V&H fuel programmer

glide 33 · Mar 27th, 2008, 10:34 PM

Help! Think I may need some advice. I bought a set of Vance & Hines slash cut mufflers for my electra glide. Installed the pipes, rode the bike,seemed fine. Several people told me I would need to remap, since it a '02 model. Bought a Vance & Hines programmer , installed according to directions. Tried it out again, something didn't seem right, acted like it wanted to quit, when throttling down. Read up on the programmer, said I needed a high flow filter, bought a screamin eagle filter tonight and installed it. Started it up, let it warm up a bit, revved it up a little , acted the same way. Do I really need the programmer, or did I buy the wrong brand?:

Hobbit · Mar 28th, 2008, 04:32 AM

the fuel pak is very sensative to the throttle position, as mine is on a new bike and the cables stretch i have to keep adjusting the throttle setting on the fuel pak

Have you checked the Q&A at vance and hines fuel pak website?
there is a section on this and you can alter one of the settings to compensate for this odd feeling that it is running out of fuel when you throttle down, i do not remember which

glider · Mar 28th, 2008, 06:52 AM

Just a heads up here. The stock ECM on the harleys cuts the fuel to the engine on decel as a standard feature until the speed slows considerably which in turn will effect fuel delivery with any piggyback unit that you use.

If you notice on deceleration, the bike lurches a bit when it is slowing down at somewhere around 1800 RPM's or thereabouts when the fuel is reintroduced again. It's only slight but you can feel it on pretty much on all models.
This is the stock programming in the ECM. You should be able to add a fuel device even without a stage 1 intake but best results are obtained when you do use the stage 1.

I prefer the TFI for this reason for easier adjustments.

Hobbit · Mar 28th, 2008, 07:50 AM

that explains the flames i got on mine slows down no fuel boom its reintroduced and instant fire works

glider · Mar 28th, 2008, 07:53 AM

You mean the rocket launching?

One guy I ride with has a street glide with ovals on it and he shoots flames out on decel too. It's a sight at night.

Ozoneman · Mar 28th, 2008, 12:16 PM

Quote:

Originally Posted by glider

You mean the rocket launching?

One guy I ride with has a street glide with ovals on it and he shoots flames out on decel too. It's a sight at night.

I haven't checked for the flames at night thing. With the popping I have, I'm pretty sure that my Ultra will show some flames too.

glider · Mar 28th, 2008, 12:21 PM

I'd bet on it out the right side muffler

glide 33 · Mar 28th, 2008, 05:19 PM

Seems like the few times I rode it without the programmer, it ran better and the throttle responded quicker. Would it hurt to run to run without the programmer? Seems like the fuel mileage is down some also. The ads on the exhaust and programmer said I would get better fuel mileage and more hp. I really appreciate all the help.

glider · Mar 28th, 2008, 05:22 PM

A lean mixture will give you better power (throttle response) than a rich mixture will but will not make the best HP. Best bet would be to check the air fuel ratio (AFR) with a sniffer to be sure. Lean running to an extent can do damage to the engine.

The programmers will kick the MPG a bit for a few reasons. You are probably enjoying the better power with the throttle a bit more which will effect the MPG. It's not entirely uncommon with the addition of a fueling device to see an increase in MPG because the engine is running more efficiently.

glide 33 · Mar 28th, 2008, 05:34 PM

Let me ask one more ? while I have time. My first harley. Was wanting to change the oils. Already done the engine. Talked to harley last night, said it didn't matter on the primary and tranny, could use the same oil, like syn, but my tranny appears to have 80/90 in it. They said to just drain it and put in the synthetic. Doesn't seem right, but I'm not sure.

Mar 27th, 2008, 10:34 PM	#1 (permalink)
glide 33 Start The Engine Ride: 2002 Electra Glide Classic Join Date: Mar 8th, 2008 Location: West Virginia Posts: 36 My Mood:	V&H fuel programmer Help! Think I may need some advice. I bought a set of Vance & Hines slash cut mufflers for my electra glide. Installed the pipes, rode the bike,seemed fine. Several people told me I would need to remap, since it a '02 model. Bought a Vance & Hines programmer , installed according to directions. Tried it out again, something didn't seem right, acted like it wanted to quit, when throttling down. Read up on the programmer, said I needed a high flow filter, bought a screamin eagle filter tonight and installed it. Started it up, let it warm up a bit, revved it up a little , acted the same way. Do I really need the programmer, or did I buy the wrong brand?:

