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Old 01-22-2019, 11:09 PM
daantjie daantjie is offline
Daantjie
 
Join Date: Nov 2014
Location: Vancouver, BC, Canada
Posts: 151
Hard hot starting can also be the auxiliary air valve (air slide) stuck open. At engine full hot it must fully close but after all these years original ones get stuck open letting too much bypass air into the idle circuit. Does it idle rough too when hot, or just the starting that's difficult? Be warned the auxiliary air valve is eye wateringly expensive if you can find a new old stock one. Old ones can be cleaned with varying degree of success.
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