whats the most the lq1 can be bored out to

[MoTox8410]

as title says???

[mfewtrail]

.060'' over is the maximum "safe" overbore. I would suggest that you only overbore it as needed, you're not going to gain much displacement by overboring these blocks.

[Bossman429]

http://users.spec.net/home/emxjc/block.html

3.5 L or so.