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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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#74965 03/18/2007 1:40 PM | Joined: Mar 2006 Posts: 483 Shop Shark | | Shop Shark Joined: Mar 2006 Posts: 483 | 2 years ago driving down road valve drops,hole in head, distroyed piston blown up engine-Problem valve set eat away 350 chevy. New motor-2nd time cam shaft lobe flat, bad valve seat-new cam, rebuilt head 350 chevy. Third time driving down road valve drops-blown engine 350 chevy. Whats up? Is Roush racing making all my chevy motors and part's? Going to have to put in another motor. Any one know of other's having this many problems on one truck? | | |
#74966 03/18/2007 2:25 PM | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 | That is some bad luck. It,s pretty rare a small block drops a valve. I hear there is some problems with cam-lifter wear because the oils don,t have the additives for flat tappet cams since newer cars are using roller tappets. They recommend using deisel oil. I just buy a new Goodwrench engine for all I do. Everything is new & factory built.
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne SuperIn the Gallery Forum | | |
#74967 03/18/2007 3:00 PM | Joined: Mar 2005 Posts: 1,636 'Bolter | | 'Bolter Joined: Mar 2005 Posts: 1,636 | I had a bus load of kids and adults on a Chevy bus with a 350 that dropped a valve 30 miles from home. Engine was running fine, no hint at trouble.
The second I heard the noise I hit the clutch and switch, but it was too late, the damage was already done. There was absolutley no warning this was going to happen. (This was a rebuilt engine that came in the bus) | | |
#74968 03/18/2007 3:49 PM | Joined: Feb 2006 Posts: 112 Member | | Member Joined: Feb 2006 Posts: 112 | who's doing the heads for you..  | | |
#74969 03/19/2007 1:55 AM | Joined: Mar 2006 Posts: 483 Shop Shark | | Shop Shark Joined: Mar 2006 Posts: 483 | 3 different places. 1 new rebuilt long block 2nd set off previous teardown 3rd machine shop. Noticed two engine failures today on NASCAR, valve problems,unleaded gas? come on guys whats up? Going down for 4th engine here shortley. What am I missing? Should I run a 1/2qt. Diesel with tank of gas to keep from knocking seats out? :confused: | | |
#74970 03/19/2007 3:43 AM | Joined: Feb 2006 Posts: 1,867 Shop Shark | | Shop Shark Joined: Feb 2006 Posts: 1,867 | Stop walking under ladders, dont cross the black cats path, and stop breaking mirrors! Thats some seriously bad luck. But thats all Id equate it to. Good luck on the next engine. | | |
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