Suzuki Volusia Forums : Intruder Volusia and Boulevard Forum

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-   Jets, Injectors and Pipes (https://www.volusiariders.com/70-jets-injectors-pipes/)
-   -   several plans not sure which section for it to be under (https://www.volusiariders.com/70-jets-injectors-pipes/401962-several-plans-not-sure-section-under.html)

Nytar 09-14-2017 11:44 PM

several plans not sure which section for it to be under
 
Ok Im thinking of doing some things to extend the lifetime that I will have this bike to get it closer to "my" perfection. but have several questions which I will put after the planned items.

Tsukayu Batwing 6x9 fairing (a ways down the road.. long ways)
Already has V&H pipes (gawd they sound great)
DJ mob rear end (once I figure it out)
Hypercharger intake
rejetting

ok so the questions
1: would the batwing fairing block the air intake or enough to effect performance of the hypercharger?
2: what kind of mpg increaces/decrease could I be looking at?
3: with the performance mods will I need a new computer such as the bully?
4: trying to find the hypercharger bully etc but not sure I am looking in the right places?
5: what size of jets would I be looking at needing (and brand cause I heard diff brands would need diff sizes)
6: if anyone has a set up like this settings on things would help too
7: would any special plugs/wires etc give me a % or 2 increase?

my nephew has an 03 shadow spirit and his bike just walks away from mine at any speed. I know the DJ mod will reduce a bit of that snap but hoping the rest can compensate for that and give me a top end that dont sound like its gonna blow up at interstate speed and have passing power available.

Skrapiron 09-15-2017 08:09 AM

Your bike is a 2004 Volusia. It is carbeuretted, not fuel injected. As such, there is no computer and no electronic tuning you can do to the bike. The jets, needle and air/fuel mix are all you can change to adjust the state of tune. Since you already have aftermarket pipes on it, there is a good possibility that it has already been rejetted. Adding a hyper charger means rejetting the carb to compensate, though your gains will be minimal. Fuel economy will suffer (badly) if you select too aggressive of a tune for the bike.

The VL800 produces around 42hp stock. With a jet kit, professional tune and bolt on accessories, you are only going to see 4-5 hp gains. That's it. There is nothing you can do which will make the bike accelerate faster or have a higher top speed, short of adding nitrous or a turbo charger.

If you want faster, you need to buy a different bike.

Mr. Efficiency 09-15-2017 08:33 AM

ALl the performance mods vor the vol (and I did all of them) were done to enhance throttle response, give me a tiny handful more horsepower and open up the intake exhaust to take in more air.

Nothing will make the bike faster, short of getting some serious mods done... and adding nitrous (which has also been done)

I am one of the few in the "no thanks" crowd on the DJ drive. This bike is supposed to rev like that, its the way it was engineered. And a guy from Suzuki itself told me "this is not a bike for going 80 MPH." and it's not. It's an affordable cruiser and it does that super well, as welll as anyone.

I would not worry about adding a fairing and performance enhancements. An air intake is not going to change the horsepower/power of the bike, so no need to worry about air intake temperature.

Personally, I did all the air/intake/exhaust mods to open it up, re-jetted and added a nice windshield. I had fun all day at the speed limit with just that and a different seat and some leather bags. Lots of other mods is probably spending money that may be best served in bike shopping.

Nytar 09-15-2017 02:52 PM

I appreciate the replies, I really do. I figure trying these things if nothing else reset to stock.

Skrapiron 09-15-2017 05:11 PM

You're better off investing the money in useful things like a better saddle and some storage (I do have a pair of saddle bags and a top case for sale in the swap meet *cheap*).... The performance mods do nothing but convert gasoline into noise at a higher rate than stock...

Nytar 09-15-2017 05:20 PM

Ok, did some research, and there is an ecu (thought so cause my 1996 xv1100s has one and it's carborated as well) and they sell performance units (such as PC III & V all over the place) I know some people are just nay sayers but im looking for those that have done these things eith success and pick their brains as to the direction they took.

Skrapiron 09-16-2017 05:33 AM

The VL800 was sold from 2001 to 2004 as the Volusia (Intruder). It is carburuetted, with no electronic engine controls. Everything is either mechanical or vacuum operated. In 2005, the VL800 became the C50 and received fuel injection which necessitated a new cylinder head, intake and the addition of a 32 bit ECU to control the A/F mix, based on sensor input. They are very much different bikes.

There is no ECU on a 2004 VL800. Even if there was, you could not plug a performance chip into the bike and expect any performance gains because all of the fuel metering is done mechanically in the carburetor.

Ragdude 09-16-2017 09:36 AM

Seems to me that Mr. E and Skrap have done all the research for you on this one... imho

Mr. Efficiency 09-17-2017 02:40 AM

Quote:

Originally Posted by Nytar (Post 4681490)
Ok, did some research, and there is an ecu (thought so cause my 1996 xv1100s has one and it's carborated as well) and they sell performance units (such as PC III & V all over the place) I know some people are just nay sayers but im looking for those that have done these things eith success and pick their brains as to the direction they took.



Well, Is your bike an 04? If it is an 04, fuel, air and ignition aren't adjusted via any ecu. So, all the things that affect the bikes performance are changed by human hands. Fuel mixture, air intake and exhaust are all adjusted with pretty well documented mods here.

If you have a later model, it is fuel injected and you do need a PC of some type to change pipes.

I changed the intake (forget a hypercharger, those are useless). I removed the intake completely and used a dirt bike air filter instead. Removing all that stuff reduces about 10 pounds of ugly plastic.

I rejetted the bike (of course) using a Dyno-Jet kit set up by a Suzuki tech, disabling and removing the PAIR valve.

I ported and polished intakes and exhaust, and

Replaced the pipes with jardine 2/2s. (The only way to increase hp at the exhaust is with a megaphone 2/1)

Now, I'm not saying its worthless... but it only increases HP about 10 percent (its not noticeable). However, throttle response was great! I didnt change rear ends because that will slow the bike down a bit and I like having a fun 0-60 hop more than eliminating a little buzz at the top end.


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Nytar 09-18-2017 09:04 AM

Then I guess I'll need a bigger bike... guess this one will go up for sale even tho physically it's the most comfortable I've sat on and ridden (specially with the gel saddle) I do to much interstate and long trips to have the V&H pipes roaring like I'm at 110mph. They really should have a 6th gear. Sounds incredible at normal highway speed limits and lower tho.


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