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Search results

  1. A

    GS(X)1100E turbo EFI

    It seems that optimal cam timing with a turbo depends a lot of turbo sizing and other details of the setup. If the turbo is sized so that exhaust back pressure doesn't exceed boost significantly cam timing affects pretty much the same way than on N/A engine. If there is more exhaust pressure...
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    GS(X)1100E turbo EFI

    Hehe. Actually I was going to set the cams to 110/110? but I hadn't slotted the intake sprocket enough for that. When I found that out I was too lazy take the cam off again. :D With previous engine I tried several cam settings from 104/106 to 111/113 and didn't notice any huge difference. So I...
  3. A

    GS(X)1100E turbo EFI

    I wasn't especially interested to minimize piston weight since I'm not going to spin the engine extremely high. Probably I will set the rev limiter to 10k which should be quite safe. I checked the head gasket briefly and didn't notice anything suspicious. I also added a very thin layer of...
  4. A

    GS(X)1100E turbo EFI

    Fitting the cylinder block and pistons caused normal amount of swearing but went fine overall. The head required less work than I initially thought since the valve guides were all good. Just to be safe I decided to get new exhaust valves so they are now 1 mm oversized (24 mm) stainless ones...
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    GS(X)1100E turbo EFI

    And then top end. I adjusted compression ratio by machining dishes on piston tops. The result should be about 9.1:1. Minimum crown thickness with dishes is a bit over 5mm, I hope it's enough. I also got ceramic coating on piston tops. Interesting to see if it lasts or give any noticeable...
  6. A

    GS(X)1100E turbo EFI

    After getting the correct bearings it was time to start assembly. The APE head studs and main bearing studs installed. Transmission got undercut for second and third gears. Cases vent together nicely, all shafts are still spinning and even the gears seem to work. Assembling the clutch...
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    GS(X)1100E turbo EFI

    Then some rant about "HD transmission bearings". I bought a set of these bearings, branded as Schnitz Racing. It includes all four bearings for the transmission, two large and two small ones. The large ones were fine, they even had more balls than original ones so maybe they really are stronger...
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    GS(X)1100E turbo EFI

    Yep, factory spec is less than 0.1mm and I have heard that many factory cranks actually doesn't meet this spec.
  9. A

    GS(X)1100E turbo EFI

    Finally some progress on the engine side too. I got the crank back after various set backs and long waiting. But good things are worth of waiting. The builder claimed that this was one of best cranks that he has ever done. Run out is less than 0.01 mm, it was impossible to see any movement on...
  10. A

    GS(X)1100E turbo EFI

    Plenty of tinkering but so little visible progress... I needed more space inside the rear cowling for water injection tank so I converted the tail light into LED version. The result is much slimmer and in addition I got brighter brake light with less than half current draw. Original one on...
  11. A

    GS(X)1100E turbo EFI

    Hi Greg, I tapped the shaft holes for 10mm thread and used screws with glue to plug them. Then I just ground screw ends flat from inside of the throttles.
  12. A

    GS(X)1100E turbo EFI

    Yep, that's true. I should learn to use foot pedal with my TIG, it would be handy in many cases. But first I have to modify the pedal slightly. Currently it's adjusting current from zero to 300A so it's virtually useless. I'm going to add pots to adjust min and max currents, then it should be...
  13. A

    GS(X)1100E turbo EFI

    The plenum is finally ready. It's a good thing that I don't have to make these for my living, it wouldn't be too good business... Internal parts: And finished item: Now I just have to decide if I will polish it or just paint it black. Right now I'm leaning towards painting. After...
  14. A

    80-83 GS1100 16-valve piston pin-to-deck height?

    18.2 mm. All right, more letters... GS1100 -83, from top of the pin hole to top of the piston.
  15. A

    Rerto fitting EFI

    Maybe possible, in theory. Search is quite handy tool: http://www.thegsresources.com/_forum/showthread.php?t=101698&highlight=EFI http://www.thegsresources.com/_forum/showthread.php?t=94468&highlight=EFI http://www.thegsresources.com/_forum/showthread.php?t=141514&highlight=EFI...
  16. A

    Top End Oiler Project

    Good idea! I'm interested about a distribution block that retains the stock sensors.
  17. A

    GS(X)1100E turbo EFI

    Plenum front wall and inlet stubs. Take 2. So I decided to take new angle of attack on this. I realized that I have the GSXR air box rubber boots that actually look quite handy. So let's see what I can do with them. Looks pretty good except length difference. So I have to get another set...
  18. A

    GS(X)1100E turbo EFI

    Let's see for a change an example of failed building attempts. Plenum front wall and inlet stubs. Take 1. Place the stubs on the throttle bodies and tack them on the plenum front wall. Check that they are still in correct position. Looks good. Clamp the assembly on the table to prevent...
  19. A

    GS(X)1100E turbo EFI

    Then it's time for the intake side. Finished throttle bodies. And some relating stuff. 630cc secondary injectors that will be placed on the plenum, fancy adjustable billet fuel regulator and some bits for the plenum.
  20. A

    GS(X)1100E turbo EFI

    The exhaust is getting shape. The can will be cut shorter when I install inner parts in it. The passenger pegs are real PITA when building the exhaust. It's just impossible to place the can so that it looks good and gives enough ground clearance. Water injection components will need more...
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