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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