I have an older 2 barrel Holley Pro-Jection System that surges at low rpm's. When the A/C is engaged the problem magnifies. I had a local Hot Rod mechanic take a look. He believes this Holley is not delivering the volume needed for the 455 engine and is recommending to change to a 4 barrel...
My 76 Eleganza II has been running fine for the last couple of months, drove down from Vermont mid January and I'm currently bopping around Florida. The coach has been heavily worked over by the PO, some good, some not so much, but it's been running well until 3 days ago.
The fuel pressure...
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