direct boltin with LS motor and 4L60e?

here is a compiled list of cams I had saved, some borderline needing converter.

Comp 212/218
54-412-11 XR265HR
212/218 @ .050 .522/.529 114° LSA 1200-6000 RPM

54-412-11 - XFI

Comp 212/218
54-424-11 XR265HR High Lift
212/218 @ .050 .558/.563 115° LSA 1400-6700 RPM

54-424-11 - XFI

Thunder Racing TR220
TR 220-112
220/220 @ .050 .551/.551 112° LSA 1500-6500 RPM

Thunder Racing "Classic" Thunder Racing Cams from Thunder Racing

Texas Speed
25-220R
220/220 @ .050 .581/.581 ???° LSA 1200-6200 RPM

Texas Speed 220R 220/220 Sleeper Camshaft

SDPC HT-1
214/218 @ .050 .559/.562 111° LSA

https://sdparts.com/details/scoggin-...er/cc54-st1-11

Trickflow
TFS-30602001
216/220 @ .050 .560/.560 114° LSA 2000-6000 RPM

Trick Flow® Track Max® Hydraulic Roller Camshafts for GM LS: TFS-30602001 - trickflow.com

 

how bout vinci cams like the "butt kicker" 210/218-.551/.551-115lsa
"chopper" 210/218-.551/.551-112lsa

 

Something like those would result in $200 valve springs vs the $50 LS3 springs

And yes the Trailblazer converter was a direct replacement. Made a huge difference in take off.