Topic: Fuel injection conversion (edit) fixed a few things

[jaguar]

any updates?
how the rest of the electrical system working with the added load?
any word on the manifolds?

[bucky katt]

just caught up with this thread after a long while.....................those pumps that are designed for in-tank use usually rely on the cooling effect of the fuel inside the tank.

[deuce_454]

im very close to clicking "buy it now" on a cb600f4 injector and and fuelpump... I just need some pointers.. should i "copy" your setup.. or is there somthing that should be done differently?? its a 1071 cc cb 751 with a 300 deg web cam and a ported f2 head... so i should hopefully be in the 120 hp teritory with the right exhaust and tuning....

would you guys recomend the 600 TB, or something off a fireblade ??

[OApb]

might try and use a set of TB's off of an 01-03 gsxr 600 or 750. they need to be seperated and spaced to cb specs (80-100-80 i believe) and i know that the ones off a 600 can use the stock carb boots. only thing you really need to make is a fuel rail which really any decent machine shop can do with a piece of fuel rail stock

[Retro Rocket]

might try and use a set of TB's off of an 01-03 gsxr 600 or 750. they need to be seperated and spaced to cb specs (80-100-80 i believe) and i know that the ones off a 600 can use the stock carb boots. only thing you really need to make is a fuel rail which really any decent machine shop can do with a piece of fuel rail stock

Agreed, this is the route i am going to take. Modern 600's TB's should be enough for our bikes, {doesn't the injection set up sort out flow rates and such?} you may have to use bigger injectors but i can't say for sure as i haven't started mine yet. OApb posted a link to a site where the guys were adapting the 600 tb's to 900 and 1100 boldor hondas, i'll see if i can find it as its a good read.

Her is the link, read it all as it is very informative and relatively simple and last but not least, it is cheap.

http://www.cb1100f.net/modules.php?name=Forums&file=viewtopic&t=13119&postdays=0&postorder=asc&start=0


Mick

[OApb]

yep, thats it mick. alot of good info in that thread. also if you are looking at fuel management boxes, megasquirt is usually what people go with, can also try one of the s-series programs from DTAfast

[Retro Rocket]

I think i'll go with the mega or micro squirt systems, there seems to be plenty of info on these systems and they seem to work well once you are familiar with the programming.

Mick

[OApb]

they work great and there is a huge amount of people who know what they are talking about. there are a bunch of forums dedicated to those systems. the forum on their site is a great place to start, they also have a huge yahoo group that is very active. there are alot of guys on there that have converted bikes to FI that are willing to help anyone. Also quite a few cb's on there as well. alot of guys usually share their fuel mapping and tables, helps take the guess work out of starting and gives a very nice base to start tuning

[jaguar]

I'm still worried about the charging system running fi and mega squirt and dyna...
Seems like alot and I know others talked about it...what was the end out come on how to deal with the charging system?

[Retro Rocket]

they work great and there is a huge amount of people who know what they are talking about. there are a bunch of forums dedicated to those systems. the forum on their site is a great place to start, they also have a huge yahoo group that is very active. there are alot of guys on there that have converted bikes to FI that are willing to help anyone. Also quite a few cb's on there as well. alot of guys usually share their fuel mapping and tables, helps take the guess work out of starting and gives a very nice base to start tuning

Thanks mate, is all that on that same site?

As far as the charging system goes, i will use a cycleX lightened alternator and all led lights except the headlight and i know that there are more efficient headlights on the market so it all should be  fine. I have a dyna ignition as well.  Mine will be kick only.

Mick

[deuce_454]

might try and use a set of TB's off of an 01-03 gsxr 600 or 750. they need to be seperated and spaced to cb specs (80-100-80 i believe) and i know that the ones off a 600 can use the stock carb boots. only thing you really need to make is a fuel rail which really any decent machine shop can do with a piece of fuel rail stock

whats wrong with the stock fuel rail allready on the unit?? just looks?

[MJL]

If you have to change the spacing of the TBs, the fuel rail won't fit.

