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Good Evening Guys!
A lot of you know that I am knee deep in "stuff" on Red Velvet. All is going well!
I removed old valve covers to replace, and I noticed these holes in both heads. Both driver's side and passenger's side heads have these holes in them, three holes on both sides. I'm hoping this is normal? If so, can anyone please explain what these holes are for?
Thanks in advance!
Jason D.


A lot of you know that I am knee deep in "stuff" on Red Velvet. All is going well!
I removed old valve covers to replace, and I noticed these holes in both heads. Both driver's side and passenger's side heads have these holes in them, three holes on both sides. I'm hoping this is normal? If so, can anyone please explain what these holes are for?
Thanks in advance!
Jason D.
"You know, we always called each other goodfellas. Like you'd say to somebody: You're gonna like this guy, he's all right. He's a goodfella. He's one of us. You understand?"


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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 22714
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/
Am-Fm/map light National/Regional/Chapter NCRS "Top Flight"
#2-1985 Bright Red/Carmine Cp.L-98/auto
Member: NCRS, NCRS Texas, Corvette Legends of Texas
Nothing to worry aboot...just normal casting "flaws", where the sand molds weren't cleaned very well between casts. Those holes are normally a lot cleaner in appearance, but they present no issues at all....just look bad.

Joel Adams
C3VR Lifetime Member #56
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"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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in Forum: C3 Engines, Driveline and Handling
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