Interesting.. Thats real shallow!

Ever thought about running a Saturn 1.9l from the early 90s.. All aluminum block, stock 9:1 pistons, 8000rpms no prob. Will handle a little boost. And alot more of them aitting around n junk yards. The rock crawler guys used them all the time.

11.45@125,
stock bottom end 6bolt 2g head.
272 hks cams.
Holset hx35
Backyard biult!!