Straydog954
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Going from a T2070 to a 12 speed and the 5.73’s are too slow so changing diffs out. Swapping a trunnion is prob a pia. so I figured I would swap diffs.
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I was referring as to wether or not the dimensions would be the same from the transmission to the front rear and then from front rear to rear rear,not the axle shafts.
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Are the diff dimensions the same or would I need to modify drive shaft lengths?
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Thank you. I was wanting to add diff locks to my truck while changing my rear axle ratio due to a transmission replacement that has a different final drive ratio. I’m getting a complete cut off so I will have all parts.
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Hi does anybody know if crd 150/151 differentials will bolt directly into crd 92/93 housings ?
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Hi does anybody know how to identify a 44k rear differential when you do not have the truck serial number? Is there anything on the housings or otherwise. I have a Remack tag but the dealer knows nothing from the numbers on it.
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Hello everyone. Can a Crd921 front rear be used in combination with a CRD93 rear rear? Also what is the difference between a CRD93 and CRD931 rear rear ?
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Hello everyone. To go to 350 with this engine is it just turbo and injectors change? Also apparently this engine has an air throttle. Can a mechanical pedal rod be hooked to this inj pump easily?
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Great thanks for the help appreciate it.
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Oh ok. When I took the old one off it had silicone on both sides of the gaskets and I wondered if that was right. Also should bolts be just hand tight is that ok ?
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Hello I’m changing the water pump on my 96 RD. Bought a Pai brand and it came with both gaskets. Just checking to see if Mack rtv silicone is needed on both sides of the gaskets or not? Also any torque spec on the bolts or just hand tight? Thanks in advance
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Looked at a 2013 granite with an mp8. Seemed to start and run good but showed the following fault codes, engine (128) ABS (136) cluster (140) VECU (144). Anybody know what these stand for and is it a costly fix?
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1996 Mack Rd688 300hp loosing prime
Straydog954 replied to Jcamaraza's topic in Engine and Transmission
I had the same problem. The fuel return jumper between the heads was loose on mine Tightened it down and problem solved. I was told to also replace the rubber o rings in it also -
Besides kilometers instead of mph on speedometer, are there any differences in a Mack RD model that was built in the US for export to Canada ? It has camelback suspension which I assume all have the same axle spread. Any other differences?
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Hello can anyone comment good or bad about this engine in terms of reliability, performance or common issues? Was this one of the engines that had bad cams ?
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