Programer for Grizz 700 - Page 2 - ATV Torture Forums
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post #11 of 21 (permalink) Old 06-04-2009, 01:24 PM Thread Starter
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Thats a tough decision. It's not about the money for me, it's more about the most for my money. In saying that, I've had a programer before on a different bike and had a hard time with tuning. I never could tell if I did any good or harm. it always seemed to be the same. Thats why I wanted to stay away from a programer. But I just happen to actually need one so now it's decision time. I will eventually go with a cam and maybe a roller set up or something, but I don't intend to do that until I break something. Ridding like we do, it will happen sooner or later. I'll sink it or suck up some water somehow and have to do a full rebuild. At that point, I will go all out.

These programers you guys are talking about, what is a link to them so I can do some research on tuning proceedure and installation. I need to get on that. I'd like to do a snorkel and programer at the same time. Get it all done together.

07 Grizzly fi eps green
Fix Powerspotrs machined clutch sheave
Greasless Clutch set up (8 @ 16g)
14" SS108s
30x11x14 all corners sbacks
Torc utility ser exhaust.
Dynatek coil kit
Wiseco hi comp piston 11:1
PIAA H4 headlight bulbs
Uni filter
Warn 2500 winch
Full set of EBC rotors and extream pads
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post #12 of 21 (permalink) Old 06-04-2009, 01:44 PM
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Quote:
Originally Posted by B-Dub View Post
It isn't a matter of "probably" doing the trick, either WILL do the trick. I know from testing both products.
Quit steppin on your string dude.





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post #13 of 21 (permalink) Old 06-05-2009, 09:36 AM
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While the VDI is a very nice all-in-one unit with a LOT of adjustment possibilities, I agree with GW that it will take some knowledge to do the programming on it and the use of a Dyno as well to get it right. Don't get me wrong in that I think the VDI box is amazing in the build quality, tunability and concept. But I'm not sure that for someone wanting to tweak fuel, that it is the product for everyone. But, hands down it is the best unit on the market IMO if you plan to tune it and have the skills to do so.

A fuel controller like a Dobeck or Power Commander offers you buttons to just increase or decrease fuel levels at certain parts of the fuel curve, it may be much easier for a novice turner that doesn't have a dyno readily avalable for tuning. Taking the route of a Dobeck of Power Commander and a DynaFS ignition box may be the best thing for YOUR situation. That's just my opinion.

To help you better understand the interface of the VDI box, I've attached two images. One of them if the main screen when you open the software that gives you the ability to change cranking pulses of the ECU, fuel delivery at different RPMs during warm-up and many other things. The other page is the page where the actual fuel delivery is configured. Although I didn't display it all, the top row of that page goes all the way over to 7000 RPMS. The left side headings are injector map pressures. So, starting with a base of 0, for your setup, you can add or remove fuel by putting positive or negative numbers in those blocks for a certain RPM and map pressure area. If for example you were running rich at idle, you could pull fuel off by putting a -1 in map 45 and RPM 1500-1800 depending on where your quad is set to idle. Map 45 is what is being used at dea idle whereas map 100 is being used at wide open throttle. However, since you won't be using a map 100 at 1500 RPMs, the trick in tuning comes in determing which map to adjust at which RPM level based on how your running. If you are gradually accelerating and need to adjust say the 3500 RPM area, you may be using a map of 75 and need to adjust there. But, if you're rolling into the gas hard and need to adjust at 3500 RPMs, you may need to adjust map level 80 or 85 for the 3500 RPM area of that page. Make sense?

On the other hand, with a simple fuel controller, if idle is rich or lean, you adjust the idle setting on the fuel controller with the + or - to add or remove fuel. If mid range is off, you would adjust mid-range up or down. And if WOT is off, you would adjust that by clicking the settings up or down. Much more simple for the novice or someone that just doesn't have the time to do the other type of tuning the VDI has.

Buster
Attached Images
File Type: jpg vdi_main.jpg (58.8 KB, 4 views)
File Type: jpg vdi_fuel.jpg (44.3 KB, 2 views)


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post #14 of 21 (permalink) Old 06-05-2009, 07:05 PM Thread Starter
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Ok, that dose make sense, and I don't see any reason for me to get that technical. If I were competing, then sure, but not just having fun and eleminating a miss. So let me ask you this, Do you think I would need a fuel programer since I can adjust my fuel delivery with my stock computer? I realize It's not RPM specific, but do you think it will be good enough with the Dyna fs?

