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December 20, 2014, 03:19:46 PM

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Author Topic: ScooterBob & GHG's C-5 Cafe Racer project  (Read 11506 times)

gashousegorilla

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Re: ScooterBob & GHG's C-5 Cafe Racer project
« Reply #45 on: April 01, 2013, 01:07:43 AM »
GHG -

great to know the stock EFI can handle increased HP.  What pressure are you running the injection ?  also, is your regulator vacuum modified ?  stock injector -or- higher flow ?

    Yes it is Gremlin !  Stock fuel pressure.... 42 PSI.  Stock injector, with plenty left.  Fuel is regulated back to the tank using a Bosch/ VW Regulator. It has a range of adjustment on the Vacuum "Pub". 
An thaibhsí atá rattling ag an doras agus tá sé an diabhal sa chathaoir.

gashousegorilla

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Re: ScooterBob & GHG's C-5 Cafe Racer project
« Reply #46 on: April 03, 2013, 03:24:02 AM »
  Dyno sheet converted to and image............  D'oh !  I'm trying.... In the mean time, there is a download.
« Last Edit: April 03, 2013, 03:48:24 AM by gashousegorilla »
An thaibhsí atá rattling ag an doras agus tá sé an diabhal sa chathaoir.

Alan LaRue

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Re: ScooterBob & GHG's C-5 Cafe Racer project
« Reply #47 on: April 03, 2013, 03:02:36 PM »
That is BEAUTIFUL! Will it do the ton?
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boggy

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Re: ScooterBob & GHG's C-5 Cafe Racer project
« Reply #48 on: April 03, 2013, 03:08:22 PM »
Here's the dyno sheet as an image, ghg.

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gashousegorilla

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Re: ScooterBob & GHG's C-5 Cafe Racer project
« Reply #49 on: April 03, 2013, 03:31:48 PM »
Here's the dyno sheet as an image, ghg.

   EXCELLENT !! Thanks boggy you the man ! You know how long I played with that !? Not great on Cornputors.....

Quote from: Alan LaRue

link=topic=16128.msg175609#msg175609 date=1365001356
That is BEAUTIFUL! Will it do the ton?

  It sure should !! 
An thaibhsí atá rattling ag an doras agus tá sé an diabhal sa chathaoir.

jartist

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Re: ScooterBob & GHG's C-5 Cafe Racer project
« Reply #50 on: April 03, 2013, 05:16:38 PM »
What a beautiful straight line- gotta love long stroke engines!  Very impressive work. It makes me wonder what scooterbob's cams alone would do for hp gains, unless the stock lifters can't handle the extra lift?

barenekd

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Re: ScooterBob & GHG's C-5 Cafe Racer project
« Reply #51 on: April 03, 2013, 06:08:58 PM »
Removed
« Last Edit: April 03, 2013, 06:28:30 PM by barenekd »
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gashousegorilla

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Re: ScooterBob & GHG's C-5 Cafe Racer project
« Reply #52 on: April 03, 2013, 10:04:11 PM »
What a beautiful straight line- gotta love long stroke engines!  Very impressive work. It makes me wonder what scooterbob's cams alone would do for hp gains, unless the stock lifters can't handle the extra lift?

   Yeah, these ARE are great motors ! And ScooterBob did some very nice work with the parts. Burned up a little cray matter on this one !  he..he..he.  And hopefully we both have a few more wrinkles in the brain. That's an interesting thought on the Cams with a stock head........... Certainly the valve train geometry would be looked at. Clearance issues and such.....
 I am sure SOME hydraulic lifters would work. I personally like solids for their consistency.  BUT, Hydraulics have been used for years successfully in Cars and bikes  for performance applications.

   You would also have to address the changes in air flow through the intake, it's effect on the map sensor..... If any.  Voltage readings the it's sending back to the ECU and etc.  Basically a new map would likely be needed. etc.....etc.....etc.  You can't just stick parts on..... intake, exhaust, Cams. And expect the stock ECU to adjust to these changes.... The ECU does have some learning in it, I believe. BUT to do it without thinking you will not have to make changes In the AFR's ?........... You may get away with it , with a filter or muffler?  But modern bikes come pretty lean from the factory.   So basically....... yeah, some things to look at.
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r80rt

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Re: ScooterBob & GHG's C-5 Cafe Racer project
« Reply #53 on: April 04, 2013, 01:03:51 AM »
OUTFREAKINGSTANDING! I've been wanting to see the finished bike for a long time.
Good on ya both.
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ScooterBob

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Re: ScooterBob & GHG's C-5 Cafe Racer project
« Reply #54 on: April 04, 2013, 01:14:07 AM »
That is BEAUTIFUL! Will it do the ton?

IF my calculations are correct, it should show us about 112mph on the dyno .... which ought to be about the ton in real life. Gearing is still an issue - we just haven't haven't had the road time with all the new tuning to suss it out - but the power's there. REAL, honest to goodness Scheidler Steam Traction Locomotive power. Stay tuned .... I can't have the Crash Test Dummy riding in the cold!! Hahahaha!
Spare the pig iron - spoil the part!

gashousegorilla

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Re: ScooterBob & GHG's C-5 Cafe Racer project
« Reply #55 on: April 04, 2013, 01:42:01 AM »
OUTFREAKINGSTANDING! I've been wanting to see the finished bike for a long time.
Good on ya both.

    DANO' !!!!  How ya been man !  How's the back doin'?!  Thanks ! Looks kinda Crazy, aye ?! Went deep in the depths of the Garage for a while and I haven't emerged !

An thaibhsí atá rattling ag an doras agus tá sé an diabhal sa chathaoir.

gashousegorilla

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Re: ScooterBob & GHG's C-5 Cafe Racer project
« Reply #56 on: April 04, 2013, 01:57:41 AM »
I can't have the Crash Test Dummy riding in the cold!! Hahahaha!

   Probably not far of the mark with that !!  :o

 
An thaibhsí atá rattling ag an doras agus tá sé an diabhal sa chathaoir.

gremlin

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Re: ScooterBob & GHG's C-5 Cafe Racer project
« Reply #57 on: April 04, 2013, 10:04:10 PM »
Any possibility of getting a pair of ScooterBob cams for the UCE ?

Or, even the profiles ?
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ScooterBob

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Re: ScooterBob & GHG's C-5 Cafe Racer project
« Reply #58 on: April 04, 2013, 11:47:09 PM »
Any possibility of getting a pair of ScooterBob cams for the UCE ?

Or, even the profiles ?

If all this works out well after a little testing, I may grind a few more sets .....
Spare the pig iron - spoil the part!

ace.cafe

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Re: ScooterBob & GHG's C-5 Cafe Racer project
« Reply #59 on: April 05, 2013, 06:37:06 PM »
I just checked into this thread again, and
WOW,
you guys really did a lot of work on this thing.
It not only has the looks, but it has the "GO" to go along with it!

Congratulations on a real nice result!

When we finally get our B5 done, maybe you and Chumma can go out and wake up some sleepy suburban NJ towns some week-end with some Royal Enfield UCE Thunder!
 8)
« Last Edit: April 05, 2013, 06:46:07 PM by ace.cafe »