2000 M5 intake plenum
STi
Joined: Nov 2000
Posts: 2,024
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From: Windy City~Chicago, IL
Those elbow macaroni salad tube are individual throttle, weird design but it serves purpose for better air intake flow I think... If they try to stick them up upward it would look like a hot rod
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'Cooter
Joined: May 2001
Posts: 11,172
Likes: 0
From: Shitside, Queens
i can see the design, but y would they have the pipes facing backwards on the sides??? get any residual air left over circulating around??? perhaps if they were facing forward, they'd rob air from the center pipes???
Pro
Joined: Jan 2001
Posts: 629
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From: Houston
The S62 engine in the M5 and Z8 have throttle valves that are electronically controlled for each cylinder (I can't spell). Probably why 
BMW 6s are linear. I have seen the 540 motor without the cover and it does not look like that...
Not all BMW plenums are crazy
BMW 6s are linear. I have seen the 540 motor without the cover and it does not look like that...
Not all BMW plenums are crazy
Cost Drivers!!!!
Joined: Mar 2001
Posts: 19,392
Likes: 1
From: burbs of philly
Originally posted by Samer007
is that the MMII...
j/k
is that the MMII...
j/k
I think that the cover that RCA is working on might be directing airflow into individual cylinders and hence scalberts design doesn't show much gain
Suzuka Master
Joined: Sep 2000
Posts: 9,431
Likes: 0
From: Woodstock, GA
Originally posted by Zapata
I think that the cover that RCA is working on might be directing airflow into individual cylinders and hence scalberts design doesn't show much gain
I think that the cover that RCA is working on might be directing airflow into individual cylinders and hence scalberts design doesn't show much gain
Ah, come one, there were gains
, the average 0.17 seconds to 60 gain is significant. That is probably about a 12 - 15 WHP gain. But we'll see what happens on the dyno, these initial tests are just for reference not not worth much IMO...
Cost Drivers!!!!
Joined: Mar 2001
Posts: 19,392
Likes: 1
From: burbs of philly
Originally posted by scalbert
Nope, the center chambers do not have paths to the intake ports without first going to the end tanks. I feel there are other shaping issues at hand.
Ah, come one, there were gains , the average 0.17 seconds to 60 gain is significant. That is probably about a 12 - 15 WHP gain. But we'll see what happens on the dyno, these initial tests are just for reference not not worth much IMO...
Nope, the center chambers do not have paths to the intake ports without first going to the end tanks. I feel there are other shaping issues at hand.
Ah, come one, there were gains
, the average 0.17 seconds to 60 gain is significant. That is probably about a 12 - 15 WHP gain. But we'll see what happens on the dyno, these initial tests are just for reference not not worth much IMO...
I'm just talking outta my ass
The Acura Granddaddy
Joined: Dec 2000
Posts: 629
Likes: 0
From: Federal Way, WA
Originally posted by Scooter
i can see the design, but y would they have the pipes facing backwards on the sides??? get any residual air left over circulating around??? perhaps if they were facing forward, they'd rob air from the center pipes???
i can see the design, but y would they have the pipes facing backwards on the sides??? get any residual air left over circulating around??? perhaps if they were facing forward, they'd rob air from the center pipes???
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