[OApb]

edit: correct mjl, the fuel rail on the gsxr bodies connect right to the injectors. in order to use the stock carb boots you need to separate the throttle bodies and respace them. With the fuel rail having the injector bungs spaced to the gsxr specs it will not work when they are respaced. Also the megasquirt is able to control electronic ignition as well so the dyna concern shouldnt be an issue.

mick~ check www.megamanual.com for the megasquirt forum. the yahoo group is http://autos.groups.yahoo.com/group/megasquirt/

[Retro Rocket]

edit: correct mjl, the fuel rail on the gsxr bodies connect right to the injectors. in order to use the stock carb boots you need to separate the throttle bodies and respace them. With the fuel rail having the injector bungs spaced to the gsxr specs it will not work when they are respaced. Also the megasquirt is able to control electronic ignition as well so the dyna concern shouldnt be an issue.

mick~ check www.megamanual.com for the megasquirt forum. the yahoo group is http://autos.groups.yahoo.com/group/megasquirt/

Thank you very much,i shall have a read tonight..{Aussie time}..

Mick

[deuce_454]

Gotcha on the spacing... i looked at ebay and fell in love in an 06-07 gsxr600 TB, they have a steel fuelrail that should be easy to modify... with regards to the ignition.. have an ignition from cyclex.. basically its a wastedspark with an optical puckup... and im windering if it wouldnt be easier (and cheaper) to run the microsquirt as fuel only, as i allready have the ignition.. and i cant see that the microsquirt can run with the dual crank sensors (120 teeth plus one TDC.. it will be like running a cam sync with two outputs per cam revolution)

[jaguar]

will kick only give enough rpms to start with all the FI stuff?

[deuce_454]

now ive done it!

ebay'ed a SUZUKI GSXR 600 K7 2007, TB/injector and a VFR800 fuelpump (it looked low enough to work in my cr750 tank) keep your fingers crossed!

now i just need to figure out where to get the bloody conectors and buy-install and learn the microsquirt....

[OApb]

Uhoh, Im not sure if the newer gsxr throttle bodies can be seperated and respaced. I know for a fact that the 01-03 ones can which is why I suggested them. Let me know if they can, it would definitly free up some more options

jag~ It should. I believe the megasquirt's starting parameters take any cranking rpm's under 200 but Im not positive

[deuce_454]

they are cast together 2 and 2...

but according to the cb1100f website the spacing is about 78mm so thats right on the money for the sohc... except the two TB's will need to be separated.. but since the fuelrail is steel it should be possible to tig-weld another segment in there..

[OApb]

Thats good news then. frees up some new options for us. they are also easier to find and cheaper. Let us know how it goes

[Retro Rocket]

will kick only give enough rpms to start with all the FI stuff?

This was discussed somewhere else and it ended upbeing no problem. I'll see if i can find the thread. Modern dirt bikes are kick and fuel injection so i see no reason why it won't work.

Mick

[jaguar]

really interested to see the set up with the cr tank.  thats what im building.
was thinking about the cycle x charging and FI.  wasent sure it would work.  sounds like the way to do.
i also want to run mirco squirt, dyna 200 FI and cycle x charging but kinda want to know 100% it will work or see it done before spending a ton of money on cool stuff that will not do what i want it to do.
im a starving college kid again but im at an aero engineering school so have access to a machine shop so im syced about my build finaly starting up

[Beans]

give me something to think about for my 750 build in the future.

[deuce_454]

really interested to see the set up with the cr tank.  that's what I'm building.
was thinking about the cycle x charging and FI.  wasn't sure it would work.  sounds like the way to do.
i also want to run mirco squirt, Dyna 200 FI and cycle x charging but kinda want to know 100% it will work or see it done before spending a ton of money on cool stuff that will not do what i want it to do.
I'm a starving college kid again but I'm at an aero engineering school so have access to a machine shop so I'm syced about my build finally starting up

Just to clarify.. I'm running the stock charging system and the cyclex IGNITION.....which is a Power Arc IDS C Ignition. That way the microsquirt will be fuel only and run off the tach output

Perhaps i should sell the cycle-x IDS and run the ignition off the microsquirt?? ill check the prices on coils and make a desicion shortly.. anyone want the cycle-x ignition.. never opened - 25%off, + free shipping

[MJL]

really interested to see the set up with the cr tank.  thats what im building.
was thinking about the cycle x charging and FI.  wasent sure it would work.  sounds like the way to do.
i also want to run mirco squirt, dyna 200 FI and cycle x charging but kinda want to know 100% it will work or see it done before spending a ton of money on cool stuff that will not do what i want it to do.
im a starving college kid again but im at an aero engineering school so have access to a machine shop so im syced about my build finaly starting up

I don't remember if we covered the Cyclex charging in this thread or not. Some say it makes fewer amps than the stock alternator.  If you are wanting to go batteryless, I don't think the FI will allow that.