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02-11-2004, 12:14 PM
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#1 |
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No, U Da Man!
Join Date: Mar 2001
Location: Southaven, MS
Posts: 284
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puzzled?
Engine is missing or sounds an acts like a burnt valve? Compression test shows 120 all cylinders, timing is good, plugs good, new plug wires, seems to smoth out after take off? I hear a popping noise when taking off too, sounds like it's coming from exhaust system. Vacuum gauge shows a constant bounce between 15-20 at idle. I removed intake, installed new gaskets cking for a good seal with a scope all ok. Vacuum gauge still bounces and still missing. Any suggestions?
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(sold ole blue 1972)  1997 Dodge 1500 5.9L 1996 Saturn SL2 1.9L 2002 Mitsubishi Montero 3.0L 2005 Ford Escape 3.0L 1967 Olds Vista Cruiser 330-320HP |
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02-11-2004, 01:24 PM
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#2 |
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Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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I would be looking for a broken valve spring or a worn cam lobe.
Jim |
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02-11-2004, 02:33 PM
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#3 |
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Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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i'd recheck the plug wires for good contact in the cap as well as on the plugs
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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02-11-2004, 02:53 PM
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#4 |
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Registered User
Join Date: Jan 2004
Location: NH
Posts: 2,266
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I remember not to long ago someone else was complaining about popping out of exhaust, turns out he had a busted Valve spring.
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02-11-2004, 03:56 PM
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#5 |
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Registered User
Join Date: Apr 2003
Location: NB
Posts: 3,367
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Carb Adj???
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1968 Chevy C10 307 3ott fleetside 1967 Chevy C/10 V8, 3spd, fleetside lwb.Sold 1967 Chev C/10 step, 383, M21. SOLD |
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02-11-2004, 06:00 PM
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#6 |
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1FINE69
Join Date: Aug 2003
Location: Detroit, Michigan
Posts: 239
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I'd go withthe bad valve spring too, since I just had this happen to me about 3 -4 months ago. Replaced the bad spring and pushrod that was bent , and everything seems good no backfire or misses.
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Had a 69 swb fleetside 350zz3 w 400turbo trans oak lined bed with rhino coated sides red exterior. SOLD |
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02-14-2004, 08:29 PM
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#7 |
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No, U Da Man!
Join Date: Mar 2001
Location: Southaven, MS
Posts: 284
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Sorry for taking so long to reply, been working alot. I think I'll ck the valve springs. Thanks for all the replies. I'll let ya'll know what I find.
__________________
(sold ole blue 1972) 1997 Dodge 1500 5.9L 1996 Saturn SL2 1.9L 2002 Mitsubishi Montero 3.0L 2005 Ford Escape 3.0L 1967 Olds Vista Cruiser 330-320HP |
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02-14-2004, 08:30 PM
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#8 |
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Designated A-hole!
Join Date: Mar 2003
Location: South Mississippi
Posts: 36,448
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Don't forget to check exhaust manifold for cracks.
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"If it ain't broke, fix it 'til it is!" Being stupid ain't illegal.  We're Still Debt Free Except for the House!!! www.daveramsey.com 70 GMC SWB Stepside project "Green Booger" soon to be 6.0l/4l80e 93 S-10 "Poppaw's Truck" |
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