He may not use stockish parts later, Ive seen ported E7's on a 347 make 310rwhp though i forgot his torque numbers.
I just see no point in building a 250hp 347 when you can get the same numbers with stockish parts.
Ah, most 347 kits offer a STD, .30 and .40 piston
347 is with a .030 overbore. i believe it's a 342 with a 4 inch bore.
How about the cost of tuning the EEC for the extra 45ci of the 347?
A 347ci will not run nicely with programming designed around 302ci.
With a 306 you could probably get by with the stock programming of the EEC.
The 347 is usually a 3.40" stroker crank with a 4.03" diameter piston.
I've also seen a 347 that is a 3.25" stroker crank and 4.155" diameter piston.
The 4.155" bore would require an aftermarket block though.
Just my $0.02.
It really sounds like you need to do some reading and figure out your goal for what you want the car to do. Your engine and everything else is going to revolve around that.
^ x2. It seems everyday people post up asking "what will this do?" The best thing you can do is read what other people have done and see what worked and what didn't. The builds thread at the top of the forum is the best place to start.
studs are good for high CR or high boost but keep in mind if you plan on getting better heads later on i dont think you can swap the heads in the car with studs unless you remove the studs also. i would say some good arp hardware will work just fine but they are $$$ what's your budget for the motor? we can tell you all sorts of ideas but some may be to much and others may be falling short of what you can get.
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