Mar 28th, 2008, 04:32 AM	#2 (permalink)
Hobbit Moderators Ride: 2009 Custom Street Bob Join Date: May 18th, 2007 Location: The Shires UK Posts: 4,353 My Mood:	Re: V&H fuel programmer the fuel pak is very sensative to the throttle position, as mine is on a new bike and the cables stretch i have to keep adjusting the throttle setting on the fuel pak Have you checked the Q&A at vance and hines fuel pak website? there is a section on this and you can alter one of the settings to compensate for this odd feeling that it is running out of fuel when you throttle down, i do not remember which

Mar 28th, 2008, 06:52 AM	#3 (permalink)
glider Community Liaison Ride: 07 Road King Classic Join Date: Jun 21st, 2007 Posts: 11,626 My Mood:	Re: V&H fuel programmer Just a heads up here. The stock ECM on the harleys cuts the fuel to the engine on decel as a standard feature until the speed slows considerably which in turn will effect fuel delivery with any piggyback unit that you use. If you notice on deceleration, the bike lurches a bit when it is slowing down at somewhere around 1800 RPM's or thereabouts when the fuel is reintroduced again. It's only slight but you can feel it on pretty much on all models. This is the stock programming in the ECM. You should be able to add a fuel device even without a stage 1 intake but best results are obtained when you do use the stage 1. I prefer the TFI for this reason for easier adjustments. __________________ Psssst! Please stop by the "self help section" for maintenance tips, diagnostic codes and much more. click me!>>Self Help Information and Tips<< click me!

Mar 28th, 2008, 07:50 AM	#4 (permalink)
Hobbit Moderators Ride: 2009 Custom Street Bob Join Date: May 18th, 2007 Location: The Shires UK Posts: 4,353 My Mood:	Re: V&H fuel programmer that explains the flames i got on mine slows down no fuel boom its reintroduced and instant fire works

Mar 28th, 2008, 07:53 AM	#5 (permalink)
glider Community Liaison Ride: 07 Road King Classic Join Date: Jun 21st, 2007 Posts: 11,626 My Mood:	Re: V&H fuel programmer You mean the rocket launching? One guy I ride with has a street glide with ovals on it and he shoots flames out on decel too. It's a sight at night. __________________ Psssst! Please stop by the "self help section" for maintenance tips, diagnostic codes and much more. click me!>>Self Help Information and Tips<< click me!

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Mar 28th, 2008, 12:21 PM	#7 (permalink)
glider Community Liaison Ride: 07 Road King Classic Join Date: Jun 21st, 2007 Posts: 11,626 My Mood:	Re: V&H fuel programmer I'd bet on it out the right side muffler __________________ Psssst! Please stop by the "self help section" for maintenance tips, diagnostic codes and much more. click me!>>Self Help Information and Tips<< click me!

Mar 28th, 2008, 05:19 PM	#8 (permalink)
glide 33 Start The Engine Ride: 2002 Electra Glide Classic Join Date: Mar 8th, 2008 Location: West Virginia Posts: 36 My Mood:	Re: V&H fuel programmer Seems like the few times I rode it without the programmer, it ran better and the throttle responded quicker. Would it hurt to run to run without the programmer? Seems like the fuel mileage is down some also. The ads on the exhaust and programmer said I would get better fuel mileage and more hp. I really appreciate all the help.

Mar 28th, 2008, 05:22 PM	#9 (permalink)
glider Community Liaison Ride: 07 Road King Classic Join Date: Jun 21st, 2007 Posts: 11,626 My Mood:	Re: V&H fuel programmer A lean mixture will give you better power (throttle response) than a rich mixture will but will not make the best HP. Best bet would be to check the air fuel ratio (AFR) with a sniffer to be sure. Lean running to an extent can do damage to the engine. The programmers will kick the MPG a bit for a few reasons. You are probably enjoying the better power with the throttle a bit more which will effect the MPG. It's not entirely uncommon with the addition of a fueling device to see an increase in MPG because the engine is running more efficiently. __________________ Psssst! Please stop by the "self help section" for maintenance tips, diagnostic codes and much more. click me!>>Self Help Information and Tips<< click me!

Mar 28th, 2008, 05:34 PM	#10 (permalink)
glide 33 Start The Engine Ride: 2002 Electra Glide Classic Join Date: Mar 8th, 2008 Location: West Virginia Posts: 36 My Mood:	Re: V&H fuel programmer Let me ask one more ? while I have time. My first harley. Was wanting to change the oils. Already done the engine. Talked to harley last night, said it didn't matter on the primary and tranny, could use the same oil, like syn, but my tranny appears to have 80/90 in it. They said to just drain it and put in the synthetic. Doesn't seem right, but I'm not sure.

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V&H fuel programmer

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