Knee deep into my Head / Cam install...
Surprisingly, the installation of everything went very well, and it wasn't as scary as I thought. LS1howto.com's instructions walk you through every last step. They cannot, however, save you from your own stupid mistakes. Fortunately, they make tools that can though...
I'll be back with a sound clip once I get her up and running Monday or Tuesday (hopefully).
1. Seal your knock sensors w/ red RTV so you can hose off your motor w/o worry of water intrusion.
For the crank pully:
1. Use a little anti-seaze on the crank snout to help it get started
2. Get the pulley install tool from LS1tech to make it ultra easy
3. Key the pulley so you don't have to ever worry about it backing out
(GMs superhuman torque values and odd procedure is simply b/c they're using an interference fit, once key'd the pulley can never rotate off)
4. Use loc-tite one pulley bolt
I put my cam in a few months back... wasnt' too bad at all
Update: the broken bolt has been removed, and Fred Beans is overnighting me a bolt to arrive tomorrow. In other news, the brackets that came with my LG Street series headers were not working well; the first one stripped out on me. When I called LG to ask them how hard to torque them down, they told me the ones they sent are pretty chincy, and they insisted on sending me a full set of their race series brackets. They are supposed to be here tomorrow. That's pretty good customer service, although, I wonder why they are sending out the chincy ones to begin with. I have four of the six brackets attached. Depending on how they hold up, I may or may not replace them with the new ones.
My tentative schedule as of now is to get the fluid levels ready tonight, and be ready to put the valve cover on tomorrow night. I'm keeping my fingers crossed that my neighbors will be assaulted with the roar of a beast in the latter hours of the evening tomorrow night...
Prior to this, I hadn't really done much wrenching on this, or any car. I can blame the cam retainer plate incident on a crappy torque wrench, but the latest debacle was a pure brain fart.
The Best of Corvette for Corvette Enthusiasts
Good luck


Prior to this, I hadn't really done much wrenching on this, or any car. I can blame the cam retainer plate incident on a crappy torque wrench, but the latest debacle was a pure brain fart. 
Do you *really* need valve covers to fire it up? 
Anyway, fantastic write-up, very inspiring! I'm up for doing my H/C in the summer.
You've come a long way with this project kilrb, jumped some very high unexpected hurdles, and pretty much blurred the "green mechanic" title you had given yourself. Great job! Once you get everything ironed out, it's going to feel like a totally different car!I was amazed that it started up so quickly and idled without any issues. A definite sigh of relief! Don't sweat the "sewing machine" effect, every H/C car I've been around has it. It's also more pronounced when the car is sitting in a garage, where the sound can echo around. Once you get it outside that sound will be diminished.
As for the oil pressure issue, my past experience (and I'm no expert by any means) with LSx cam swaps leads me to believe it's the o-ring issue. Given the pressure sender reported ~40psi for a few seconds at initial startup, I believe the oil sender is not the culprit. You didn't have to shim your oil pump for the new timing chain assembly, so there's no worry about a shim being reversed and partially obscuring the pump output port.
If you end up tearing back into it, let me know and I'll lend a hand. I know how frustrating issues like this can be, and having help can make all the difference.
Keep us posted!
My buddy Joe (HPADDICT) ported his own LS4 pump... had fine pressure at startup, but as he was driving the pressure started to fall.
He ended up putting a new untouched LS4 pump in and a new o-ring... now all is well.
That damn o-ring and putting my LS4 pump is was the most nerve racking part of the whole process.
Good luck... but really all you can do is start taking the front end apart and re-do the o-ring.












