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

Jetting an IDA on a SP-12A

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Old 03-22-07, 04:45 PM
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Jetting an IDA on a SP-12A

Hey guys, I have a friend with a rotary bug and we need some help getting the fuel worked out. His setup will be....

Street Ported 12A
MSD 6a running DFIS with Blaster 2's
48IDA downdraft
Holley Reds and a Holley FPR

What jets should we start with on the carb? What fuel pressure should we use?

I have searched but have had a hard time finding specifics.

Thanks for your time.
Old 03-22-07, 05:17 PM
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4.5 psi and use rb recommenditions for jetting and venturi size
Old 03-22-07, 06:01 PM
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Eats, Sleeps, Dreams Rotary

 
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PM Wackyracer, he is our Weber GURU! or click your heels 3 times and chant "I only own junk" and he is bound to show up!
Old 03-23-07, 08:28 AM
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http://www.vintagerotaries.org/index.php?showtopic=17
Old 03-23-07, 12:19 PM
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Eats, Sleeps, Dreams Rotary

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Thank you very much!
Old 03-23-07, 03:44 PM
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RX for fun

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Talking

JUNK IT then search.
Old 03-23-07, 06:29 PM
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my fb is older than me

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wow great info on the link u showed trochoid. thanks
Old 03-23-07, 07:04 PM
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Originally Posted by woodonastick
wow great info on the link u showed trochoid. thanks
That's the benefits of SEARCHING.

Not picking on anyone, just the usual soft spoken/big stick approach/post.

It also helps if one stays out of the lounge and visits other rotary forums besides our own. Vintage Rotarys has very knowledgeable and dedicated member base. The Old School guys are serious rotorheads and many have forgotten more about rotarys than many of us can ever hope to learn.
Old 03-24-07, 10:40 AM
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Eats, Sleeps, Dreams Rotary

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That links should be archived......if it isn't already.

Thanks again Trochoid.
Old 03-24-07, 03:10 PM
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kiwi from downunder..

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that vintage rotary site is very informational
Old 03-24-07, 03:14 PM
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RX for fun

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Talking

I think I will forget more than I could remember.
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