Dobeck TFI - Page 2

Vulcan Bill · 06-28-2015, 08:17 PM

Good to hear you got it squared away. FYI, I too lost about 2 MPG after installing a Dobeck but the lack of pinging and increased performance made it a fair trade off I think.

RVTraveling · 06-29-2015, 10:47 AM

Excellent!! Just don't check the mileage until your right hand quits playing with the new found "get up and go".

Vulcan Bill · 06-29-2015, 12:25 PM

Quote:

Originally Posted by RVTraveling

Excellent!! Just don't check the mileage until your right hand quits playing with the new found "get up and go".

Yeah! What he said! ^

pooker · 07-06-2015, 04:40 AM

Okay, I haven't had the time to run a full tank of gas yet. However,.............the gas I have burnt doesn't look good!
From full to the first bar=41kms
to the second bar=85kms
At this rate I will only get about 210kms per tank!!!
Should I turn Pot#2 down to 3?
Thanks

recumbentbob · 07-06-2015, 05:37 AM

Ride it. Figure gas mileage at fill up and distance ridden not with the gauge.

pooker · 07-07-2015, 04:22 AM

Quote:

Originally Posted by recumbentbob

Ride it. Figure gas mileage at fill up and distance ridden not with the gauge.

Yeah, I was getting around to that! Thanks

pooker · 07-07-2015, 04:06 PM

Okay, I road until the fuel light came on,..............191.2 kms! (I use to get 250)
The bike took 16.32 liters.
So I'm not a mathematician but this doesn't look good!
Cane any one help with the settings of this TFI?
Thanks

recumbentbob · 07-07-2015, 04:53 PM

Quote:

Originally Posted by pooker

Okay, I road until the fuel light came on,..............191.2 kms! (I use to get 250)
The bike took 16.32 liters.
So I'm not a mathematician but this doesn't look good!
Cane any one help with the settings of this TFI?
Thanks

I did the conversion you got 27.5 miles per gallon
Pretty low.

pooker · 07-08-2015, 04:02 AM

Quote:

Originally Posted by recumbentbob

I did the conversion you got 27.5 miles per gallon
Pretty low.

Yes, not good! Where do I go from here?
Thanks

Jllm02199 · 07-08-2015, 08:34 AM

Quote:

Originally Posted by pooker

Yes, not good! Where do I go from here?
Thanks

I would turn pot #1 down to 4 and pot#2 to 3

#4 9 o'clock

#3 off or just cracked between 0 & .5

Clean throttle body

If it won't adjust right you may have to play with the TPS Adjustment.

pooker · 07-09-2015, 11:49 AM

Quote:

Originally Posted by Jllm02199

I would turn pot #1 down to 4 and pot#2 to 3

#4 9 o'clock

#3 off or just cracked between 0 & .5

Clean throttle body

If it won't adjust right you may have to play with the TPS Adjustment.

I have it set at;
#1,.......3
#2,.......3
#3,.......off
#4,.......9
I will run a tank at this and see!
Thanks

pooker · 07-13-2015, 03:16 PM

Quote:

Originally Posted by pooker

I have it set at;
#1,.......3
#2,.......3
#3,.......off
#4,.......9
I will run a tank at this and see!
Thanks

Ran my second tank at these settings. I found that if I was hard on the throttle it still pings?
Maybe I need to set #2 a bit higher?
At these settings I went 215 kms and it took 13.255 liters. Can anyone translate that? Thanks

macmac · 07-13-2015, 03:35 PM

In what gears? Both 4th and 5th are over drives. But there should not be ping. I still think you have a vac leak. That will create ping no matter what you set the TFI too. A vac leak will get you really bad mpg's too. ( i think you may have sent me 2 pms, will check now.)

pooker · 08-10-2015, 06:57 PM

Okay, a lot has gone since I last posted.
I put C hucksters air kit on.
The TFI is still set on:
#1-3
#2-3
#3-off
#4-9
The bike runs great here, the mileage isn't the greatest! About 260kms per tank.
When I start it up I can slightly smell gas.
When I hit the throttle going down the rode a puff of black smoke comes out!
The bike is rich mixture, what pot should I turn down #1 or #2?
Thanks

UNCLE WILLIE · 08-10-2015, 10:23 PM

POOKER - I don't have experience with the 1600 but my 1700 & tfi does not need that much fuel ie when I talked to dobeck about settings they suggested some exotic numbers which I already new were not going to work - my nomad was stock but lean & they suggested 2.5 for #1 -3.5 for#2 2.0 for #3 - the only reason I called them was because I had a unit that malfunctioned and had to clear up some things - bottom line is for good [driveability] and mileage on my 1700 with debaffle and k&n the best setting is #1 at .5 or less 2&3 at 0.00 and #4at 9.0 - the best running with # 1 is adjusted at@ 2000 rpm carefully by ear as the instructions say - best fuel mixture is 13.7 to 1 for best combustion - higher # are lean lower # are rich if u see black smoke on acel. u are to rich on #1 or #2 or both

my last dyno run said my f/a ratio is @ 13.5 up to @ 3000 rpm then went to @ 12.4 because I had pot 3 at @ 0.25 and it don't need the xtra fuel - since then ive set # 3 to 0.0 and will do another dyno to see if a/f is right and power is better - just remember the tfi is not a real precise unit - it is a poor mans way to help correct a lean running engine - the pc5 can adjust fuel and timing to get best performance happy motoring

