Quote:

I will be putting a 340 together for a freind

10.1 comp , 540/235 (not sure), J head 2.02 m1 750carb

would the 557 be a good upgrade for this 340

its on a budget / low key combo


If you already have it,I would definately use it.
Mine was 10.3 to one,for what it's worth.