 long tube intake, Chrysler |
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| 930cabman |
 Jan 23 2025, 04:39 PM
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Advanced Member  Group: Members Posts: 3,874 Joined: 12-November 20 From: Buffalo Member No.: 24,877 Region Association: North East States 
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Looking at this technology from 60+ years ago
https://www.macsmotorcitygarage.com/secrets...-ram-induction/ wondering has anyone gone after another 10% give or take? |
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| technicalninja |
Jan 24 2025, 11:16 AM
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Advanced Member Group: Members Posts: 2,377 Joined: 31-January 23 From: Granbury Texas Member No.: 27,135 Region Association: Southwest Region
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QUOTE(jd74914 @ Jan 24 2025, 09:20 AM)  QUOTE(technicalninja @ Jan 23 2025, 06:17 PM) Pretty much ALL of the OEMs went that way... Yep. But in modern day, you often see more gains (remember-the key is maximizing the area under the efficiency curve) with variable valve timing and valve lift controls. Throttle bodies and long intake runners have high pumping losses associated with them (think drinking through a small straw) and space contraints so the real control point is moving towards the valves. That's why some cars currently only have 2 position throttle bodies (think some BMWs). (IMG:style_emoticons/default/agree.gif) (IMG:style_emoticons/default/agree.gif) (IMG:style_emoticons/default/agree.gif) I don't give a rat's ass about VLIs... I LOVE VVT, COP, WB02, GDI and all the real modern shit! The "valve-tronic" BMW horseshit semi works... Both the lift and the duration on the intake go down to NOTHING at idle. The valves BARELY move. "Tip in" is DIFFERENT in those. You press the throttle and there is a significant pause before the valves start to open. You have to "lead" the throttle. I've never tried but I bet it's a BITCH to cut a "tight light" at a drag strip with those. One AWESOME thing with the BMW that COOL to watch but pretty much useless is the engine will run and idle fine WITHOUT any part of the intake installed. Bare head and it just works! Killer thing to win money on! I've won $200 betting folks "it will run fine without the intake and not bang off the rev limiter." |
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Posts in this topic
930cabman long tube intake Jan 23 2025, 04:39 PM
Root_Werks I had a Fiero with Caddy V8 many years back. Ther... Jan 23 2025, 04:49 PM technicalninja Pretty much ALL of the OEMs went that way...
That... Jan 23 2025, 05:17 PM
jd74914
Pretty much ALL of the OEMs went that way...
Yep... Jan 24 2025, 09:20 AM ClayPerrine Porsche did it with the 993 Varioram. The intake ... Jan 24 2025, 11:32 AM Root_Werks
Porsche did it with the 993 Varioram. The intake... Jan 24 2025, 07:05 PM ClayPerrine
Porsche did it with the 993 Varioram. The intak... Jan 24 2025, 07:50 PM |
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