5.3 vortec engine upgrades
08-31-2024, 04:11 PM
#1
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5.3 vortec engine upgrades
Looking at putting in a stage 2 cam kit. I was wondering if anyone knows if i will have to get the ecm or tcm reprogrammed?
The following 3 users liked this post by FFDP:
09-03-2024, 08:07 AM
#5
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Never look at the cam bearings.
09-03-2024, 09:49 AM
#6
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Is the engine out of the truck?
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09-03-2024, 09:11 PM
#8
What axle gear (or gears - 2WD or 4WD) are you running?
Too many GMT800s with 3.23 3.42 or 3.73, get engine mods instead of upgrading to 4.10.
Too many GMT900s with 3.08 or 3.23, get engine mods instead of upgrading to 3.73.
Too many GMT800s with 3.23 3.42 or 3.73, get engine mods instead of upgrading to 4.10.
Too many GMT900s with 3.08 or 3.23, get engine mods instead of upgrading to 3.73.
09-04-2024, 07:50 AM
#9
TECH Veteran
Imo GMT800s don't need 4.10s. I've really liked my 3.73s...
GMT900s definitely need gear.
GMT900s definitely need gear.
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