06-28-2015, 08:17 PM	#16
Vulcan Bill Sr. Member Join Date: Jul 2013 Location: Mesa Az Posts: 1,400	Good to hear you got it squared away. FYI, I too lost about 2 MPG after installing a Dobeck but the lack of pinging and increased performance made it a fair trade off I think. __________________ ---------------------------------------------------------------------------------------------------------------------------------------------------------------- '05 1600CL. Originator 18" Harley wheel mod, Dobeck TFI, True Duals, Mutazu hardbags, Flanders handlebars n' a bunch more. *Sometimes I miss the good ol' days but most times I'm just glad I survived them* Login or Register to Remove Ads
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06-29-2015, 10:47 AM	#17
RVTraveling Member Join Date: Dec 2014 Location: Dallas Tx Posts: 77	Excellent!! Just don't check the mileage until your right hand quits playing with the new found "get up and go". __________________ Ken 2006 Nomad 1600 Dobeck TFI, Chuckster intake, stock exhaust, coasters VBA #02973 _______________ If life gives you lemons, add gin and tonic!
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07-06-2015, 04:40 AM	#19
pooker Member Join Date: Dec 2008 Location: Limoges, Ontario Posts: 392	Okay, I haven't had the time to run a full tank of gas yet. However,.............the gas I have burnt doesn't look good! From full to the first bar=41kms to the second bar=85kms At this rate I will only get about 210kms per tank!!! Should I turn Pot#2 down to 3? Thanks __________________ 1600 Nomad 2008 Candy Fire Red/Metallic Diablo Black The best 'GPS' is a full tank of gas! Wild Bill A.K.A. Wild Bill,Pookers KawaNOW #00906 VNOG # 030
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07-06-2015, 05:37 AM	#20
recumbentbob Sr. Member Join Date: Mar 2009 Location: Newburgh IN Posts: 3,404	Ride it. Figure gas mileage at fill up and distance ridden not with the gauge. __________________ VBA #01084 "A well regulated militia being necessary to the security of a free State, the right of the People to keep and bear arms shall not be infringed." Login or Register to Remove Ads
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07-07-2015, 04:06 PM	#22
pooker Member Join Date: Dec 2008 Location: Limoges, Ontario Posts: 392	Okay, I road until the fuel light came on,..............191.2 kms! (I use to get 250) The bike took 16.32 liters. So I'm not a mathematician but this doesn't look good! Cane any one help with the settings of this TFI? Thanks __________________ 1600 Nomad 2008 Candy Fire Red/Metallic Diablo Black The best 'GPS' is a full tank of gas! Wild Bill A.K.A. Wild Bill,Pookers KawaNOW #00906 VNOG # 030
	0

07-13-2015, 03:35 PM	#28
macmac Sr. Contributor Join Date: Apr 2008 Location: Tamworth New Hampster 06 1600 Posts: 12,484	In what gears? Both 4th and 5th are over drives. But there should not be ping. I still think you have a vac leak. That will create ping no matter what you set the TFI too. A vac leak will get you really bad mpg's too. ( i think you may have sent me 2 pms, will check now.) __________________ 06 1600 Nomad Just call me Mac molon labe come and get it
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08-10-2015, 06:57 PM	#29
pooker Member Join Date: Dec 2008 Location: Limoges, Ontario Posts: 392	Okay, a lot has gone since I last posted. I put C hucksters air kit on. The TFI is still set on: #1-3 #2-3 #3-off #4-9 The bike runs great here, the mileage isn't the greatest! About 260kms per tank. When I start it up I can slightly smell gas. When I hit the throttle going down the rode a puff of black smoke comes out! The bike is rich mixture, what pot should I turn down #1 or #2? Thanks __________________ 1600 Nomad 2008 Candy Fire Red/Metallic Diablo Black The best 'GPS' is a full tank of gas! Wild Bill A.K.A. Wild Bill,Pookers KawaNOW #00906 VNOG # 030
	0

08-10-2015, 10:23 PM	#30
UNCLE WILLIE Member Join Date: Jun 2015 Location: knoxville tn Posts: 227	POOKER - I don't have experience with the 1600 but my 1700 & tfi does not need that much fuel ie when I talked to dobeck about settings they suggested some exotic numbers which I already new were not going to work - my nomad was stock but lean & they suggested 2.5 for #1 -3.5 for#2 2.0 for #3 - the only reason I called them was because I had a unit that malfunctioned and had to clear up some things - bottom line is for good [driveability] and mileage on my 1700 with debaffle and k&n the best setting is #1 at .5 or less 2&3 at 0.00 and #4at 9.0 - the best running with # 1 is adjusted at@ 2000 rpm carefully by ear as the instructions say - best fuel mixture is 13.7 to 1 for best combustion - higher # are lean lower # are rich if u see black smoke on acel. u are to rich on #1 or #2 or both my last dyno run said my f/a ratio is @ 13.5 up to @ 3000 rpm then went to @ 12.4 because I had pot 3 at @ 0.25 and it don't need the xtra fuel - since then ive set # 3 to 0.0 and will do another dyno to see if a/f is right and power is better - just remember the tfi is not a real precise unit - it is a poor mans way to help correct a lean running engine - the pc5 can adjust fuel and timing to get best performance happy motoring
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