeder valve so you limit peak boost:

928 Motorsports - Porsche® 928 Performance Parts - Universal Adjustable Boost Limiter Valve (BLV)
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Old 02-26-2012, 04:37 AM   #30 (permalink)
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Originally Posted by Ron View Post
Yes they are manual boost controllers called "pulleys" lol
lmao good one

Twin superchargers wow
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