1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Tuning a Weber 48mm IDF for a Street Port 12a

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Old 05-19-09 | 07:02 PM
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BC Tuning a Weber 48mm IDF for a Street Port 12a

well I just got my weber and I need to know hot to ture it for my street port?
Old 05-20-09 | 12:01 PM
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sorry for the bad spelling, my friends laptop what mess so here is what I was trying to say

well I just got my new weber carb, its an 48mm IDF and I need to know how to tune it for my street port 12a?

please help if you can
Old 05-20-09 | 11:22 PM
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????? anything ????
Old 05-20-09 | 11:26 PM
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no hands on experience with IDF. sorry cant help ya
Old 05-20-09 | 11:30 PM
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Originally Posted by wackyracer
no hands on experience with IDF. sorry cant help ya
its ok, no prob.
Old 05-21-09 | 04:38 PM
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I wrote this article back in 2000 for our cars. It has everything you need, if you read and study it.

http://www.mazspeed.com/carburetorfacts.htm
Old 06-27-09 | 03:16 AM
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Originally Posted by speedturn
I wrote this article back in 2000 for our cars. It has everything you need, if you read and study it.

http://www.mazspeed.com/carburetorfacts.htm
still need help!! thats all about IDA's, I have an IDF weber

I need to know what Venturi, Main fuel jet, Air Jet and Emulsion Tubes I need to run on my carb
Old 06-27-09 | 04:03 AM
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carb

man i totally wish it was that easy remember street port is a broad term everyone has different templates some are larger then others . i know that a large street port will run out a 48 to almost the 51 .it's gonna be alot of trial and error. noone can tell you do this and it will be right .not unless they down th e street from you and run the same setup . but check this out http://www.racingbeat.com/FRmazda1.htm and head to the carb section there is a pdf there that might help
Old 06-27-09 | 05:03 AM
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This may help a bit, even though the main emphasis is IDAs. A wideband, vacuum gauge and egt gauge will help too.

http://www.vintagerotaries.org/index.php?showtopic=17
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