NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   1st Generation Specific (https://www.nopistons.com/1st-generation-specific-16/)
-   -   12A Air Intake..! (https://www.nopistons.com/1st-generation-specific-16/12a-air-intake-68872/)

RE_TurboFB 01-29-2008 07:58 PM

You can rejet the stock carb..!?!? WOW that is a easy fix!! https://www.nopistons.com/forums/pub...#>/biggrin.gif Do you know where I can get bigger jets..????





Thanks again!!!

Clarks7 01-29-2008 08:41 PM

I have "rejeted" the stock carb with gross jets, different style, all they do is screw in, it is easy to swap out. I am not sure who would make larger jets... British Victoria may have the gross jets (it was a long time ago when I did it). But if you can swap styles of jets you can definately swap size of jets.



Does anyone else have experience with this?

RE_TurboFB 01-31-2008 01:38 AM

Yeah... somebody here has to know what I need to do to prep a 12A for a turbo. I didnt see anything at victory british ltd.



Thanks guys. (In advance)

Clarks7 01-31-2008 04:28 PM


Originally Posted by RE_TurboFB' post='893338' date='Jan 30 2008, 11:38 PM
Yeah... somebody here has to know what I need to do to prep a 12A for a turbo. I didnt see anything at victory british ltd.



Thanks guys. (In advance)





It might not be very hard to pull the stock ones out and modify them... but that might take some engineering skills...

RE_TurboFB 01-31-2008 09:41 PM

Like take them to a machine shop and have them "Bored out" a bit..????

Clarks7 02-01-2008 04:41 PM


Originally Posted by RE_TurboFB' post='893388' date='Jan 31 2008, 07:41 PM
Like take them to a machine shop and have them "Bored out" a bit..????



They are fairly small (kin of like the top piece of a bic pen if you took it apart). I couldn't tell you angles for the new bore, it still needs to atomize the fuel.



http://www.rx7club.com/showthread.php?t=34828. here is another guy who has used them. Or just type gross jets and carb in a yahoo search. There is alot of people talking about modifying their carbs to more or less fuel.



The nice part is the Nikki carb is designed to swap out or remove those jets!

yetterben 02-07-2008 09:56 PM

sob make me one i need a carb hat for my nikki. Last part i need to complete the setup.My build thread is over on the big forum same user name as hear https://www.nopistons.com/forums/pub...IR#>/smile.gif

RE_TurboFB 02-09-2008 03:52 AM

What size of intake pipe would you need going to the hat..??? And what angle do you need the pipe at.???( strait, 45 down, 90 left..???) Do you need a custom carb stud or are you going to fab your own..??

yetterben 02-09-2008 04:36 PM

2.5 going in straight is fine. I have a carb stud from a my nikki raceing beat air cleaner. Think for turbo apps its suppsoed to be like 100mm tall or some ****???



Pm me or email me at yetterben at yahoo.com

RE_TurboFB 02-13-2008 05:53 PM

Allright this is how it turned out if your still interested...

[attachment=43946:carb_hat.JPG]

It's not the best work I've done but it will get boosted air down you nikki...

You would have to supply a rubber O-ring to seal it to the carb( the rubber ring off the stock air box works great, And I did not drill a hole for your carb stud since I dont know the specs for the one your using..



Thank you,

-Jared


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