Holley headers and mounts

Anubis

Anubis

Royal Smart Person
Mar 30, 2012
1,561
755
83
#23
You should have ZERO fitment issues with headers as the Gen3 LS based engines have the knock sensors in the intake valley, and not in the heads. The wiring connects both, and when intake is on they disappear.
Nice set up. Is the JIC 90° fitting on your valley cover your turbo return?
 
Injectedcutty

Injectedcutty

Comic Book Super Hero
Nov 24, 2014
3,036
7,007
113
Louisville, KY
#24
Nice set up. Is the JIC 90° fitting on your valley cover your turbo return?
Nope, courtesy of MotorheadMike's knowledge of the LS platform, that is the cheap man's LS6 PCV/blowby system.
 
Northernregal

Northernregal

Master Mechanic
Oct 24, 2017
497
1,379
93
Red Deer AB
#25
I was talking about the knock sensors hitting the front crossmember (where the engine mounts are). If they don't hit, they'll be a mf'er to change!
Gotcha. I'll get a pic today. I don't think it'll be that tight by the motor mounts.
 

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