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It seems to go a little better, not sure if the timing was optimised pre fitting, but at least its going again, i quite often break things trying to make improvements - the old 'if it ain't broke, don't fix it' thing.
2 of the leads were too short so i've just sent an email, hopefully the bloke sends me the correct ones.
Before
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After
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I've got a carby synchroniser http://www.ebay.com.au/itm/carby-balanc ... 3378e8c82a on the way from eBay land, so that will be my next tinkering session, try to stop the occasional popping backfire at idle.
Tony