DaddyDrake

Lq4 that is .030 over so it should be a 4.030 bore. I'm looking into the speed engineering long tubes. I'm wanting to put down to the wheels 425-450 or more.
After I did the 80e swap it needs more power haha. Its my daily driver so streetable is a big concern.
List of already done is lq4 that is .030 over with ls6 cam, 853 heads, truck intake manifold, 06+ truck injectors, cold air intake, bbk shorty headers, cats deleted, 4.10 gears with locker with 80e and stock converter

gagliano7

Atk sells an LQ4 long block that makes 460 hp. here is a thread https://www.performancetrucks.net/fo...thread-530290/

Here is the ATK motor in a Firebird Auto and dyno numbers. https://ls1tech.com/forums/generatio...aders-lq4.html