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Unleaded Conversion


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#1 jam2005

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Posted 23 January 2005 - 01:18 PM

At the moment i've got an '87 mayfair leaded engine. Im wanting to change this to unleaded. All I need is an unleaded head right? :thumbsup:

Jam2005 :grin:

#2 Pavel

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Posted 23 January 2005 - 02:04 PM

Yeah but you might aswell invest in a better (ported/flowed) unleaded head while youre at it for the sake of another 100 pounds you'll get better peformance.

#3 Dan

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Posted 23 January 2005 - 06:30 PM

You may need to re-tune it slightly for the new fuel, and you might find that some of the parts in your carb or fuel pump don't like unleaded but it should be ok.

#4 TimS

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Posted 24 January 2005 - 12:32 AM

you shall also need to change your ignition timing too slighly for the change in the fuels RON




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