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I have an LQ4 that is bored .030 over with 317 heads and soon a texas speed 224r cam. My question is what type of comp ratio would i be looking at with the .030 bore and stock 317 heads?? Also i have a pair of 241 heads, could they be better than the 317's. the motor is natural asp.
flat top piston, or dished piston like factory?
+1
mill the heads .040 itll leave ur heads to about 66.5ccs youll bump your compression ratio up and still be 87 octane friendly :)
The pistons i want are flat tops. Im looking for like 10 to 1 comp, would flat tops get me there? I dont know about milling the head a whole lot but i can always bore it more, like .040 or so.