L26 has 9.4:1. Just like the L36.

L67 and L32 have 8.5:1 Compression.

So...you were running a 2.8" pulley...ported blower...with an S1X...headers...bigger injectors and a different fuel pump...on a canned tune? I'm surprised it didn't pop the first time you went WOT.

Anywho.

Budget?

Because that'll tell us what we can tell you.