5.7 Hemi Vs 5.3 Vortec. The 5.3 is also a reg cab shortbed z71 auto but has 4.10s. The 5.7 is the old small block chevy engine.
5.7 Hemi Vs 5.3 Vortec - "Rematch" (Part 2) - Youtube from www.youtube.com
The 5.7 was around for some time.basically the updated 350 with better mileage. Stock for stock the 5.3 is faster at racing. The 5.3 is based on the ls series while the 5.7 is a 1st gen block.
The 5.3 Vortec And The 5.7 Vortec Are Two Different Engines.
And in a worst case scenario, 5.3s are in a lot of vehicles, low mileage used replacements can be had fairly cheap. The 5.7 was around for some time.basically the updated 350 with better mileage. This is not the same as the 5.3 (325) but completely different.
It Is Very Similar To The '97.
Not only do you have a ton of mods, but that 93 octane tune ensures that you will beat a basically stock 5.3. What year did the chevy vortec engine come out? We have a 2003 suburban with the 5.3 and it has plenty of power, gets about 15mpg, still runs great at 212k miles.
The 5.7 Is The Old Small Block Chevy Engine.
Maybe the 6.0 or 8.1 chevy engines. And oh did the vortec vs hemi. Sure the 5.7 vortec might have a lil better lowend, so yeah if you hooked up 8000 pound trailers then it will.
The Only 5.7 Ls1 Derived Engine Is The Ls1 And Ls6 (346) And They Are Not Used In Trucks.
Vortec is a trademark that is on a line of piston engines for gm trucks. Advanced search cancel login / join. 2006 qc 2500, swb, 5.9 ctd 325hp/610tq (stock.
I’ve Heard The Argument “Yeah.
Having a highway axle (3.23 or 3.55.i think) are more for lighter loads, less need for torque, highway cruiser, level roads. The 5.3 has a broader rpm range than the 5.7s had, hence the horsepowere & torque ratings at higher rpms than the 5.7. The 5.3 and the 6.0 are completely different motors, a lot of new technology, roller cams, and make more power and get better mileage than the old sbc.
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