Rear cowl induction, how does it work?
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Joined: Nov 2012
Posts: 70
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From: Franksville WI
Rear cowl induction, how does it work?
So, as 99% of you already know 1975 was the last year for rear cowl induction. That's my car. From looking at the "aim" it looks to me that there is a small loovered door inside the hood. I also saw on the drivers side of the hood a wire that runs up the side and then goes under the insulated hood blanket in what I believe is in that same area.
So, how and what actuates this door to open and does it only open when secondary's are open?
Definitely not a wrench guy but trying to learn more.
Thanks guys
So, how and what actuates this door to open and does it only open when secondary's are open?
Definitely not a wrench guy but trying to learn more.
Thanks guys
Race Director
Joined: Apr 1999
Posts: 15,156
Likes: 477
From: NM
Thread Starter
Advanced
Joined: Nov 2012
Posts: 70
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From: Franksville WI
Look here on the 73 Spot: http://www.73spot.com/index_stats_files/cowlintake.htm
Drifting
Joined: Jun 2005
Posts: 1,950
Likes: 498
From: Chino Hills CA
I never could quite understand that cowl induction, seems to me to be more of a gimmick. Mopar had a similar device. A cold air intake makes more sense to me with a forward facing functional hood scoop. At least the Pontiac and Buick ram air option made some sense. However, I do understand wanting to restore all the original equipment back to operating condition, practicality aside.
Melting Slicks
Joined: Mar 2006
Posts: 2,248
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From: Warrington PA
Finalist 2020 C4 of the Year - Unmodified
The 82's have a similar setup only the cold air comes in from the front of the hood as opposed to the rear of the hood on your 75. I eliminated my set-up and have cold air all of the time, not just with WOT acceleration. More responsive, a little louder...
but you may also pick up more items in the process, especially for me with the front hood air feed. I still need to screen the inlet opening, and will do the same to my 74 if I go that route.
but you may also pick up more items in the process, especially for me with the front hood air feed. I still need to screen the inlet opening, and will do the same to my 74 if I go that route.
Race Director
Joined: Apr 1999
Posts: 15,156
Likes: 477
From: NM
I never could quite understand that cowl induction, seems to me to be more of a gimmick. Mopar had a similar device. A cold air intake makes more sense to me with a forward facing functional hood scoop. At least the Pontiac and Buick ram air option made some sense. However, I do understand wanting to restore all the original equipment back to operating condition, practicality aside.
Pro
Joined: Aug 2014
Posts: 508
Likes: 59
From: Oscoda Michigan
Look here on the 73 Spot: http://www.73spot.com/index_stats_files/cowlintake.htm
