You will need to reinforce the 1/2 ton chassis to handle the torque from the dmax. I would go the LS swap route myself but if you are set on diesel OBS I would find a clean 2500/3500 for your build. Just my 0.02
Thanks. I actually just sold the RCSB. I have two other trucks and decided to build something a bit different. I have been trying to find a nice 68 Firebird to replace the Silverado :)
http://www.superchevy.com/how-to/148-0208-vortec-heads-valve-lift/
This is basically what I did with the GM Hotcam kit. If there are other parts available that require no machine work I was not aware.
"The larger spring and increased lift figures require opening up the spring-seat diameter...
EDIT: this post was meant for Tall Valve Covers thread. Lol.
Installed motor with LT4 Hotcam. Some small mods are required. I am still sorting a few out but here is what I did to a/c compressor to clear tall valve covers. I took off one corner of the bracket and had to file the housing a little...