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I have a 2000 Z-71 5.3, I have cold air, elec fan, nelson tune. Im in the process of adding Texas Speed Stage 2 heads, 80mil Throttle body, 45lbs injectors, 224 cam, Long tubes, Fully built trans with a 2500 stall. I already have 4.10 gears and a tru-track. What kind of power should I get from all this? I know Ill need a retune. Has any1 done something similar to this? Is 400 WHP possible? And also What am I missing? any sugestions?
You'll want a higher stall converter. I don't think there is a n/a 5.3 over the 400 mark yet. Probably very close though. I'd expect 370 if you have everything working together properly
So you decided to ditch the trinity and shorties? Wow that's a pretty strong about face on the whole thing, but anyways.....Quote:
Originally Posted by bootlife
I would go bigger on the stall. 3200 should be good. I wouldn't waste time on the 80mm throttle body though. I would go with a toss/Nnbs intake with 87/90mm tb if you plan to upgrade in that area. As for power to the wheels I would expect in the neighborhood of 350hp with those mods. Maybe a little more. This combo is one of the most repeated in the truck scene, t there is a reason for that, it's because it works and people end up very happy with what they get.
400 at the motor been there done that, but to the tires not so easy. And youre gonna want a bigger stall with a 224, now you can go 3k and still pull a trailer and off road if you want, I recommend a 3600 but if youre gonna be towing at anytime stick to the 3k in my opinion. I had just about everything a 5.3 could have and never hit 400rwhp on motor closest I got was 370s, had heads 90mm intake and tb etc etc.
yea I don't even like towing with my 3200Quote:
Originally Posted by Botlfed
You could turbo your stock motor and reach your 400hp goal for about the same price if your capable of doing a lot of things yourself.
310-320 rwhp if your lucky
Lol, 4.8 with a cam will get you 310.Quote:
Originally Posted by TXSZ66AVLANCHE
Stock cam in my 05 Silverado makes 338 rwhp...Quote:
Originally Posted by Duct_tape123
Thanks for the info, Im getting the cam and Heads for 1200 installed, I chose that stall with a lil help from Nelson and the shop im getting the stuff from. I plan on driving the truck 500 miles across tx to work 2 times a month. I think if I can get 370 at the Wheels that would be respectable power from the truck and motor combo. Id be happy with that. It will prob leave most trucks at the red light when you want to get in it, so I can live with that.
5.7 > 4.8Quote:
Originally Posted by TXSZ66AVLANCHE
Yes I know lolQuote:
Originally Posted by Duct_tape123
All bs aside a stock 5.3 makes about 220hp to the wheels, if you manage to get 310-330hp from a cam swap call it a good day.
Yes, a stock 5.3 will make 220. Add a tune, and bolt ons and you can get 250+. Add a cam and over 300hp is pretty reasonable to expect.Quote:
Originally Posted by TXSZ66AVLANCHE
37x rwhp i was running 13.0s so yea youll handle most trucks pretty good.Quote:
Originally Posted by bootlife
341 rwhp cam tune and tubes :thumb:Quote:
Originally Posted by TXSZ66AVLANCHE
5.3, LT's, full exhaust, tr220, 2800 stall, built trans, 4.10's got me 330rwhp and 13.6 1/4 mile.
My new iron 5.7 with 11:1 cr with a TSP228 milled 241's and all other mods the same got me down to 13.1. So I'm guessing I'm right around 370-380.
Your planned mods should make it a fun truck.
I hope so, I think after that that's all I'm gonna do to this 1, gonna finish the interior and just enjoy it.
1 more question, With all this done wat u think my MPGs should be? Im getting 16MPG now with AC going at 75MPR tach is sitting at 2300-2400RPM
Should be about the same highway, but you will loose some around town. My best guess 11/16 depending on how you drive.Quote:
Originally Posted by bootlife
What tires/gears do you have? I have 265/75/16 and 4.10s and turn 2100ish at 75. I'm getting around 15 city(under 50 mph in stop and go) with everything but a cam.
315/75/17, There PRO-COMP X-Tream M/Ts
My buddy put down 409rwhp on his 5.3L NA with a very crazy setup but not a very streetable ride though
dam i need to get my truck to the track and dynoed.... haha