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10-19-2002, 06:21 PM
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#1 |
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Project 7dos
Join Date: Aug 2001
Location: Abilene, Texas
Posts: 876
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!!!!!!!!VERY IMPORTANT!!!!!!!
What is the most likely cause of less lift on one intake valve then all the rest. There is only one that is not lifting enough. It is the same cylinder that the rocker arm stud has pulled up before. Is it okay to drive???
ANy ideas Thanks Jason 
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7DOS - 1972 C-10 350/350 Porterbuilt/Accuair 20x8.5/20x10 Ride Low or Die PSSST - Yes it's bagged. 7dos build thread: http://67-72chevytrucks.com/vboard/s...d.php?t=610290 Last edited by chevjayfsd; 10-19-2002 at 06:51 PM. |
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10-19-2002, 06:46 PM
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#2 |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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It sounds like a "rolled" Lobe on the cam. You might check to see that the stud hasnt pulled again, or possibly a bent pushrod. Good luck.....Longhorn
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10-20-2002, 12:09 AM
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#3 |
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Project 7dos
Join Date: Aug 2001
Location: Abilene, Texas
Posts: 876
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ttt
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7DOS - 1972 C-10 350/350 Porterbuilt/Accuair 20x8.5/20x10 Ride Low or Die PSSST - Yes it's bagged. 7dos build thread: http://67-72chevytrucks.com/vboard/s...d.php?t=610290 |
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10-20-2002, 12:17 AM
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#4 |
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Senior Member
Join Date: Dec 2001
Location: Redding,CA...USA
Posts: 4,736
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I think all the questions were answered here http://67-72chevytrucks.com/vboard/s...threadid=27447
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It's called "drag racing" if they called it "tic..tic..WHAM!..BANG! F*&K!!!", they'd have to keep the magazines under the counter with the other men's publications click the clicky to join the site.... http://67-72chevytrucks.com/vboard/payments.php 67 lwb..first hotrod in 25 years..540 best ET is 9.45 @ 141.44 Anderson,CA |
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10-21-2002, 12:04 PM
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#5 |
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Project 7dos
Join Date: Aug 2001
Location: Abilene, Texas
Posts: 876
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ttt
Anyone???
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7DOS - 1972 C-10 350/350 Porterbuilt/Accuair 20x8.5/20x10 Ride Low or Die PSSST - Yes it's bagged. 7dos build thread: http://67-72chevytrucks.com/vboard/s...d.php?t=610290 |
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10-22-2002, 02:01 PM
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#6 |
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Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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It sounds like the cam lobe for that lifter is worn out. Unless the rocker is really loose, then the cam is worn. The engine will run for a long time with the lobe worn out. Afterwhile, the lobe will be worn round and the valve will not open. The engine will miss on that cylinder so you will lose power.
Jim |
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10-23-2002, 12:09 AM
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#7 | |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: !!!!!!!!VERY IMPORTANT!!!!!!!
Quote:
I would limit the driving to a minimum...like, moving it to cut the grass. If it is the stud getting pulled out, things can break and get metal chips in the oil. If it is a cam going flat, then you DO have metal shavings in the oil. |
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