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heat protecting fuel pipes

Technical issues not related to a DLOC car marque, eg tyres, ethanol, other car makes, etc. and legal, political and insurance
JT7196
Extremely Wise Man
Extremely Wise Man
Posts: 1535
Joined: Sat Feb 13, 2016 7:22 am

Re: heat protecting fuel pipes

Post by JT7196 »

Hi, my Lanchester is fine most of the time, with frequent 40+ mile round trips almost being the "norm"' but after progressing up the hill from Ilchester into Yeovil, and taking a couple of slow turns to my home street, as I slow down to approach my home, the engine invariably faulters , this I put down to "Heat Soak" .
The strange thing is though, that the hill out of Lyme Regis, is an even longer hill, which ends at a "T" junction, onto a busy main road, and have never any problems with the engine faltering , so who knows what the answer really is ???
I have heard that adding some paraffin to the petrol can reduce vaporisation, what does the " team" think ??

Cheers Al

Fossil
Wise Man
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Posts: 516
Joined: Sat Feb 13, 2016 5:08 pm
Location: Helensburgh, Argyll

Re: heat protecting fuel pipes

Post by Fossil »

Never, ever, ever put paraffin in your tank: it does not alter the vaporisation of fuel because the latter is related purely to the fractions of petrol that are intrinsically most likely to vaporise first when heated, and which are completely unaltered by the addition of the paraffin. Also and perhaps more importantly it can cause pinking under load, or at least it did that to my Century when I stupidly did it, and that took a surpisingly long time to disappear. However thankfully it did eventually and the machine runs very well now.

I think that a red rotor arm cured the problem of faltering when hot.

Cheers

Geoff

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