2005 Avalanche towing cam advice
#1
2005 Avalanche towing cam advice
I have a 2005 Avalanche z71 with L59 5.3l flex fuel engine and I do a good bit of heavy towing with it and would like do a cam swap that'll help toque in the 1800-3500 rpm range to complement the other mods the truck has so far.
So far I've installed 4.10 gears, 33" all terrains on 18"x9" billet wheels, torsion keys up front, k&n air filter in the factory high flow air box, flowmaster super 40 muffler in the factory 2-7/8" od exhaust, sux trans cooler, all aluminum radiator, engine oil cooler, 1000lb air lift in coil air springs, and full custom tune using my hp tuners setup. The truck runs around 2900 in 3rd and around 2200rpms@70mph in od.
Any suggestions or recommendations?
So far I've installed 4.10 gears, 33" all terrains on 18"x9" billet wheels, torsion keys up front, k&n air filter in the factory high flow air box, flowmaster super 40 muffler in the factory 2-7/8" od exhaust, sux trans cooler, all aluminum radiator, engine oil cooler, 1000lb air lift in coil air springs, and full custom tune using my hp tuners setup. The truck runs around 2900 in 3rd and around 2200rpms@70mph in od.
Any suggestions or recommendations?
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#8
Launching!
Bumping the compression will help with lowend torque. A larger cam will not gain you any Torque below around 2400 RPM. Your stock cam will provide the best lowend torque. A Comp 212/218 lowlift cam will start start showing gains around 2400 Rpm.