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 idle problem

 Created by: Nighthack
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 Posted: May 14, 2022 09:59AM
Total posts: 10
Last post: May 14, 2022
Member since:Apr 15, 2019
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it does the same thing at 1000rpm or 12000 , could it be the bimetal strip heating up and changing the mixture? cause it only starts happening while at idle after a good 4 mile warm up run

 Posted: May 14, 2022 09:51AM
Total posts: 265
Last post: May 15, 2022
Member since:Jan 22, 2018
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Increase the idle rpm ... 800 is too low.

 Posted: May 14, 2022 08:07AM
Total posts: 10
Last post: May 14, 2022
Member since:Apr 15, 2019
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my 69 MKII coopr s 1275 has pertronix 2,  idles ok until i take it for 4 mile fast run then when at idle after 2 minutes starts to sputter couple times towards stalling every 4 seconds, can't idle smoothly at 800rpm , I tried everything, new plugs/wires/distributor/coil /fuel pump/vacuum pump on/off, dash pot oil, fuel mix/ choke/  timing / air filter, checked hoses, checked for leak with wd40, fuel filter, any ideas?