Hey everyone Im new to this site and have a couple questions. I have a 01 silverado ecsb A4 Z71 5.3, Just installed a procharger P1SC kit. Im maxing about 7 psi. The rest of the truck is stock besides a flowmaster. How much boost can I safely run without probs. I dyno'd today but the speed limiter kept me from accurate readings. I was told the truck is in the high 300 rwhp. range. Anyone running more boost than me with basically stock motor? Any info or suggestions would be great.

 

I cant answer your boost question but I can say Welcome to PT.net

I think you should seriously look at getting your truck 'Tuned" on the dyno. Even if you want to leave the rest of your truck stock, you will notice incredible gains with a good tune.

 

Welcome, I have been running 12 PSI since September on a stock bottom end. I added considerably more low end in February with the top end package. This is a daily driver that is tame at a redlight.....until it turns green.....

 

You should be able to run easily 12lbs. with some 42 or 44lbs. injectors and a good tune. Hey ditch the FMU and get you a good tune, and slap about a 3000 stall with a beefed up trans and you will have one bad ride.

 

Boost + Big Torque Converter = Sex

 

I think my A/F was at 11.49 not sure need to look at dyno sheet. Plus im at 5,280 ft. in Denver, so It's harder for me to the big #'s like most of you other guys . What does a good converter run? What else do I need to tune?

Thanks for you help.

 

I hear ya on the high alitiude. I'm about 2 1/2 hr north of you in WY. We have to make 2+ psi of boost just to get to sea level air pressure.

 

Altitude sucks, but that's why I have a turbo.

 

Since a centrifugal supercharger is like a turbo, but belt driven, can the amount of boost be controlled?? Like with a boost controller or something?

 

No, the boost is controlled via the belt/pulley. Boost comes on linearly vs. rpm.