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Former Member
Send PMMounds View, MN - USA
Joined: 5/24/2007
Posts: 1034
Vette(s): 70 LT1 coupe, 69 350 HP coupe, 69 390HP 427 coupe, 71 LS5 convert, 85 coupe, 93 coupe
In my humble opinion:
Joel is absolutely right. If the problem is in the valves, you wouldn't be pressurizing the crankcase and valve covers. The only way for that to happen is past a piston, either the rings or a hole in the top.
My sympathies!
Larry
Joel is absolutely right. If the problem is in the valves, you wouldn't be pressurizing the crankcase and valve covers. The only way for that to happen is past a piston, either the rings or a hole in the top.
My sympathies!
Larry
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 22720
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
Here's the pics of Scott's head, and pistons...ya'll take a look, and see if ya'll see something. I think he's gonna be looking at a broken ring land under the top ring, but won't know until he gets the piston popped out of the block. He's out of town for a week, so he'll get the rest of the scoop when he returns...
Click for link
Looks like we have a square port intake on oval port heads..doubt that that is the problem, but it's about the only thing I've seen at this point, that is out of place...Adams' Apple 2008-03-09 18:13:25
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Looks like we have a square port intake on oval port heads..doubt that that is the problem, but it's about the only thing I've seen at this point, that is out of place...
Joel Adams
C3VR Lifetime Member #56 
My Link 
(click for Texas-sized view!) NCRS
"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 22720
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
I've just added one more pic...Ken took a look at the pics, and wondered if this may be a small crack in the top of the piston.
Click
ClickJoel Adams
C3VR Lifetime Member #56
My Link
(click for Texas-sized view!) NCRS
"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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