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Converting to Unleaded

Hi, I was just wanting to know what is involved and how much it would cost to convert a 202 to run on unleaded petrol? Also will doing this raise/lower the compression?

Thanks

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Typically it's just inserts for the exhaust seats and a set of bronze guides or 'k' liners - inserts are around $30 each and guides will depend on which way you go. However, if your going to the trouble of pulling the head off you would likely go for a full reco.

Compression ratio will depend on whether you machine the head surface or alter the chamber shape when the heads off - inserts alone would not make a significant difference. Running on decent ULP (optimax/Ultimate)should certainly give you better performance - as most Lead replacement fuel now is crap.

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