Anyone regret switching to 3.07 axles?
#16
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Join Date: Aug 2006
Location: Cresson/Stephenville Texas
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I have stock spring still, and its really not that bad into 3rd...just rev it out a little higher in 2nd and then throw it and go. I love this combo. I do wanna step up to a G56 though.
#17
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Join Date: Sep 2006
Location: terre haute IN.
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I have 307's,35in tire's and a getrag.I love it no problem getting it to move just stick it in 2nd and let out on the clutch,heck I have even took off in 3rd at an idle though i dont realy recomend it. Pulling a 18' car trailer and my jeep cherokee my truck dont even know it back there,just made a 120 mile trip with my jeep in tow average 70 to 75mph no problems at all,could take off fast from a dead stop than my buddy could in his 2nd gen with a nv4500 and his jeep in tow.
#20
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Ive had both 3.08 & 3.54 gears in my 91 1ton the 3.54 gears were very good for pulling & bottom end take off but took approx 2-3 mpg off. I now have the 3.08 back in & my mileage is between 18&20 I do pull a toy trailer with a unloaded weight of 11,400 & it pulls good with either set of gears just a little slower with the 3.08 but also iam right at 300hp with a 727 3 speed
#21
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I'm happy with my 3.07 gears. Cruises nice and quiet all day long at 70-75 mph. I tow a car trailer from time to time with no problems. If your just driving around an empty truck alot they are perfect I think. I start in second gear all the time. However if you plan on towing over 8000lbs alot you may be happier with the 3.54's.
#23
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Join Date: Jul 2008
Location: Goshen, Ky
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Nope, the OD tranny doesn't have anymore problems than a 727. It is basically a 727 with overdrive, so if overdrive goes out, then you have a 727.
#24
Going to 3.07 with stock tires is nothing like going to 35" balloon tires for higher gearing. You are adding rotational mass, wider tread, lower psi, more contact/surface patch. etc. 3.07 and getrag is an amazing combo for all uses within GVR
#27
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Join Date: Dec 2007
Location: Stella Missouri
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I was going to put the getrag in my truck with the 3.07's in it but I ended up wondering if I could ever back a trailer at all considering that reverse in the getrag with 3.54's was about a little to high in my opinion anyway. You guys that love the 3.07's and the getrag, what is reverse like?
#28
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do you have a 4X4? If you leave the hubs unlocked you can put em in 4 Low, and you can back up a trailer all day long. I do that with my 3.54's. It works great, never have to slip the clutch. -- try doing that in a 2nd or 3rd gen. lol
#30
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While my auto trans was still in my truck. It was faster and towed better. The 3.54s made my 727 shift very quick and I felt like I wasn't using all my power.
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