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Stumbling 240Z with Arizona Z car intake and Holly 390

August 24, 20186 yr

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I though about that a bit. Im going to head down that path this weekend

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https://www.classiczcars.com/forums/topic/60547-stumbling-240z-with-arizona-z-car-intake-and-holly-390/?&page=2#findComment-556038

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https://www.classiczcars.com/forums/topic/60547-stumbling-240z-with-arizona-z-car-intake-and-holly-390/

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Replies 12
Views 3.1k
Created 6 yr6 yr
Last Reply 6 yr6 yr

Top Posters In This Topic

Zaspen 6 posts
Zed Head 2 posts
Mark Maras 2 posts
Patcon 1 post

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Mark Maras

August 10, 20186 yr

The fact that #1 looks good and others are carboned up makes me think the problem is electrical. Probably somewhere in the cap, rotor, plug wires, plug wire connections. New plugs, resistance check on
Patcon

August 22, 20186 yr

I have messed with some Holley's definitely not easier than SU's. SU's are super simple with only one circuit and a float level. Holley's have multiple circuits and sometimes two float level. More var

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