Holy cow, just got this message on facebook...performance pump knowledge here. Advance curve is part but this is huge. Came from Goren the guy who built Jetmugg's record holding pump in the 1.5 land speed truck...
You have K and KF value. KF is when springs are unloaded usually 5-6mm. KF is kolben feder ib german. Piston spring. K is the value that you set with the shim under the plunger. When pump is mounted usually you have 3,6mm K at Bottom. But different lift calls for different K. Often you get it in testplan. For performance i use To set at top lift - 0.2-0.4 mm
and more...
KF is springs unloaded. Rotor out of pump. I set 0.2-0.4 at top lift and then K is what it is. For example if you have 2,8mm lift K is 3.0-3.2. Follow me?
and now even more info...
I put a shim in. Put rotor in an take pump To top lift. Mesaure from plan To plunger under the 3 size plug. If i get for example 0.7 mm i increase the shim with 0.3-0.5 mm
I apologize to wake this old thread, but madness here is just too good to be lost.
I don't know how it could be so long since last update.
Do I understand correct, Dieselmeken Goran posted you info on upgrading your fuel pump?
How did that turn out? Did you do it yourself? I mailed Goran and he 's top chap, his FB page is brilliant.
I was reading this thread as I am studying turbo maths (PR, CFM and what the hell it all means)
read it 3 times before but just now I am starting to understand what has been achieved here.
Over 90% headflow efficiency?
ARE YOU CRAZY? Even if car is no longer working you should be very very
proud of what you have biuld.
If this thread continiues somewhere else please tell me where is the rest of it!
Is the car still runing? Where are dyno numbers?
I realize that conversation is probably continued between theman,alcaid and rabbitjockey on private but still we jungsters
need this thread to stay alive so we can all see amazing things you achieved with this little engine.
So please let us know of car's current status
regards, Matevž