07 Grizzly fi eps green
Fix Powerspotrs machined clutch sheave
Greasless Clutch set up (8 @ 16g)
14" SS108s
30x11x14 all corners sbacks
Torc utility ser exhaust.
Dynatek coil kit
Wiseco hi comp piston 11:1
PIAA H4 headlight bulbs
Uni filter
Warn 2500 winch
Full set of EBC rotors and extream pads
Solex Universal Handlebars
Powermad 5" Bar riser
Yamaha Full Skids
Rox Handguards
Dynatek fs timing advance
Performance ATV Snorkle
Painted black plastic, Silver
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post #15 of 21 (permalink) Old 06-05-2009, 07:17 PM
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OK, glad I was clear enough. The pod adjustment you're doing for fuel is, from the way I've always understood it, is purely an adjustment for fuel at idle. So, if that is correct, a fuel controller would help you tune in the entire fuel range fairly easily with some spark plug reads after tweaks. The DynaFS will also help you b/c as GW said, it makes the Grizz idle smoother and be a little snappier off start and it also gets rid of that miss in the 25-35 MPH range. I would check ebay, highlifter or grizzly central's for sale area to see if anybody has one.


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post #16 of 21 (permalink) Old 06-05-2009, 08:49 PM Thread Starter
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toys on the way!

ok, good info. I just ordered the Dyna FS. $174 new, free shipping. The person I spoke with said I will see a big boost with a fuel controller and the FS since I have a hi comp piston. He said I don't benefit with Hi comp until I add more fuel. So if that is so, and I'm asking your opinion on it, Then I may order myself a fuel controller next. I didn't want to have to tune to much, but I also want to take advantage of all the mods I have. No sense having them If I don't allow them to work together. I can't wait until it comes in. Now I'm getting the fever to tinker.

07 Grizzly fi eps green
Fix Powerspotrs machined clutch sheave
Greasless Clutch set up (8 @ 16g)
14" SS108s
30x11x14 all corners sbacks
Torc utility ser exhaust.
Dynatek coil kit
Wiseco hi comp piston 11:1
PIAA H4 headlight bulbs
Uni filter
Warn 2500 winch
Full set of EBC rotors and extream pads
Solex Universal Handlebars
Powermad 5" Bar riser
Yamaha Full Skids
Rox Handguards
Dynatek fs timing advance
Performance ATV Snorkle
Painted black plastic, Silver
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post #17 of 21 (permalink) Old 06-05-2009, 09:06 PM
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I agree with what he told you. With airbox mods, exhaust, hi-comp piston and now better ignition curves from the DynaFS, I think the next step is a fuel controller. Now I am not up on which one is the best of those as GW is so he will chime in later when he gets home. I know the Dobeck Gen III controller is great but I've also read good things from the power commander. i know GW has always been a Dobeck man but we'll see what he has to say.

I have a PDF file I made at some point that gives you the highlights on how to use the Dobeck for tuning, assuming I can find it on our server. If I can and you decide to go with it, then it will be helpful for you. It's nothing complicated and only a few pages.

I think you'll be happy with the Dyna and now the next step is a fuel controller.

Buster


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post #18 of 21 (permalink) Old 06-05-2009, 09:10 PM Thread Starter
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Pic's

I just uploaded a couple pic's to the main album. Check them out. One reverse water wheelie, and the other is a good mud hole, but no problem for the green mahcine!

07 Grizzly fi eps green
Fix Powerspotrs machined clutch sheave
Greasless Clutch set up (8 @ 16g)
14" SS108s
30x11x14 all corners sbacks
Torc utility ser exhaust.
Dynatek coil kit
Wiseco hi comp piston 11:1
PIAA H4 headlight bulbs
Uni filter
Warn 2500 winch
Full set of EBC rotors and extream pads
Solex Universal Handlebars
Powermad 5" Bar riser
Yamaha Full Skids
Rox Handguards
Dynatek fs timing advance
Performance ATV Snorkle
Painted black plastic, Silver
Maxmud is offline  
post #19 of 21 (permalink) Old 06-05-2009, 09:40 PM
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How's about posting a link to the "main album" you be referrin' to. Keeps us lazy folks from lookin' for it.

Thanks!


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post #20 of 21 (permalink) Old 06-05-2009, 09:46 PM
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Well that's one I never tried on that thing. The reverse wheelie that is. SWEET!

Here's the link for others to enjoy.

You should either attach the full size pic to a post here or put it on photobucket and insert it so we can see the full size version and really enjoy it.

Buster


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