Ah, I was waiting for the oil burners to rise up! Can't agree any more, but I get the feeling it probably isn't in the budget. I quoted 360 for much the same reason as 318willrun, but failed to mention the detail of possibly even further leaning down the 318 Q-jet to use the largest available seat orifice size in the EGR valve. More exhaust gas recirculated, less air to add fuel to. Well, to a percentage point anyway, but that’s not going to be an issue with your low restriction exhaust, as most EGR systems were pressurized by a restrictive catalytic converter and single exhaust with a junk muffler. If you can afford the machine work, zero deck the block to the cast pistons, this will bump compression to close to 9:1 or higher with thinner gaskets. Kudos on the ping eliminator, as well as Kudos on the action plus, I mentioned SP2P because you have it, but indeed it will choke down output on a 360 above 3000 rpm. Optimal intake is probably an edelbrock performer EGR. If you visit the RV forums, The SP2P with EGR is a revered piece of hardware for improving fuel mileage on even a 360, even if it barely matches the power of a stock two barrel EGR intake. But the all the aforementioned combinations are very viable, just each one will have to be tuned individually. I'm just factoring in that your probably trying to do it as low budget as possible with what you have and using what will take the least work. What is the altitude in your part of Delaware, and I am assuming mostly flatland highway driving at 100 miles per day? Very much stop and go? Is just you driving it or carpooling? Are you hauling stuff back and forth? How much stuff can you live without if you put porky on a diet?
