Holley headers and mounts

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Northernregal

Sloppy McRodbender
Oct 24, 2017
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Red Deer, Northern Montana territory
They're going to hit the crossmember.
I disagree. The Holley cross member works perfectly.

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L92 OLDS

Comic Book Super Hero
Mar 30, 2012
2,872
3,050
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West Michigan
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?
 

Northernregal

Sloppy McRodbender
Oct 24, 2017
3,359
12,826
113
Red Deer, Northern Montana territory
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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