more power for a 5.3
This is a discussion on more power for a 5.3 within the General Help forums, part of the LSx Technical Help Section category; i need more power for my 5.3 silverado. it's a 2000. i already have the volant intake, and flowmaster exhaust. ...
11-13-2006, 11:14 AM #1
more power for a 5.3
i need more power for my 5.3 silverado. it's a 2000. i already have the volant intake, and flowmaster exhaust. i don't want to waste money on a MAF or TB spacer. what is something that will be useful and noticeable on a budget.
also - my truck is equipped with the secondary air pump to the left of the motor. can i remove this if so how. and if i do is there any benefit other than more appeal when i look under the hood and don't have to see the bundle of crap over there.
11-13-2006, 01:08 PM #2
Electric fan...LS6 camshaft
11-13-2006, 06:36 PM #3
there's alot you can do. how far do you want to go into the motor?
11-13-2006, 09:26 PM #4
well... for now no further inside the motor than a cam and maybe rockers... bolt -ons are open game. i really would like some info on interchangeable parts from the LS1's and 6's. i plan on taking a cam from the LS6 for as i've been told that with the mods i have done now it'll gain 50 rwhp. minus the fact that i still need the pcm tuned... plus i really want to get my hands on some electric fans. i'm also up to ideas as i'm sure there are plenty of things i'm not thinking of.
-- anyone know how the "corvette" servo in my 4L60E will benefit my truck?
11-13-2006, 09:29 PM #5
i looked at nelson performance for the pcm... it looks like not too bad a deal for the whole pcm thank you for the reference
11-13-2006, 10:26 PM #6
You'll see a good gain but I doubt you'll see 50rwhp gain with a ls6 cam....since you're going to do a cam swap might as well make it count and get a custom cam.
Here's the specs on the ls6 cam...
2001 LS6 cam
207/217 int/exh @ 0.05" duration
0.525" / 0.525" int/exh lift
2002+ LS6 cam
204/218 int/exh @ 0.05" duration
0.551" / 0.547" int/exh lift
Also you'll see better gains if you ditch the chambered flowmaster and get a straight-through muffler like magnaflow. Like the other said, a tune will really help also.
11-14-2006, 05:15 AM #7
11-14-2006, 07:22 AM #8
- Join Date
- Nov 2005
- 2000 CAMARO SS #3821
underdrive pulley and port/polish t.b. cheap and easy gains.
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