Is there any lack in power using PULP with an L series?
-----Original Message-----
From: Zac Campbell [mailto:[EMAIL PROTECTED]]
Sent: 1 March 2001 10:57
To: [EMAIL PROTECTED]
Subject: Re: EFI L series engines and other fuel problems
I've always ran my car on PULP except for the occasional long trip when
I
ran on leaded.
I've always been told ULP is fine in an L-series. Those that tell you
otherwise seem to not know much about Datsun motors specifically.
zac
----- Original Message -----
From: Justin Friedrichs <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, March 01, 2001 9:50 AM
Subject: RE: EFI L series engines and other fuel problems
> Hi List
> I have been told by an engineer and a engine builder that any L series
> datsun with an alloy head can run unleaded fuel, it does not need LRP
as
> alloy heads are softer than the valves so valve recession or scoring
would
> not be a problem. Appartently using unleaded fuel is only a big
problem if
> the head is cast iron obviously much harder than aluminium where valve
> problems occur.
> But I am still a bit careful, I use premium every other tank full.
>
> Justin
>
>
>
>
> > I read that article in the Perth Street Car magazine a couple of
years
ago
> > when
> > we first got LRP over here.I had already been running the LRP for a
couple
> > of
> > weeks and couldn't figure out why my plug readings were always
rich(black
> > soot).Even my rear bumper had black soot on it.The 02 sensor
indicated a
> > good
> > mixture and no oil was being used.I then changed to BP Ultimate 98
and
got
> > some
> > color back in the plugs.If the motor is going to be pushed for
extended
> > periods
> > then I add a bit of Redline lead replacement addative for extra
> > saftey.Running
> > the addative was on the advise of my local engine reconditioner who
looks
> > after
> > a few desert racers.He told me that one of the motors running on
premium
> > had bad
> > valve recession and cylinder scoring while the other had been
running
> > C16(high
> > lead) and was in good condition after one season.He then used the
Redline
> > lead
> > substitute with the premium and found very little or no valve
recession
> > after a
> > season.He reckons any high performance especially turbo charged cars
even
> > late
> > model engines that are being put under load for long periods should
use
> > some
> > sought of valve and cylinder protection.
> > Andrew Smith
> > Errol Smith wrote:
> >
> > > Terry,
> > > The anti-seize was for the plug threads to aid plug removal.
> > > It makes it a bit hard to come up with inexpensive valve build
specs
for
> > a
> > > good streeter now doesn't it.
> > > I think the full race treatment with Serdi Silchrome (Silicon
chromium
> > > steel) seat inserts and 214N stainless valves may become the
standard
> > fare
> > > for normal engines, to handle these crap fuels.
> > > That article was a good read thanks Terry
> > > Cheers
> > > Feral Errol
> > > mailto:[EMAIL PROTECTED]
> > > http://www.datrats.com.au/
> > >
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED]
> > > [mailto:[EMAIL PROTECTED]]On Behalf Of Terry
Rudd
> > > Sent: Tuesday, February 27, 2001 10:38 PM
> > > To: [EMAIL PROTECTED]
> > > Subject: RE: EFI L series engines and other fuel problems
> > >
> > > Errol,
> > >
> > > LRP is indeed PULP with an avsr (anti valve seat recession)
additive.
> > >
> > > Here an excerpt from an interesting article from Redline and the
link
to
> > the
> > > complete article for whoever is interested is below. It's a good
read.
> > >
> > > "We will be using the LRP formulae the fuel companies decide are
the
> > most
> > > commercially acceptable, for them, in the vehicles we are trying
to
use,
> > to
> > > preserve and enjoy, so perhaps we should have a look at the fuel
we
are
> > > being asked to use in our pride and joy and see what our options
may
be.
> > The
> > > basis for the new wonder LRP is Unleaded Petrol. In fact it is
Premium
> > > Unleaded, because adding a volatile hydrocarbon to accelerate and
> > stabilize
> > > the burn rate of the fuel has raised the octane."
> > >
> > > http://members.iinet.net.au/~peter99/FEB2000.HTM
> > >
> > > regards
> > > Terry
> > >
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED]
> > > [mailto:[EMAIL PROTECTED]]On Behalf Of Errol
Smith
> > > Sent: Tuesday, 27 February 2001 8:27
> > > To: [EMAIL PROTECTED]
> > > Subject: RE: EFI L series engines and other fuel problems
> > >
> > > Richard,
> > > Sounds like a liberal coating of anti-seize is the go.
> > >
> > > Cheers
> > > Feral Errol
> > > mailto:[EMAIL PROTECTED]
> > > http://www.datrats.com.au/
> > >
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED]
> > > [mailto:[EMAIL PROTECTED]]On Behalf Of Richard
Clough
> > > Sent: Tuesday, February 27, 2001 7:29 PM
> > > To: [EMAIL PROTECTED]
> > > Subject: Re: EFI L series engines and other fuel problems
> > >
> > > You are right about the spark plugs getting crappy with LRP.
> > >
> > > I thought I was going to strip the thread in the alloy head when I
went
> > to
> > > remove the plugs, after only 1000 kms using LRP. The carbon was
> > embedded
> > > into the lower thread and I suspect after a few plug removals,
helicoils
> > > will be as rare as hen's teeth. I had to really apply torque on
the
> > plug
> > > spanner for about a quarter of every plug extraction before they
> > loosened to
> > > a "normal" plug removal feel.
