[Bulk] Re: [Diy_efi] water injection

Steven P. Donegan steve
Sat Sep 29 01:32:18 UTC 2007

High lift cam with a turbo/supercharger is pretty much a waste of
effort. Longer duration cam can be a win.

On Fri, 2007-09-28 at 20:22 +0100, ian wrote:
> > You have now.  :)  Light detonation isn't even audible, and can go on 
> > indefinitely at that level without harming the engine.
> I suppose you guys might like to hear the details of my little project
> then...
> the water injection is a first step.
> Im looking for a second engine and that one is getting 'the works'.
> The CL-61 is a 3 pot 1.0 turbo diesel. It makes 56HP stock, and has a
> powerband from about 2500-3700 RPM. peak power is at 4800RPM but unless
> you've got a really nice new one I wouldnt recommend pushing it that
> hard (my last one died of oil starvation at 99.8MPH doing ~4800
> RPM :-) )
> The idea is...
> source another engine
> tear it apart. clean _everything_.
> get the block lined (its not lined by default) with nice, 21st century
> high grade liners.
> forged pistons, rods.
> custom crank w/ knife edges.
> increase oil pressure to 85PSI from stock of 60
> o-ring block and head, use copper head gasket
> fit turbocharger from 1.0 VW lupo diesel
> increase boost
> custom headers and exhaust, tuned for 32-3700 RPM
> lightened flywheel
> replace injector pump with electronically controlled IP. (this allows
> control over advance, and fuel quantity and pressure)
> water injection (my current project)
> intercooler
> alternator control unit (dont suck power away when accelerating)
> Some stuff Im not sure about though:
> high lift cam (unsure how this will affect the engine, its a huge
> change)
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