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Oil squirters. Required, or dead weight?



he has a 2.0 crank in a 1.8 block, thats the reason. the proper fix w=
ould be to completely rebuild
everything into a 2.0 block. thats a bit of an extreme fix.
Al

----- Original Message -----
=46rom: "Marc scirocco Qu=E9bec" <marc_scirocco@yahoo.ca>
To: <scirocco-l@scirocco.org>
Sent: Sunday, July 21, 2002 7:10 AM
Subject: Re: Oil squirters. Required, or dead weight?


> This is funny. You are right about the cooling effect
> of the oil squirters.
>
> The thing is that the oil squirters are not supposed
> to rub upon anything, period.
>
> If they do rub, FIX THE ORIGINAL PROBLEM!!! Do not try
> to go around the original problem, by removing the
> squirters!!!
>
> There is a problem, so find it, and fix it, and keep
> the squirters.
>
> Measure, measure, measure, blueprint, blusprint,
> blueprint. You are almost there, so get it. I am sure
> it is something simple that was overlooked.
>
> Cheers.
>
> Marc
>
>  --- Dan Bubb <jdbubb@ix.netcom.com> a =E9crit : > Josh:
> > As Larry pointed out the purpose of the oil
> > squirters is to cool the
> > pistons, NOT lubrication.
> > A cooler piston allows higher compression without
> > detonation.
> > So, depending on what compression ratio you're
> > running or if you're running
> > with a turbo or supercharger the oil squirters could
> > be a big help.
> > If you're running stock compression with no boost
> > and can always get good
> > gas then they may not be necessary.
> > Also, note that the need to suppress detonation is
> > greatest around the
> > torque peak (where cylinder pressures are highest),
> > not at super high RPM,
> > so it's a CR related issue, not RPM related.
> > Recent article in RaceTech magazine about the Audi
> > R8 engine mentions that
> > they improved the water circulation in the cylinder
> > head and as a result the
> > combustion chamber ran cooler and they were able to
> > delete one of the oil
> > squirters under each piston.
> > Just a little info so you all know it's not just
> > opinion.
> > Dan
> >
> >
> > ----- Original Message -----
> > From: <joshhignight@techography.net>
> > To: Scirocco List <scirocco-l@scirocco.org>
> > Sent: Saturday, July 20, 2002 9:49 PM
> > Subject: Oil squirters. Required, or dead weight?
> >
> >
> >    I am in the middle of a dilemna. My beasty block
> > has been cursed with
> > problem after problem. First, I find the pistons are
> > facing the wrong
> > direction (it's a 16v, relief cuts for intake valves
> > were installed facing
> > the exhuast valves). Open bottom end, rods are on
> > backwards too (bumps on
> > rods are not facing cambelt side of block, going
> > against Bentley note). Pull
> > rod caps, crank, rotate pistons and rods,
> > reassemble. Turn crank... thunk
> > (contact). Searching reveals that the oil squirts
> > are contacting the now
> > correctly installed rods.
> >
> > So, do I pull the oil squirters and just live with
> > it? Do I go through the
> > hassle of not having my car for how many more weeks
> > to have things corrected
> > (the shop is not local, by 900 miles)? If the block
> > will have no adverse
> > effects from not having the squirters installed,
> > I'll run it like that. I
> > plan to hit 8K rpm with it and it's running 83mm
> > forged pistons and 2L crank
> > and rods (was a stock 1.8 16v block).
> >
> > Any and all input are welcome.
> >
> > Joshua
> >
> >
> > _______________________________________________
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> >
> >
> >
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> __________________________________________________________
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