Where The Hell Do I go From Here ??? - Harley Davidson Forums: Harley Davidson Motorcycle Forum
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post #1 of 16 (permalink) Old 09-11-2012, 12:33 PM Thread Starter
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Where The Hell Do I go From Here ???



I run a shovelhead with a S&S Super E, a one inch manifold extension and two Dial-A-Jets. I have also carved the air filter cover so it prolly lets in a good bit more air, especially at speed.

I have the stock main jet in, but I am four sizes down on the intermediate.

I am not getting onto the main at the moment, as I am only a couple hundred miles into a total rebuild, so taking it a little easy.

But on the Intermediate I think the motor is running too hot, which prolly means too lean, and after a few miles I am getting a ticking noise, which I think is prolly a lifter collapsing due to thin (overheated) oil. I know it's not the bottom end, 'cos I have heard that before - shed loads of money

So I have two options. One is to go back up to stock on the intermediate jet and see what happens.

The other is a little more complicated

I picked up a HD CV carb in a yard sale, but the fixing is not the same on the shovel. It would need some kind of adaptor plate and other stuff I guess. No idea what, except it's prolly off an EVO.

Would I be better sorting the S&S, or looking to find a way to fit the CV, if that can even be done ???

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post #2 of 16 (permalink) Old 09-11-2012, 12:58 PM
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Pete, when I've done Super E's with dial a jet, I've used the stock size intermediate, down several sizes on the main and a large air bleed. This brings the main in later and the dial a jets come in a little sooner and then suplement the main jet at top end. Usually there is not enough vacuum signal for the dial a jets to suplement the intermediate.
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post #3 of 16 (permalink) Old 09-11-2012, 12:58 PM
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stick with the "E"

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post #4 of 16 (permalink) Old 09-12-2012, 07:35 AM
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You only need one adapter to fit the CV. It bolts to the S&S manifold and uses the stock CV u-ring seal. You'll also need a support bracket to keep the CV from shaking loose when the engine is running.
I've got an '81 Shovel and I ditched the S&S that was on it and installed a CV, very easy and the CV works a lot better on the Shovel.

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post #5 of 16 (permalink) Old 09-12-2012, 10:40 PM
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Got a S & S Super G on my Stroker Shovel. No problems.

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2010 FLTRX Wimmer Better Sucker,Stage 1,Xied's,no cat,fatstick with open end cap. 2004 Dyna Lowrider Harley Heavy Breather,Stage 1,Screaming Eagle mufflers.1996 FXDS-CONV S&S E.Screaming Eagle ignition,V&H Short shots. 1978 Strokershovel Lowrider 100 inches. 1974 Suzuki GT750 Lemans (Water Buffalo)
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post #6 of 16 (permalink) Old 10-20-2012, 03:00 PM Thread Starter
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OK, so I think I'll go back up to stock on the intermediate. As I'm still running in a rebuild I'm not gonna be back on main for a while, so I don't think I need to worry about that right now.

In the meantime I got the CV so I need to find the adaptor (where the hell do I get that from - S&S ??), and if I get real lucky I can get a Super E without the DJ's from a friend here. Of course, I could always strip them off and plug the holes, but what would be the point ? Better to have the two options.

I have a lady who does carbys and things like that. Her husband rides. How lucky can one guy get

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And it must follow, as the night the day,
Thou canst not then be false to any man.

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post #7 of 16 (permalink) Old 10-20-2012, 05:03 PM
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You need a flange adapter, Drag Specialties PN# 289219



Drag Specialties Billet Flange Adapter for Spigot Type Carbs - DS289219




http://www.harley-performance.com/cv-carburetor.html

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post #8 of 16 (permalink) Old 10-21-2012, 07:08 AM
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I would get the rubber adapter, it comes with a clamp that secures the carb. The metal adapter needs the oem u-ring seal like on a stock setup, the carb just slips into it and needs a backing plate bolted to the heads to keep the carb secure.

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post #9 of 16 (permalink) Old 10-21-2012, 07:22 AM
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They also make the metal flanges that don't use the rubber seal.

It is press fit and bonded to the carb.







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post #10 of 16 (permalink) Old 10-21-2012, 07:32 AM
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Bonded ? Do you mean like glued or something ?
Also with 5 gallon tanks a spacer is needed so the air cleaner clears the tank.

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