Ryon Hess

MH613 air filter question

By Ryon Hess, October 21, 2023 in Antique and Classic Mack Trucks General Discussion

Question: 85 Mack t2090 clutch pilot bearing replacement?

By Ryon Hess, August 21, 2023 in Mack Truck Q & A

• Awaiting best answer

Question: New clutch in 85 MH613 with maxitorque. seems aligned right but not going into any gears when turned on? Possible shift linkage not back right?

By Ryon Hess, July 12, 2023 in Mack Truck Q & A

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Question: Kind of weird running E6

By Ryon Hess, May 29, 2023 in Mack Truck Q & A

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Question: Maxitorque T2090 reverse issues

By Ryon Hess, May 26, 2023 in Mack Truck Q & A

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Question: Mack T2090 gearbox leak from cover

By Ryon Hess, May 27, 2023 in Mack Truck Q & A

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Anybody using fuel additives in there older engines

By Ryon Hess, March 28, 2023 in Antique and Classic Mack Trucks General Discussion

Question: Any E6 Oil Pans Available? (51qt) 1 2

By Ryon Hess, February 10, 2023 in Mack Truck Q & A

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Question: Anyone using fuel additives these days?

By Ryon Hess, March 28, 2023 in Mack Truck Q & A

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Question: 85 MH HVAC Control Replacement

By Ryon Hess, January 9, 2023 in Mack Truck Q & A

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Question: 80s HVAC Red Dot Mack MH

By Ryon Hess, January 29, 2023 in Mack Truck Q & A

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