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Fuel System Return 140-160 1972

posted by  s_r_c on  Sun Mar 4 11:42 CST 2007
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last visit: Wed Jul 6 23:51 CST 2011
[RELATED]

probably the dial is a fuel pressure regulator as mentioned. converting to carbs requires going to a mechanical fuel pump running off the cam. aftermarket pumps consistenty put out too much pressure for the SU's to behave normally.

when i run 2.5psi the car dies out like you describe. at 3, it floods the bowls. if you find yourself in that situation, you can adjust the float bowl level and hopefully overcome it.
--
1966 122s, 1970 142s, 1974 142e... Blue is beautiful






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