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Author
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Topic: dropped valve
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BATTMAN
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Member # 2063
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posted
 
 
What are the symptoms of a dropped valve? I over revved my car and now it sounds like it has a miss in it. It loss power almost like it was running on 7 cylinders. It still has power but not like it did. I can still drive it but it has a slight hesitation to it. I check the plugs and all were good except one. It was wet with oil. Any help would be greatly appreciated.
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3.73 gears,pro 5.0 shifter, hotchkin lca's, 4in hood,75mm MAS, 3core radiator, 1.7rr, cold air kit, 65mm tb, ported e7's, pullies, short belt, long tubes, h-pipe, dynomax exhaust, 95gt 17in rims, 275/40 in back, 245/45 in front
Posts: 45 | From: ANTIOCH | Registered: Nov 2002
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JoeT
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Member # 298
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posted
zero compression in that cylinder
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1984 Ford Tempo AOD--- RIP
Posts: 6785 | From: San Jose | Registered: Jun 2001
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season'd 88
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Member # 169
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posted
quote:
Originally posted by BATTMAN:
What are the symptoms of a dropped valve? I over revved my car and now it sounds like it has a miss in it. It loss power almost like it was running on 7 cylinders. It still has power but not like it did. I can still drive it but it has a slight hesitation to it. I check the plugs and all were good except one. It was wet with oil. Any help would be greatly appreciated.
i dont know about symtoms of a dropped valve, but i can tell you the results of a dropped valve are ugly! to say the least. usually the car will stop running and major breakage like hole in piston,gouged cylinder and combustion chamber for starters.
Posts: 1383 | Registered: Feb 2001
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BATTMAN
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Member # 2063
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posted
what else could it be. I have another set of heads. Will the change solve the problem?
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3.73 gears,pro 5.0 shifter, hotchkin lca's, 4in hood,75mm MAS, 3core radiator, 1.7rr, cold air kit, 65mm tb, ported e7's, pullies, short belt, long tubes, h-pipe, dynomax exhaust, 95gt 17in rims, 275/40 in back, 245/45 in front
Posts: 45 | From: ANTIOCH | Registered: Nov 2002
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Fast472Mach1
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Member # 2559
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if you dropped a valve new heads wont fix it because there is a hole in the cylinder but you didnt drop a valve or else the car would have made really bad sounds
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11.7@116 1.7 60ft. N/A
11.4@124 1.9 60ft. 100NX
Posts: 639 | From: Laguna West | Registered: Mar 2003
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talaposa
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Member # 2460
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posted
Years ago I dropped a valve on a boss 351 at 7400 rpm. Sounded like a machine gun in the engine bay but I still dusted the chevy.
Posts: 91 | From: Auburn,CA | Registered: Feb 2003
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