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Old 10-27-2003, 06:01 PM   #1 (permalink)
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Best Carb - S&s Super-e Vs Mikuni

I am torn between the S&S Super-E and the Mikuni carb and manifold kits. I have had good luck with Mikuni carbs on my off road bikes. I have seen a lot of bikes with the S&S. I am adding a cam and 2 into 1 on my 1340 Evo in a FLHT. Do the carb kits really make that much difference on a stock bore or should I try jetting the stock one first?
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Old 10-27-2003, 09:00 PM   #2 (permalink)
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Try jetting the stock carb 1 st.
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Old 10-28-2003, 09:13 AM   #3 (permalink)
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I would try jetting the stock CV carb first.
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Old 10-28-2003, 12:33 PM   #4 (permalink)
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I would throw the CV carb in the shitcan and put on a Mikuni. The first thing I do on any of my bikes is a mikuni, even before new pipes.
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Old 10-28-2003, 05:47 PM   #5 (permalink)
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So the Mikuni really performs $400 better than the stock carb?
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Old 10-28-2003, 08:29 PM   #6 (permalink)
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Naw not with my money
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Old 10-29-2003, 03:55 AM   #7 (permalink)
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re-jetting the stock carb should work just fine with what you have done so far. you can always get a bigger carb later if you change anything else. Iv'e used S&S and mikuni carbs in the past and they both work well, the S&S is simple and easy to tune, but the mikuni will get better gas mileage if set up right.
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Old 10-29-2003, 12:40 PM   #8 (permalink)
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You can get the Mikuni Easy Kit that will bolt right in place and use all of your stock components.
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Old 10-29-2003, 04:28 PM   #9 (permalink)
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Or you could save $$$$$
rejet the CV
and reap the same rewards.
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Old 10-29-2003, 04:29 PM   #10 (permalink)
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S&S needs/requires a thunder jet installed to run correctly
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Old 10-30-2003, 02:39 PM   #11 (permalink)
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I put the HSR42 on my '03 FXST and it feels like a completely different bike. The throttle response is incredible. I wouldn't waste your money on new jets, it's the best $258 I've spent on the bike. I bought it from Jireh Cycles, no tax and free shipping.
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Old 11-01-2003, 10:09 AM   #12 (permalink)
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Quote:
Originally posted by HDWRENCH
S&S needs/requires a thunder jet installed to run correctly
Why does the S&S need a thunder jet installed to run correctly?
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Old 11-01-2003, 10:10 PM   #13 (permalink)
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the thunder jet adds another fuel curcuit, making it more like the cv or mikuni, more efficient. the S&S is a basic, simple, old tech carb, very easy to tune, which is why it is popular, the mikuni is more difficult to to tune, a bunch more time required to set up, but worth it if you're fussy.
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Old 11-02-2003, 12:43 PM   #14 (permalink)
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In different performance tests, the stock CV carb was only narrowly edged out by the Mikuni and was much better on the street (not the track) than S&S. Your CV carb, with a few changes, will do just fine for you until you get up around 100 Ci. I put a 42 mm Mikuni on my Road King a few years back and like it a lot, but I've since learned a lot about the CV that I didn't know, and would be perfectly comfortable to be running it now! The CV carb is a good carb!!
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Old 11-02-2003, 01:11 PM   #15 (permalink)
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S& S is a basic, simple, old tech carb, very easy to tune, which is why it is popular, the mikuni is more difficult to to tune, a bunch more time required to set up, but worth it if you're fussy.


No the Mik is not hard to tune the tomatoe can with a flap is the tuning problem. Mik's tune very nicly. No need for any custom manifold block or air cleaner covers, or cables. The mik is a bolt on deal run with it. S&S do work but require the extra effort and cash. Check out Zippers site they do a ton of thunder jet kits to "FIX" the S&S carb. Any one that is tuning the S&S for good performance will install the thunder jet kit.


Check it out there has been several large write up in many mags comparing the S&S to the Mik. Overall easy of tunablity and over all cost hard to beat the Mik

Last edited by HDWRENCH; 11-02-2003 at 01:14 PM.
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