If it's a real 340 car, and thats the numbers match engine......
If you want LOTS more suds, and the budget can stand it, put the 340 in a corner, in a bag, save it, and throw a 408 BP in it.
I wouldn't hop up a matching 340. Non matching- do whatever you want.
It is a real 340 car but not the matching numbers engine. I have a hard time believing there are that many that are since they were ran hard from day one, but that is a whole different conversation. Thanks for everyones input
