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Topic: Hole in the head??

in Forum: C3 Engines

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Hole in the head??

Posted: 10/4/15 3:36pm Message 1 of 2
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Jasond56
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Kenosha, WI - USA
Joined: 5/7/2014
Posts: 154
Vette(s): 1973 Corvette Stingray Coupe VIN 1Z37J3S418986 350 L-48 Automatic T-Tops St. Louis Assembly, 18,986th car built in 1973, Paint = 976 Mille Miglia Red, Interior = 425 Dark Red Vinyl (Ox Blood)
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.





"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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Re: Hole in the head??

Posted: 10/4/15 6:40pm Message 2 of 2
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Adams' Apple
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 20214
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. Thumbs Up


Joel Adams
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"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"

in Forum: C3 Engines


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