You definitely need to get your setup capable of 20 psi, and then see how you like that Holset. I was around 32-33 psi on my old hx-35, and it was a total blast

Pull out one of your lifters. If they are, in fact, regrinds, then a shim would have to be placed under the lifter to give you the lift that they are advertising.

A couple tips, I usually drill out the heads of the 5 screws on the bottom portion of the T/b, (just use a bit larger than the threaded portion, and they will come right off) and then they will turn out easy with a pair of pliers. Take the lower section to the hardware and get the same thread...

Meth injection is pretty much a poor man's race gas. You want cheaper fuel, but you want high boost and big power. I run it, and I like what it has done to my spool up in terms of adding timing back, and I can run higher boost, but if I had better fuel available, I would go that route in a...

You should look for some casting numbers on the housings and research what you have, but if that is a 7 blade hx35, they are pretty easy to make respectable power with, and reliable, assuming the oiling setup is within holset specs. On top of that, being that you can get bolt on housings pretty...