Leaded To Unleaded Engine
#16
Posted 16 August 2017 - 09:04 PM
#17
Posted 17 August 2017 - 06:34 AM
As said you only need to swap the cylinder head or upgrade the existing cylinder head by fitting hardened valve seats to go unleaded..........no one in their right mind would replace a perfectly good engine completely just to go unleaded!
#18
Posted 17 August 2017 - 06:49 AM
Castrol Valvemaster, simples.
Both my Minis came from the factory unleaded, (even an MPi), both now have valve sizes that are too big for unleaded seats , so just bulk buy valvemaster plus. Even includes octane booster too which is useful for their High C/R/
Edited by Midas Mk1, 17 August 2017 - 06:49 AM.
#19
Posted 17 August 2017 - 08:27 AM
Here are some insert machining being performed on a 1098 Morris minor head;
Attached Files
Edited by ACDodd, 17 August 2017 - 12:48 PM.
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