Stage 2.5 5.3L PRC heads + MS3 Cam; Fuel Injectors

[first01SS]

Its tax time, and I'm blowing it on Stage 2.5 5.3L PRC heads and an MS3 cam kit from Texas Speed. I've got a stock LS1, and I'm looking to push the maximum amount of HP from a head+cam combo. I'm not sure which fuel injectors (and fuel pump) i need to really need to safely run this daily driver with 100 hp shot of occasional nitrous. Also, i have stock Z28 exhaust manifolds with a single 3" QTP cut out at the Y pipe. Please help a novice out.. I want to buy today. Anticipation is killing me.

[Midnight02]

Is your shot of N2O wet or dry?

If it's a wet kit, you should be good -- the stock 01 - 02 injectors are typically good to 465 N/A rwhp. If it's a dry kit, a quality 42lb injector should do the trick and I'm a big fan of the Racetronix fuel pump + the hotwire kit. The Racetronix kit is a little pricey compared to a Walbro, however I like having a consistent 64 pounds of pressure at the rail.

Although I'm a little biased, I absolutely love the Stage 2.5 5.3L heads. The MS3 cam is a proven performer, so it should make for a good combo (as long as there's sufficient PTV clearance). The heads are great down low and the cam screams up top, so you should pull pretty hard throughout the powerband.

[jmatt07]

im about to buy the 5.3l heads as well and a 228 cam from texas speed. i was recommended by many of the guys on this site that it is better to put headers and at least an ls6 intake to get the full potential of a cam. i bought a 85mm intake from bbk for $400 and pacesetter long tubes and ory coated for $479. the lt's are on texas-speed on sale, i couldnt find them any cheaper anywhere else.

[first01SS]

I don't want to run the stock injectors at 100%+ all the time. I'd rather get injectors compatible with my stock ECU that will last... i just don't know what to pick. The Racetronix kit is an excellent idea, and that sounds like a winner to me; especially since i have a wet plate kit from HSW.