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baasharm
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 Posted: Tue May 19, 2009 6:15 pm Post subject: Throttle Body Size |
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Hi guys,
I'm new to the forum. Currently I'm researching to upgrade an FZR1000/Thunderace engine to EFI using megasquirt.
I'm thinking to use the GTS throttle bodies as they would be an easy fit, but I need to know the throttle bore size.
I'm hoping someone here can tell me the throttle bore size, the inlet size and the injector flowrate on the GTS. |
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24c
Flash
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wheeler
Sergeant First Class
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Location: Slovenia
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| Posted: Tue May 19, 2009 9:16 pm Post subject: |
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Hehe Flash...seems you have got a competitor  . |
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24c
Flash
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| Posted: Tue May 19, 2009 9:31 pm Post subject: |
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| wheeler wrote: | | Hehe Flash...seems you have got a competitor . |
Competitor 
"Two heads are better than one"
Besides, it's similar but different, and at least as a late adopter, baasharm will not be plagued with pre-production faults 
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The MicroSquirts are working on the GTS1000 and Thunderace EFI project |
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rooyenan
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Location: Boxtel, the Netherlands
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| Posted: Tue May 19, 2009 9:38 pm Post subject: |
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| 24c wrote: | | wheeler wrote: | | Hehe Flash...seems you have got a competitor . |
Competitor
"Two heads are better than one"
Besides, it's similar but different, and at least as a late adopter, baasharm will not be plagued with pre-production faults |
Just FYI... Translation of baasharm would be "master Harm". 
__________
Sir Avalon
For you two to find out who the real master is... Or which one of you two has more time on his hands..
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24c
Flash
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Location: Chorley Lancashire UK
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| Posted: Tue May 19, 2009 10:18 pm Post subject: OT Fluff |
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Ansco, I really don't understand  you are going on about, do not understand the humour, or whether it's a dig?
I found the original post very amusing, baasharm or Harm and I have already exchanged emails, and at no point was any oneupmanship involved.
If you want to get smart, I suggest you do some research, and talk to the two guys previous to both of us who have injected their FZRs, they must be the real "masters" by your thinking.
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rooyenan
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| Posted: Tue May 19, 2009 10:24 pm Post subject: |
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Obviously my humour is different..
Just forget about it!
Ansco
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baasharm
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| Posted: Tue May 19, 2009 11:32 pm Post subject: |
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Mike,
As a fellow countryman Ansco understands that "baas" is master in english, so he's not being smart.
And it's great if we could benefit from each others experiences. I may be a master but I need to aquire more skills to for this project. |
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24c
Flash
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Location: Chorley Lancashire UK
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| Posted: Wed May 20, 2009 6:05 am Post subject: |
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| rooyenan wrote: | | Obviously my humour is different.. |
Cultural misunderstanding maybe
| Harm wrote: | | And it's great if we could benefit from each others experiences. I may be a master but I need to aquire more skills to for this project. |
That is what the forum is about, anybody can be "smart", but there are many times when we all benefit from the sum of all our experiences when people post.
The MicroSquirt has been a long learning experience for me, costly in time & money and a real test of patience with its reliability, so much so it would have been easier/cheaper going a totally different more expensive initial route with hindsight. However, once it does work, it will be a lot easier and cheaper for others to follow, which is where I am at now.
Re your original post, I have never found the flow rate of the injectors, but you can hook them up to a tank of paraffin etc and time them. I would be tempted to use another make of throttle bodies for your project, as the info for later stuff is more readily available, especially Suzuki. The inlets/valves on the GTS are much smaller than the Thunderace head.
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24c
Flash
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Age: : 52
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Last Visit: 08 Sep 2010
Posts: 3435
Location: Chorley Lancashire UK
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| Posted: Wed May 20, 2009 6:08 am Post subject: |
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| rooyenan wrote: | | Obviously my humour is different.. |
Cultural misunderstanding maybe
| Harm wrote: | | And it's great if we could benefit from each others experiences. I may be a master but I need to aquire more skills to for this project. |
That is what the forum is about, anybody can be "smart", but there are many times when we all benefit from the sum of all our experiences when people post.
The MicroSquirt has been a long learning experience for me, costly in time & money and a real test of patience with its reliability, so much so it would have been easier/cheaper going a totally different more expensive initial route with hindsight. However, once it does work, it will be a lot easier and cheaper for others to follow, which is where I am at now.
