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Old 09-27-2012, 05:34 PM   #13561
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I have datalogs.
You should eat more fiber.
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Old 09-27-2012, 05:41 PM   #13562
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The answer to an unasked question:

SphericalDriveSystem

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Old 09-27-2012, 05:56 PM   #13563
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Yuck
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Old 09-27-2012, 05:59 PM   #13564
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Originally Posted by mgeoffriau View Post
Also, the throttle response is so poor that turbo cars are typically slower on the track than an N/A car with half of the max HP, and anyone less skilled than Juan Manuel Fangio will inevitably kill himself when his car swaps ends due to an unexpected delivery of power at the wrong moment.

I have datalogs.
Well, there's no refuting the superiority of an ITB setup.
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Old 09-27-2012, 06:11 PM   #13565
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Well, there's no refuting the superiority of an ITB setup.
ITB is so last thursday.

The cool new trend is running two throttle bodies per port.
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Old 09-27-2012, 06:26 PM   #13566
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ITB is so last thursday.

The cool new trend is running two throttle bodies per port.
Pshhh, I'd be more impressed by two centrifugal superchargers blowing air into each port.
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Old 09-27-2012, 06:56 PM   #13567
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Old 09-27-2012, 07:00 PM   #13568
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Pshhh, I'd be more impressed by two centrifugal superchargers blowing air into each port.
You're missing the point- one of the two throttles for each port is plumbed directly across to the exhaust port for the cylinder immediately behind that throttle's cylinder in the firing order. It's not merely DEI, but rather full-sequential EGR, with per-cylinder trim. (Obviously this requires two concentric throttle shafts and a high-speed servo synchronized to the engine to modulate the EGR throttle shaft in time with the various intake pulses.)
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Old 09-27-2012, 07:06 PM   #13569
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Quote:
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You're missing the point- one of the two throttles for each port is plumbed directly across to the exhaust port for the cylinder immediately behind that throttle's cylinder in the firing order. It's not merely DEI, but rather full-sequential EGR, with per-cylinder trim. (Obviously this requires two concentric throttle shafts and a high-speed servo synchronized to the engine to modulate the EGR throttle shaft in time with the various intake
pulses.)
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Old 09-27-2012, 07:45 PM   #13570
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ITB is so last thursday.

The cool new trend is running two throttle bodies per port.
That is so last year.

No throttle bodies, just having variable valve lift is the future.
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Old 09-27-2012, 07:57 PM   #13571
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That is so last year.

No throttle bodies, just having variable valve lift is the future.
Nah- there's a solid scientific and engineering base to support the viability of throttle-less engines with variable cam lift. That means it'll never fly with the ITB crowd.
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Old 09-27-2012, 07:59 PM   #13572
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Nah- there's a solid scientific and engineering base to support the viability of throttle-less engines with variable cam lift. That means it'll never fly with the ITB crowd.
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Old 09-27-2012, 09:09 PM   #13573
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I'm going to graft human sphincter muscles onto each intake port. should have good flow.
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Old 09-27-2012, 09:19 PM   #13574
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I'm going to graft human sphincter muscles onto each intake port. should have good flow.
Just us Trey's, they've seen lots of "porting" and "polishing"
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Old 09-27-2012, 10:29 PM   #13575
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Mah car with me driving on Saturday at the 14 hours of Sebring:

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Old 09-27-2012, 10:51 PM   #13576
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any good drift photos?
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Old 09-28-2012, 02:11 AM   #13577
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That is so last year.

No throttle bodies, just having variable valve lift is the future.


This **** is $700 per tube at your local pharmacy.
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Old 09-28-2012, 03:37 AM   #13578
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Old 09-28-2012, 03:51 AM   #13579
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Old 09-28-2012, 10:36 AM   #13580
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