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09-11-2011, 10:05 PM
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#1 |
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Registered User
Join Date: Aug 2010
Location: Pikeville NC
Posts: 239
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wierd.roaring noise
Finally got truck all back together. But now. When you drive it I. Get a roaring noise. It is not tires because it.only.does it when I am pushing gas pedal. Not in it don't do it.when it is coasting or in nuetral. Is it just because it is lifted so big. If it is normal. Ok. But does not sound right to me. Any help is great
6 inch lift and 37 inch tires. K20 I did change. Diff gear oil in front and rear Posted via Mobile Device |
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09-11-2011, 10:24 PM
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#2 |
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Grease Monkey
Join Date: Oct 2007
Location: Fresno CA
Posts: 750
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Re: wierd.roaring noise
You just finished lifting the truck? I'd take a look at your drivelines. Normally driveline will make noise during coasting or deceleration, but if you pinion angles are to aggressive then that might cause it. Anyone else have any ideas?
__________________
Tow Rig: 2012 Chevy 2500HD CCSB LTZ Z71 4x4 Duramax Ultimate Offroad Build: 1978 Chevy Silverado K30 Crewcab Build Link http://67-72chevytrucks.com/vboard/s...d.php?t=654053 Mud Truck: 1972 Chevy Cheyenne K30 4x4, 468/400/205, D60/D70HD, 18" Custom Lift, 17x39" IROKs FOR SALE http://67-72chevytrucks.com/vboard/c...ton-4x4&cat=12 |
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09-11-2011, 10:43 PM
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#3 |
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Registered User
Join Date: Aug 2010
Location: Pikeville NC
Posts: 239
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Re: wierd.roaring noise
Truck was lifted when I got it. Almost sounds like tranny
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09-11-2011, 10:45 PM
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#4 |
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Grease Monkey
Join Date: Oct 2007
Location: Fresno CA
Posts: 750
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Re: wierd.roaring noise
What type of trans and tcase do you have? I would think its the tcase. What did you finish putting back together?
__________________
Tow Rig: 2012 Chevy 2500HD CCSB LTZ Z71 4x4 Duramax Ultimate Offroad Build: 1978 Chevy Silverado K30 Crewcab Build Link http://67-72chevytrucks.com/vboard/s...d.php?t=654053 Mud Truck: 1972 Chevy Cheyenne K30 4x4, 468/400/205, D60/D70HD, 18" Custom Lift, 17x39" IROKs FOR SALE http://67-72chevytrucks.com/vboard/c...ton-4x4&cat=12 |
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09-12-2011, 12:18 AM
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#5 |
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20' Daredevil (Ret)
 
Join Date: May 2003
Location: Jefferson State
Posts: 13,722
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Re: wierd.roaring noise
Could it possibly be roar of air from a clutch fan that has failed & locked up (engaged all the time)?
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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10-29-2012, 04:42 PM
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#6 |
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Registered User
Join Date: Feb 2009
Location: Wausau, WI
Posts: 975
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Re: wierd.roaring noise
did you ever figure this out having a similar problem with my truck just got it lifted 4'' and it is making a similar noise only on deceleration
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Smoking Tires Since 1992 1969 c10 AKA SIN 1985 SSWB TRAZER (super short wheel base) |
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10-29-2012, 07:29 PM
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#7 |
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Registered User
Join Date: Dec 2011
Location: Regina, SK, Canada
Posts: 622
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Re: wierd.roaring noise
Fan hitting the shroud?
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1979 Chevy Dually Crew 4X4 454, D60 Tru-trac, D70 Detroit Locker, 3.73, 4L80E/NP205 1971 GMC 3/4 Ton 4X4 |
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10-29-2012, 08:39 PM
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#8 |
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Registered User
Join Date: Feb 2009
Location: Wausau, WI
Posts: 975
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Re: wierd.roaring noise
No shroud on my truck currently
Posted via Mobile Device
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Smoking Tires Since 1992 1969 c10 AKA SIN 1985 SSWB TRAZER (super short wheel base) |
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