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Is the fuel return to the tank really necessary?

Posted July 20, 201212 yr

comment_396252

1970 240z, will be dropping in a built 2.8L with Z therapy SU's, wondering if I can just use an electric fuel pump with regulator to 3lbs straight to the carbs with no return line?

Thanks,

Chris

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July 20, 201212 yr

comment_396255

That worked for me with triple Mikes. No problems.

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July 20, 201212 yr

comment_396257

My SU's I ran the mech pump with the original return with no regulator - with my Mikuni's I am running a fuel pump dead headed with regulator. Never had a fuel issue either way.

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July 20, 201212 yr

Author

Good to know, thanks

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https://www.classiczcars.com/forums/topic/43860-is-the-fuel-return-to-the-tank-really-necessary/

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Replies 3
Views 1.6k
Created 12 yr12 yr
Last Reply 12 yr12 yr

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Jul 20 2012 3 posts

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