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05-07-2006, 06:14 PM
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#1 |
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Senior Member
Join Date: Aug 2005
Location: Greenwell Springs, Louisiana
Posts: 2,882
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4 speed tranny
My 61 4x4 has a 4 speed trans, it whines really loud while driving. Is this normal, I know its an old truck but its pretty loud. What do yall think? Jeremy
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05-07-2006, 07:38 PM
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#2 |
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Senior Member
Join Date: May 2004
Location: Binghamton, NY
Posts: 3,469
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Re: 4 speed tranny
I believe all SM-420s were loud like that. I actually have ever owned not even 4-5 stick vehicles, so I might just be talking out my a....
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2000 GMC CCSB 454/4L80 6” lift SAS 1999 Chevy CCSB 454/NV4500 4” SAS 1999 GMC Yukon 350/4L60 6" SAS |
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05-07-2006, 07:54 PM
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#3 |
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Senior Member
Join Date: Aug 2005
Location: Greenwell Springs, Louisiana
Posts: 2,882
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Re: 4 speed tranny
I had a 63 4x4 and I cant remember if it was that loud or not. plus I have all the carpet and sound deadner out of the truck for repainting, so that could be why its louder too!
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05-07-2006, 08:22 PM
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#4 |
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Cantankerous Geezer
Join Date: Aug 2002
Location: Bel Aire, KS
Posts: 6,264
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Re: 4 speed tranny
It shouldn't be real loud. I would guess someone ran it without lube. It will probably run a long time, as long as you don't mind the noise.
__________________
Fred There is no such thing as too much cam...just not enough engine. 
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05-07-2006, 08:36 PM
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#5 |
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Senior Member
Join Date: Aug 2005
Location: Greenwell Springs, Louisiana
Posts: 2,882
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Re: 4 speed tranny
I was thinking about going to an auto turbo 350. I have the divorced rockwell, could I put in the auto and get a drive shaft shop to make the new shaft to the rockwell?
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05-09-2006, 07:51 AM
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#6 |
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Registered User
Join Date: Mar 2003
Location: Northern Illinois
Posts: 2,181
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Re: 4 speed tranny
Personally I like driving the old rock boxes. My 60 has the 420, and my 71 blazer has the 465. I'd recommend keeping it
 If you DO decide to change, most people would say that the TH350 was a crazy choice when you could go to the 700r4 and get an overdrive. Brian |
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05-13-2006, 09:21 AM
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#7 |
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Senior Member
Join Date: Aug 2005
Location: Greenwell Springs, Louisiana
Posts: 2,882
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Re: 4 speed tranny
Yea the overdrive would be nice, and I also like the 4- speed what to do??????????
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05-13-2006, 09:18 PM
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#8 |
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Registered User
Join Date: Mar 2003
Location: Northern Illinois
Posts: 2,181
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Re: 4 speed tranny
The 4x4 is not a divorced transer case, right?
You might be able to get a gear vendors overdrive in there if it's divorced. Brian |
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05-14-2006, 09:09 AM
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#9 |
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Registered User
  
Join Date: Feb 2004
Location: Williamsburg, Ohio
Posts: 1,807
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Re: 4 speed tranny
GV's are pricey but I did have one mated to my 350 turbo with attached NP205. I would suggest if you cannot live with what you have -- find a 700 R4 with a NP208. Probably drive shafts would need some mods besides the mounts. Then again I do not own a 61 to know for sure.
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