Re: Supercharger

Posted by Eric Boyle On 2007/2/16 17:30:18

I haven't changed any jetting on the carb because it was running rich in the first place. I have a 600 CFM Edelbrock on it right now, which was kinda big for my little 320 that I'm running. I'm pretty sure it's not in the carb, as jetting won't affect the airflow through the engine. It's also possible that the carb's too big, even with the supercharger, but I don't think so. In fact, I'm thinking that I'm going to have to move to a 700 CFM for the 374.

As to the exhaust, I'm using the stock pipes with glasspacks and no resonators. In a month or so, I'm taking it to the exhaust shop to have as large a pipe that I can fit under there put on. Most likely 2.5" will be the biggest that I can put under there, and still be in the stock location. There will be two Flowmaster's at the back, and that's all. Eventually, I plan on getting headers put on for the 374, which I'll probably have to make myself. I want this car to sound like it's got some guts, even if it doesn't yet.

When it's all said and done, it will have a nice muscle car sound to it, but yet you'll still be able to have a decent conversation inside the car, while traveling at 120+MPH.

On a side note, for those of you that have the '51-'56 body, as long as the lower front control arms are similar enough, I may have found a beefier front sway bar for our cars, in the form of a 4X4 2005+ F150 pickup. The front bar on those are 1.3255", whereas a stock Packard front sway bar is 0.63". I think I can use one off a F250, F350 for the rear. I don't know about everyone else, but the body lean in a sharp corner at speed has got to go. I'll keep you all posted as to my progress. Like I said, there's going to be some exciting stuff in the V8 Packard world this year!

Eric