> > >
> > > I have just read that LRP is Premium ULP with a lead replacement
> > > additive(Today's RACV monthly) - could this be correct?
> > >
> > > ----- Original Message -----
> > > From: "Tuting, Anthony" <[EMAIL PROTECTED]>
> > > To: <[EMAIL PROTECTED]>
> > > Sent: Tuesday, 27 February 2001 9:40 AM
> > > Subject: RE: EFI L series engines and other fuel problems
> > >
> > > > That LRP is nothing but trouble, my mum was putting it in her
car
('80
> > > > C0r0na) and was wondering why the car was running so bad, there
was
no
> > > > pickup, no power just simply no guts. I told her not to fillup
at
> > Shell
> > > > or Woolworths and so the next day she just got BP and it was
back to
> > > > normal.
> > > > Same thing happened to my friend on the weekend, his '83 L@$er
was
> > > > nearly stalling at idle and he had done the same thing, told him
to
> > put
> > > > some 'real' fuel in and it was all good.
> > > >
> > > > Has anyone noticed that the spark plugs get crapped up a lot
quicker
> > > > from this stuff?
> > > >
> > > > -----Original Message-----
> > > > From: Zac Campbell [mailto:[EMAIL PROTECTED]]
> > > > Sent: 26 February 2001 21:54
> > > > To: [EMAIL PROTECTED]
> > > > Subject: Re: EFI L series engines and other fuel problems
> > > >
> > > >
> > > > Richard! Amy hasn't been running the Capella on that horrid LRP
has
> > she?
> > > >
> > > > zac
> > > >
> > > > ----- Original Message -----
> > > > From: Richard <mailto:[EMAIL PROTECTED]> Clough
> > > > To: [EMAIL PROTECTED]
> > > > <mailto:[EMAIL PROTECTED]>
> > > > Sent: Sunday, February 25, 2001 10:13 PM
> > > > Subject: Re: EFI L series engines and other fuel problems
> > > >
> > > > Zac,
> > > > Its called PT, not a Cruiser by Chrysler - public transport!
> > > >
> > > > So where's your good advice on whats wrong with the Mazda? I'm
> > thinking
> > > > it may be a tight tappet adjustment, any other thoughts?
> > > >
> > > > ----- Original Message -----
> > > > From: Zac <mailto:[EMAIL PROTECTED]> Campbell
> > > > To: [EMAIL PROTECTED]
> > > > <mailto:[EMAIL PROTECTED]>
> > > > Sent: Saturday, 24 February 2001 22:20 PM
> > > > Subject: Re: EFI L series engines and other fuel problems
> > > >
> > > > So what is Amy driving this week?!
> > > >
> > > > Stay tuned same time next week, for 'The Cloughs'!
> > > >
> > > > :)
> > > >
> > > > ----- Original Message -----
> > > > From: Richard Clough <mailto:[EMAIL PROTECTED]>
> > > > To: Datsun 1600 <mailto:[EMAIL PROTECTED]>
> > > > Sent: Saturday, February 24, 2001 9:24 PM
> > > > Subject: EFI L series engines and other fuel problems
> > > >
> > > > Luke Clough has been have little joy in his 1600 since
installing a
> > VL
> > > > Commodore fuel pump to his EFI L series engine last week. His
idea
> > was
> > > > to overcome fuel starvation being experienced on very hot days
after
> > > > sitting at the lights, by pumping more fuel to cool the rail.
> > > >
> > > > Problem became even more pronounced this week leading to
> > embarrassments
> > > > like pushing the car after it dies at the lights!
> > > >
> > > > I travelled to Melbourne today tandem trailer in tow and I was
under
> > > > instruction by my financial advisor (wife, Lynn) to hand over
her
> > > > Commodore to Luke, so he had reliable transport for work until
he,
or
> > I,
> > > > had his fuel problem sorted out.
> > > >
> > > > I have been nagging him to replace the original fuel pressure
> > regulator
> > > > ever since he fitted the engine, as its adjustment thread was
worn
> > out.
> > > > Obviously motivated by the threat of driving the Commodore, Luke
> > finally
> > > > did it today. The replacement regulator cost $4 (off a 6 cyl
EFI
> > > > Skyline). So far, his engine is purring and pulling strongly at
5500
> > -
> > > > something it didn't do before- hopefully problem solved.
> > > >
> > > > I'm not saying anything.
> > > >
> > > > Meanwhile his sister Amy's Mazda Capella (piston engine) has
been
> > > > reluctant to start when cold. It pops and spits back as if it
has
a
> > > > manifold leak, or is running lean. But as soon as it gets a
tiny
bit
> > of
> > > > heat in the engine it runs like a watch. I have swapped
carbies,
> > fitted
> > > > a new coil, leads and points, checked for leaks in the manifold.
No
> > > > change.
> > > >
> > > > Any Suggestions anyone?
> > > >
> > > > I had to smile as I was coming home from Melbourne tonight still
> > towing
> > > > the tandem, with the Mazda leering at me in the rear view
mirror. I
> > was
> > > > supposed to be bringing the Datto home to fix, but a simple $4
part
> > got
> > > > it going well. However, $64 didn't fix the Mazda - typical. I
wish
> > we
> > > > had another 1600 for Amy.
> > > >
> > >
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