I'd like to register my Dad's 23' RV that I brought to CA from AZ recently. It has a 454 BBC (65k miles) that I tried to smog last week....and it failed. The smog tech said not to touch the carb as it was dialed in, but that it has a miss that's the likely culprit of why it failed. Looking at the smog report, the motor did excellent at the 2500 rpm test, but registered as a gross polluter spewing twice the legal limit if hydrocarbons during the idle test.
So I'm thinking of doing a basic tune up and testing it again, but want to get some feedback about whether it's worth putting any more $ into this beast. All in all this RV is in decent shape, it handles well, and it towes the toys well. So I'd like to keep it.
Besides changing plugs, wires, cap, rotor, points and setting the timing....do you have any other suggestions? Also, what should I set the timing to here in San Diego?