The results will shock you so be sure to read our Vortec 5.3L Big Bang in issue 13 of Truckin Magazine. How much boost will a stock 5.3L short-block withstand before the proverbial Big Bang and what is the resulting power output? The web is chock-full of speculation, ranging from absurd to...
Jun 06, 2002 · I thought we were talking about a 5.7 not a 5.3 The 245 numbers are actual dyno numbers on a stock engine, not advertised GM figures. Depending on small factors (air temp, fuel quality etc) these will vary, but those are the numbers +/- 5hp depending on the day of the week.
We're starting with a high-mileage 5.3L Vortec that we got on the cheap. Our goal: make as much ... Chevy Tahoe Vortec 5. 7 upper intake sneak peek more video coming for the put together. Vortec 8100: Everything You Want to Know | Specs and More.
Oct 01, 2018 · Answered October 1, 2018. realistically..meaning that one u will prolly find on craigslist…is gonna make around. 225 horsepower. 315 torque. at peak these truck are uaully pretty beat with clogged air filters messed up vaccum lines,running out of oil, and just overall ran really hard. but they still pull hard regardless.
LOL I need this too for a 2008, which I would assume is the same torque specs.....looks like we will be doing this close to the same time just miles apart. Re: In need or Torque setting Chart, 4.8l, 5.3l silverado 20
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By the time this version of the engine was phased out, it was able to achieve 195 horsepower at 4600 RPM and 260 lb-ft of torque at 2800 RPM. This is not an overwhelming amount of power, but is in line for a 4.3 liter, 262 cubic inch engine.
Has anybody ever done a 5.3 vortec swap in one of these trucks? I have a 2003 supercrew 2wd 4.6 that has some top end noise that is gonna get replaced soon. The #5 cylinder has blown the plug out twice now and if it does it again it won't be...