hard shifting with a nv4500 and a DD clutch
02-08-2008, 06:33 PM
#16
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bluemanthauls is who rebuilt my 4500 and the 5600 (twice, messed up a syncro the first time). I know dan at quad4x4 and monty at bluemanthauls said to over fill the 5600 by 1quart. I dont think I actually ever asked them about the 4500.
02-08-2008, 07:09 PM
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I Just Had My Tranny Rebuilt By All Standard Trns In Indianapolis And They Too Told Me To Put An Extra Quart Of Fluid In. For There Warranty, I Have To Run Either Amsoil Synchromesh Or Valvoline 5w30 Full Synthetic Motor Oil. The Factory Oil Is Also Ok But Alot More Expensive. Whatever You Run Needs To Be Thin Enough For The Synchros To Properly Mesh.
02-08-2008, 07:16 PM
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I Just Had My Tranny Rebuilt By All Standard Trns In Indianapolis And They Too Told Me To Put An Extra Quart Of Fluid In. For There Warranty, I Have To Run Either Amsoil Synchromesh Or Valvoline 5w30 Full Synthetic Motor Oil. The Factory Oil Is Also Ok But Alot More Expensive. Whatever You Run Needs To Be Thin Enough For The Synchros To Properly Mesh.
02-08-2008, 07:27 PM
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Actually I Run The Valvoline And My Brother Runs The Amsoil In His 97 With New Tranny From Same People. We Cant Tell Hardly Any Difference Between The Two. He Runs The Sbc 3800 Ceramic Dd. I Run The Valvoline Because You Can Get It At Any Auto Zone. Hopefully I Wouldnt Have Any Problems, But If I Did, I Could Pick Some Up Easily. By The Way You Are Correct,the Amsoil Synchromesh Is For The 5600. I Goofed That Up. I Cant Remember What His Amsoil Actually Is. Sorry About That.
02-08-2008, 07:42 PM
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02-08-2008, 10:23 PM
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I Have Drove Quite A Few Double Disk Clutches And None Of Them Are As Good As A Single. But There Are Differences That Can Make Them Much Easier. Mostly It Is Little Things That You Probably Couldn't Even See. Such As Minor Warpage In Friction Disc Or Not Properly Adjusted Pp Fingers Or Even Sometimes The Rivets Ar Not Perfectly Seated Holding The Button Up Just A Tad. Attention To Detail On These Clutches Is Very Important. I Would Recommend Powerparts Enginerring. Terry Builds Awseome Clutches And Is A Hell Of A Guy To Deal With.
02-08-2008, 10:27 PM
#23
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Valvoline is not GL-5 rated, meaning it will eat your synchros over time. 1yr warranty is not hard to back up with any oil. If you plan on your tranny running another 150K, you better put syntorq or an equivalent in there that does not eat brass!
I overfilled my NV4500 and it shifted a little better. I lost my first one while towing and my roadside tranny builder said it looked like it quit oiling for some reason, but he also said it looked full. Anyway, I now run 5qts and it seems to shift a little better. And of course I have the peace of mind knowing that it is lubing properly.
I overfilled my NV4500 and it shifted a little better. I lost my first one while towing and my roadside tranny builder said it looked like it quit oiling for some reason, but he also said it looked full. Anyway, I now run 5qts and it seems to shift a little better. And of course I have the peace of mind knowing that it is lubing properly.
02-08-2008, 10:46 PM
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02-08-2008, 11:01 PM
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BigBlue24, the NV4500 spec is a synthetic GL-4 rated oil must be GL-4........the 5600 is a regular GL-5.
valvoline Duragear is 75w85 GL-4 synthetic
Penzoil http://www.pzlqs.com/Tech/Pdsheet/Do...E75W90GL-4.PDF
from http://www.allpar.com/fix/gear-oil.html
valvoline Duragear is 75w85 GL-4 synthetic
Penzoil http://www.pzlqs.com/Tech/Pdsheet/Do...E75W90GL-4.PDF
So, the NV4500 is a given; use any high quality 75W85 GL-4 Synthetic Gear Oil. Items such as Mobil 1 Synthetic, Castrol Syntorq, or Valvoline Synpower will all do the job nicely. But be warned, the spec is for GL-4 lubricant, NOT the commonly available GL-5 that we've all been using in our front and rear axles these past few years.
API (American Petroleum Institute Classification) GL-4 (Gear Lubricant-4) contains about half the additives of GL-5. Higher concentration of Extreme Pressure additives in GL-5 gear oils may cause the softer metals, such as copper, brass and bronze – which make up the shift synchronizers of a manual transmission - to suffer premature wear / failure. So, stick with the specified GL-4 classification, in any of your favorite synthetic brands.
API (American Petroleum Institute Classification) GL-4 (Gear Lubricant-4) contains about half the additives of GL-5. Higher concentration of Extreme Pressure additives in GL-5 gear oils may cause the softer metals, such as copper, brass and bronze – which make up the shift synchronizers of a manual transmission - to suffer premature wear / failure. So, stick with the specified GL-4 classification, in any of your favorite synthetic brands.
02-08-2008, 11:32 PM
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yes the 4500 requires GL-4 rated oil. the sulfer and phosferus in Gl-5 oils can attack some of the materials used in the 4500.
02-09-2008, 07:13 AM
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02-09-2008, 11:54 PM
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1-5-3-6-2-4; Thanks For The Input On The Specs Of The Oil. I Was Just Putting In What I Was Told To Run. C Captain; I'm Sure Yours Can Be Rebuilt. I Just Had Terry Redo My Clutch Do To The Things That I Do With It. My Brother Runs The Sbc Dual Disc And It Is Fine Too. I M Not Trying To Adveritise For Terry, I Am Just A Satisfied Customer.
02-10-2008, 11:31 AM
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1-5-3-6-2-4; Thanks For The Input On The Specs Of The Oil. I Was Just Putting In What I Was Told To Run. C Captain; I'm Sure Yours Can Be Rebuilt. I Just Had Terry Redo My Clutch Do To The Things That I Do With It. My Brother Runs The Sbc Dual Disc And It Is Fine Too. I M Not Trying To Adveritise For Terry, I Am Just A Satisfied Customer.
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