Re: SER1 Unleaded petrol?

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Many thanks to Martin, Tom & Charlie!

Since I am member of the LRSOC, I will check the hardened valves & seats 
offer (£55 per set of four).

However, what about the FUEL CAT catalyst (http://www.fuelcat.co.uk)? In 
particular, the in-line device seems very easy to install and its price 
is relatively low (£55-£65)...

Paco

Martin wrote:
> Paco,
> 
> If you need to worry about using unleaded at all, (many don't and have 
> no problems because the engines were designed to run on poor quality 
> "Pool" petrol anyway), try http://tetraboost.com/
> 
> This is expensive stuff but if you believe what it says it seems the 
> best solution apart from fitting the hardened valves and seats from the 
> Series One Club Shop, (members only privilege) then use with unleaded.
> 
> Regards
> 
> Martin

Tom Tollefson wrote:
 > Ola Paco
 >
> Here in Canada I can buy "lead substitute" additives. It is available
>  in liquid form at most automotive part suppliers. Without the 
> additive You motors exhaust valves will get damaged sooner or later. 
> I have seen new engines ruined that way within 50 000 km of driving 
> on unleaded gas. By that measure You may have a rebuild on Your hands
>  within the next 10 years. The long term answer to driving with
> unleaded fuel is of course hardened Valve seats.
 >
 > Tom Tollefson, 52, 80"

Charlie Myres wrote:
 > Hello Paco,
 >
 > I have found this in some old "Practical Classics"
 > magazines.
 >
 > Using phosphorous based lead-substitute additives such
 > as; STP Lead substitute; Associated Octel Valvemaster
 > may help. Wynn's Lubrivalve is mentioned and the
 > spring issue 1999, says Red Line lead substitute and
 > Superblend Zero Lead have passed an independent test
 > in which less than 0.3mm of valve seat recession was
 > found. Tin based products were found to be of no use
 > in preventing valve seat recession.
 >
 > They also say to change to hardened seats if you do
 > high mileages, or if the car is driven hard e.g.
 > towing.
 >
 > I hope this is of some use to you.
 >
 > Cheers Charlie

> ----- Original Message ----- From: "Francesc Serra Graells" 
> <paco.serra@xxx.xx>
> To: <series1@xxxxxxxxx.xxx>
> Sent: Monday, December 19, 2005 2:00 PM
> Subject: SER1 Unleaded petrol?
>>
>> Dear all,
>>
>> Here in Spain, the leaded petrol is becoming more and more difficult 
>> to find, so I was wondering if anyone could give me any advice about 
>> the best additive solution (if required) to fill the 1997cc petrol 
>> engine with unleaded petrol. The average milage of our Land Rover is 
>> below 500Km/year...
>>
>> Thanks in advance!
>>
>> Best wishes,
>>
>> Paco
>> '52 S1 80"



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