 WTB: Authentic IDF 40 Manifolds |
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| '73Porsche914Tang |
  Mar 18 2020, 08:55 AM
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Newbie  Group: Members Posts: 1 Joined: 27-May 18 From: Boulder, Co Member No.: 22,161 Region Association: Rocky Mountains  |
 Hello all! Happy to have this supportive community to help me out with this, as I have been striking out. I have a '73 914 that I am building. She's a 2.0 liter car with SC flares, 5 Lug Fuchs in Ravenna Green. Her new 2100cc motor is going in this week, and we have a fresh pair of 40IDF carbs to go on it....but no manifolds. EVERY place I speak to has manifolds that will bolt up (3 bolt pattern), but they are all the cheap EMPI model, measuring 44mm below the carb. Aircooled.net, Pierce Manifolds, eBay...they are all like this (IMG:style_emoticons/default/WTF.gif) . My understanding is that these larger bored manifolds paired with the 40mm carb output causes air turbulation under the carb which I do not want. I was running 44's on my last build, 2056...bogged down like crazy below 3k even jetted down..they're just too big. Soooo....any suggestions on where I might find a set of OLD stock Weber manifolds for 40's?????? Aircooled.net said the only way to make it happen is to sleeve them and seal it with JB Weld....I don't buy it, nor would I do that..... |
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| Dominic |
Mar 18 2020, 07:37 PM
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Dominic Group: Members Posts: 991 Joined: 14-January 03 From: Vacaville, CA Member No.: 149 Region Association: Northern California |
QUOTE('73Porsche914Tang @ Mar 18 2020, 06:55 AM)  Hello all! Happy to have this supportive community to help me out with this, as I have been striking out. I have a '73 914 that I am building. She's a 2.0 liter car with SC flares, 5 Lug Fuchs in Ravenna Green. Her new 2100cc motor is going in this week, and we have a fresh pair of 40IDF carbs to go on it....but no manifolds. EVERY place I speak to has manifolds that will bolt up (3 bolt pattern), but they are all the cheap EMPI model, measuring 44mm below the carb. Aircooled.net, Pierce Manifolds, eBay...they are all like this (IMG:style_emoticons/default/WTF.gif) . My understanding is that these larger bored manifolds paired with the 40mm carb output causes air turbulation under the carb which I do not want. I was running 44's on my last build, 2056...bogged down like crazy below 3k even jetted down..they're just too big. Soooo....any suggestions on where I might find a set of OLD stock Weber manifolds for 40's?????? Aircooled.net said the only way to make it happen is to sleeve them and seal it with JB Weld....I don't buy it, nor would I do that..... Gonna be hard to find manifolds that are only 40mm on the carb side since most were made to fit all sizes of Weber and Dellorto downdraft carbs. The only thing close to that would be the factory manifolds made for the 1.8L engine for the Type 4 Formula Super Vee series. I have a set for sale here on the samba, but they are only 4 bolt (1.7L / 1.8L). The carb side opening is 41mm, and the bolt pattern is for a Solex P11-40 carb. https://www.thesamba.com/vw/classifieds/det....php?id=2325594 |
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Posts in this topic
'73Porsche914Tang WTB: Authentic IDF 40 Manifolds Mar 18 2020, 08:55 AM
KevinW Look on TheSamba.com Mar 18 2020, 10:53 AM 914werke My understanding is that these larger bored manif... Mar 18 2020, 06:30 PM
'73Porsche914Tang I was able to find a set from European Motorworks ... Mar 22 2020, 06:31 PM JamesM Brand new
https://www.csp-shop.com/en/engine/inta... Mar 24 2020, 11:22 PM |
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