 40 dcnf's or 40 IDA's, which would you use? |
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| my15window |
 Jun 8 2003, 08:42 PM
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Member  Group: Members Posts: 61 Joined: 23-March 03 From: fort collins Co. Member No.: 465  |
I went to the vw classic today and saw all kinds of type4 upright turbo's. picked up a pair of 40 dcnfs. I have ida's I then went to redline's table"the weber distributer" and he said my IDF's were the "old style" and to not use either, buy the new IDF's becauese mine were 20-30 years old what do yoy guy's think? going in my 103, 78 crank motor...
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| TMorr |
Jun 9 2003, 09:43 AM
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Tracey of Windrush Group: Members Posts: 85 Joined: 28-January 03 From: San Carlos, CA USA Member No.: 205 |
Between the IDF and the DCNF, the two were designed for installation perpendicular to each other.
IDF's ports were intended to be parallel to car centerline, DCNF's ports were designed to be perpendicular to car centerline. This is why the float bowls need mods to run in the unintended direction. It all has to do with the original design intent. I think the DCNF's were designed for an old Ferrari V12, in line, with 6 DCNF's straddling the valley and one barrel feeding one cylinder each side of centerline. That's why a single DCNF is good on T1 installs, same config. I agree, DCNF is one of the best street carbs ever, compact, one - sturdy, bearing hung throttle shaft and equal port sizes. But would need the mods for off-axis installation. Regards Hayden PTBT |
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Posts in this topic
my15window 40 dcnf's or 40 IDA's Jun 8 2003, 08:42 PM
Aaron Cox cant you then buy the
"IDF update kit" ?
what is... Jun 8 2003, 08:46 PM Aaron Cox here check out this table from my WEBER carbeureto... Jun 8 2003, 08:47 PM my15window dcnf's are a real desirable carb that gene ber... Jun 8 2003, 08:53 PM Aaron Cox ict's are singlr barrel right?, it shows the d... Jun 8 2003, 08:55 PM my15window ict's are like kadrons single barrel 40's.... Jun 8 2003, 09:06 PM Aaron Cox hey, were you at the pomona swap? there were a gri... Jun 8 2003, 09:08 PM my15window vw classic , largest vw show in the world ,people ... Jun 8 2003, 09:15 PM ! A DCNF is a three bolt two barrel......popular bac... Jun 8 2003, 09:34 PM Mark Henry fuch toy Hmmmm, would it be the DCN?
Thye 70s were a blurr... Jun 9 2003, 08:17 AM maf914 If you're actually going with 103 PCs and a 78... Jun 9 2003, 11:30 AM Mark Henry Mike is right,
you should go with 44's with t... Jun 9 2003, 11:41 AM my15window I was worried you would say that, guess I"ll sell ... Jun 9 2003, 03:45 PM
Aaron Cox what do you call "streetable"..? :D Jun 9 2003, 05:01 PM |
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