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ducinthebay
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Post subject: Which Chip? Posted: Sat Nov 08, 2014 7:54 am |
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paso grand pooh-bah |
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Joined: Sat Sep 03, 2005 12:00 am Posts: 1323 Location: SF Bay Area
model: 750 Sport
year: 1990
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I just arranged to pick up some BUB exhaust that I wanted, so the bike will need to be chipped. (i assume) Chip in the bike is the DUCATI907ie -023- and some handwriting like I S . Paper filter, and airbox is opened up a bit.
FBF is still selling Stage 1 and 2 chips for $150. I assume a Stage 1 is fine for the open BUB pipes. FIM is out of business years now, but there is some old stock running around on ebay for $250.
What other alternatives are out there? What are you folks running? Oh, and opinions are most welcomed.
Cheers, Phil
_________________ Duc in the Bay 1990 750 Sport x2-Rosso Blanko (900ss copy) & Nuovo Nudo (Scrambler project) 1991 907 -mostly stock 2002 ST4s - Lots of mods.
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higgy
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Post subject: Re: Which Chip? Posted: Sat Nov 08, 2014 11:06 am |
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paso grand pooh-bah |
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Joined: Tue Jul 29, 2008 9:50 pm Posts: 3259 Location: Hilltown,Pennsylvania
model: 906 Paso
year: 1990
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I tried a few different chips and in the end went with the FBF stage 1 had the best overall performance on my 907 with the opened up airbox lid and Staintunes
_________________ Ducati,making mechanics out of riders since 1946 There's no problem so bad that a little fixing can't make it worse! : ) If it ain't broke keep fixin it till it is 88 750 90 906 92 907ie
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ducinthebay
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Post subject: Re: Which Chip? Posted: Sun Nov 09, 2014 5:00 am |
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paso grand pooh-bah |
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Joined: Sat Sep 03, 2005 12:00 am Posts: 1323 Location: SF Bay Area
model: 750 Sport
year: 1990
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Thanks Higgy. As always, you are a wealth of good information.
I got the BUB pipes today from fellow Lister Frenchy, who happens to be 40 miles from me (go figure). Put the pipes on, and fired it up and it was certainly the Ducati music I was looking for. Pipes need a bit of modification to get them to fit well, and some paint, but they are just what I wanted. They fit really close to the swing arm on the righthand side though. I'll take it for a ride and do a plug check to determine how the current chip is dealing with the pipe and current set up. I figure I have some holes in the air box to close up and "tune" things a bit. No holes in the air box lid, and it should run richer, bigger holes in the air box should run leaner, right? I already have holes in the air box, and a roll of duct tape, and the stock snorkels. Anything wrong with my plan so far?
Also, I was talking to Ed Milich the other day, and he mentioned that there is a way to fiddle with the fuel pump on the 907 to increase the pressure to increase the fuel delivered. No change in the chip. Anyone done this? Anyone ever measured the fuel pump pressure? Another knob to twiddle?
Cheers, Phil
_________________ Duc in the Bay 1990 750 Sport x2-Rosso Blanko (900ss copy) & Nuovo Nudo (Scrambler project) 1991 907 -mostly stock 2002 ST4s - Lots of mods.
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Derek
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Post subject: Re: Which Chip? Posted: Sun Nov 09, 2014 11:01 am |
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paso grand pooh-bah |
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Joined: Thu Nov 03, 2011 10:13 am Posts: 769 Location: Scotland
model: 907 I.E.
year: 1994
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The fuel pressure regulator is pre-set to 3 bars (approx 43.5 psi) and they are non-adjustable. You can buy adjustable fuel pressure regulators but they are quite expensive.
_________________ 1994 907ie 2017 Supersport 939 2015 Scrambler Classic 1982 Pantah 500SL (now sold)
Scotland
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