Can I block off my egr with long tubes

KarateCrotch

Not-quite-so-new-guy
Jul 30, 2020
33
8
California
A little while back I put long tubes on my 305 but I haven’t ran it yet am I able to delete the egr valve and block it off without anything ****ing up
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Bonnewagon

Geezer
Sep 18, 2009
7,947
113
Queens, NY
Yes but watch out for detonation. The EGR equipped engine usually runs a lot more ignition advance without detonating. See what Chevy used for timing before EGR and you will be in the ballpark.
 

Clone TIE Pilot

Comic Book Super Hero
Aug 14, 2011
2,625
113
Galaxy far far away
I'm missing something here: Long tubes vs EGR valve?

There should be no compatibility issues with EGR and headers. SBC EGR valves are fed exhaust from the internal crossover, only issue is with Vortec heads that would require an external exhaust feed line to be installed.
 
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