Re: [DML] Re: Hot exhaust
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Re: [DML] Re: Hot exhaust



Good input, Harold :-) If you manage to get a cam off by a tooth, the 
engine runs like a bag of nails - got the T shirt on that one! I think 
Nick has now manually timed up the cams with a dial gauge so the process 
is very different than following the book

The early Renault engines have a single fuel inlet on each rail and 
quickly moved to twin pressure regs and twin inlets so there may be a 
pressure differential along the rail - but I suspect the symptoms of 
that would be less obvious than these.

Nick: remind me, have you tried running the cams at 110 degrees inlet 
full lift? Mate if you get really stuck, I can supply a pair of cams 
from a Z7U turbo engine which you can time up by the book.

For anyone's interest, we have two complete Z7U 2458cc turbo engines 
ready to go. I've already hybridised a third into a DeLorean with an 
Island Twin Turbo.

Martin

Harold McElraft wrote:

> Some thoughts - Where does the fuel enter the fuel rail? Have you
> measured the pressure across the entire fuel rail? I didn't read every
> response - but I assume you are sure the cam is not flat spotted or a
> lobe worn down? With a bore scope - how do the valves look at overlap?
> Are you sure the cam is timed correctly (could it be off a tooth?)
>
> Harold McElraft - 3354
>
> --- In dmcnews@xxxxxxxxxxxxxxx <mailto:dmcnews%40yahoogroups.com>, 
> "Nick" <nicholden@...> wrote:
> >
> > Hi,
> >
>
> >
> > Any suggestions ? ?
> >
> >
> > Cheers, Nick
> >
> > Australia
> >
>
>  




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