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Cam Specs for 5.3 L83 Engine

Cam Specs for 5.3 L83 Engine

Postby VaBchSilvey [OP] » Jan 08 2015, 10:28pm

I'm looking for the cam specs for my L83, P/N - 12619823.

I know what it is for the L86/LT1 6.2 engines since they share the same P/N.
12629512

.551/.524 1.8:1 Rockers
200*/207* LSA 116.5

I've searched everywhere and can't believe this information is unavailable.
2014 Blue Granite Silverado LTZ 4x4 Crew
HP Tuners DOD,TM, Limiters deleted, Airraid Jr CAI,
Kooks 1 7/8" headers, 3.42 G80 12 Bolt 9.5, Bilstein 5100's
6L80e PML Pan and Bypass Delete, "HP Catch Can"



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Re: Cam Specs for 5.3 L83 Engine

Postby VaBchSilvey [OP] » Feb 24 2015, 12:53am

This is a best guess of the cam specs, but the part number below shows no cam specs for the L83:

5.3L (L83) - 12657207

Camshaft - 12619823
.500/.492 Lift @ .50
.193/.199 Duration LSA 113
2014 Blue Granite Silverado LTZ 4x4 Crew
HP Tuners DOD,TM, Limiters deleted, Airraid Jr CAI,
Kooks 1 7/8" headers, 3.42 G80 12 Bolt 9.5, Bilstein 5100's
6L80e PML Pan and Bypass Delete, "HP Catch Can"



Angry Old Salt
Original Poster
VaBchSilvey
Firing on 7 cylinders [L1]
Firing on 7 cylinders [L1]
Posts: 70
Topics: 5
Joined: Oct 28 2014, 11:23pm
Years of membership: 6 years of membership6 years of membership6 years of membership6 years of membership6 years of membership6 years of membership
Location: Virginia
Year: 2014
Make/Model: Chevrolet Silverado
Extra Info: LTZ Crew
Group Membership:
Registered users

Re: Cam Specs for 5.3 L83 Engine

Postby MIKE91B » Dec 22 2016, 11:08pm

Too small and LSA sucks. That's all that needs to be said. If you find a way to change the cam without pulling the engine out please let me know. I'll pay money for good ideas. That new oil pump creates some real fun.
2015 Reg cab, 2wd, 5.3l, On3 single turbo, E85 conversion, 4.10 rear gear, and HP Tuner software.
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Re: Cam Specs for 5.3 L83 Engine

Postby truckdad15 » Feb 17 2020, 8:25pm

The engine has to come out to get the cam out of these things??? Sheesh!
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