Re your original post, I have never found the flow rate of the injectors, but you can hook them up to a tank of paraffin etc and time them. I would be tempted to use another make of throttle bodies for your project, as the info for later stuff is more readily available, especially Suzuki. The inlets/valves on the GTS are much smaller than the Thunderace head.
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baasharm
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| Posted: Mon May 25, 2009 4:15 pm Post subject: |
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I've started ordering parts. This week I'll pick up a 92 FZR to break for parts.
The FZR crank, rods, cilinders, exhaust and a K&N filter will be used for my YZF750. I'll probably need to upgrade the clutch as well. Once this is up and running, I'll start on the FI.
I'll go for 02/03 R1 throttle bodies. These should be easily separated and respaced. They are 40mm so I'll probably have to bore the intakes a bit. For the ECU I'll go for this Megasquirt system: http://k-data.org/pages/index.php/page.60/kdFi.html with wideband lambda sensor and hopefully the stock sensors from the engine and throttle.
Since I won't be using any GTS parts, I guess this forum wouldn't be the right place to post on the progress. But thanks for the response and cheers to your GTS's |
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24c
Flash
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| Posted: Mon May 25, 2009 6:55 pm Post subject: |
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| baasharm wrote: | | Since I won't be using any GTS parts, I guess this forum wouldn't be the right place to post on the progress. But thanks for the response and cheers to your GTS's |
Not really the case, you have contributed to this subject with your web link initially. The MegaSquirt code can be modded to suit the Thunderace or FZR cranks with a code request to MSExtra, and if you do this, you will have better ignition control.
Any progress you make would help others trying to do the same.
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baasharm
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| Posted: Mon Aug 17, 2009 11:48 pm Post subject: |
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I re-build the engine and it is alive. Stripped the bike for powdercoating the frame and wheels and in the meantime I'm getting the megasquirt stuff sorted out.
It turns out the MS cannot get the crank position from the stock crank pickup, so I'll need an additional sensor set up. The easiest way seems to be to use the cam sensor of the GTS. I just need to figure out whether that is compatible with my YZF cams.
Are there markings on the intake camshaft (similar to the crankshaft VR) that are detected by the VR sensor? Or is the sensor just picking up a signal from the intake lob on cilinder 1? If so, that would work with my YZF cam as well and I would need a cam cover and a cam sensor. |
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wheeler
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Location: Slovenia
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| Posted: Tue Aug 18, 2009 8:55 am Post subject: |
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about the sensor...ha????
the cam sensors are the same on the FZR, GTS and YZF. And yes, it picks up the signal on the intake lobe on cyl. one.
All theese engines have crank and cam sensor mounted in exactly the same spot and the sensors are the same. How the pickups are on the crank and on the cam is a diferent story howewer....
But that is just about the number of impulses that the crank and cam trigers on the sensor per one revolution.
I think that the original sensor should work, unles the MS needs diferent number of impulses per revolution than your stock cam is puting out.
I think Mike allready has theese thing sorted out. |
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baasharm
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Location: netherlands
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| Posted: Tue Aug 18, 2009 11:31 am Post subject: |
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| wheeler wrote: | about the sensor...ha????
the cam sensors are the same on the FZR, GTS and YZF. And yes, it picks up the signal on the intake lobe on cyl. one.
All theese engines have crank and cam sensor mounted in exactly the same spot and the sensors are the same. How the pickups are on the crank and on the cam is a diferent story howewer....
But that is just about the number of impulses that the crank and cam trigers on the sensor per one revolution.
I think that the original sensor should work, unles the MS needs diferent number of impulses per revolution than your stock cam is puting out.
I think Mike allready has theese thing sorted out. |
The FZR en YZF don't have the cam sensors but besides the crank and the heads, these engnes are identical so it should simply bold on. I'm looking to add the cam sensor to my YZF engine to get ignition control with MS.
What I've seen from Mike (and others) is that the stock crank sensor is only good for RPM's in MS and you need an additional sensor for the crank position. So the cam sensor with 1 pulse/rev I'll get it to work, so that would be ideal. I'll try to get my hands on a cam cover and sensor. Anyone here that has them on offer? |
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