[CamaroRS92]

Yes it did use to run ok, The problem has gotten progressively worse over time and i was told by mechanics that the problem was with wear in the carburetor body allowing excess air to be sucked in and was flooding the cylinders causing fouling of the plugs. So we replaced the carb with new to eliminate that.

After replacing the carb and doing an upgrade to HEI it ran very well and got excellent fuel milage, - but all of a sudden that changed and now im back to square one and the mechanics cant find what the problem is.

Thank you for your suggestions i will follow up with those and see what i come up with.