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DrillDown Icon Technical Info - Adhesives
DrillDown Icon Technical Info - Master Airscrew
DrillDown Icon Technical Info - POLYPRO
DrillDown Icon Technical Info - RC Flying - General
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DrillDown Icon Technical Info - ULTRA POWER Technology - Products
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DrillDown Icon Technical Info - VMAR - Products
DrillDown Icon Technical Info - VMAX Electric Power Systems - General
DrillDown Icon Technical Info - VMAX Electric Power Systems - Products
DrillDown Icon Technical Info - VMAX Engines (Glow) - General
DrillDown Icon Technical Info - VMAX Engines (Glow) - Products
DrillDown Icon VMX-46PRO & 52PRO Engines
DrillDown Icon 46PRO & 52PRO - Documentation
DrillDown Icon 46PRO - Crankshaft Type - Differences in Production
DrillDown Icon 52PRO - Crankshaft Type - Differences in Production
DrillDown Icon 46PRO & 52PRO - Carb Barrel Jammed or Stiff
DrillDown Icon 46PRO & 52PRO - Glow Plug
DrillDown Icon 46PRO & 52PRO - Idle Stop Screw Threads
DrillDown Icon 46PRO & 52PRO - Low Speed Mix Factory Setting
DrillDown Icon 46PRO & 52PRO - Muffler Bolts Hard to Tighten
DrillDown Icon 46PRO & 52PRO - Muffler Center Bolt - Loose
DrillDown Icon 46PRO & 52PRO - Muffler Distance from Engine
DrillDown Icon 46PRO & 52PRO - Muffler Front Portion Only
DrillDown Icon 46PRO & 52PRO - Muffler Gasket
DrillDown Icon 46PRO & 52PRO - Muffler Loose on Engine
DrillDown Icon 46PRO & 52PRO - Needle Valve - Does it accomodate a Remote Adjustment Rod?
DrillDown Icon 46PRO & 52PRO - Nitro Concentration
DrillDown Icon 46PRO & 52PRO - Oil Concentration
DrillDown Icon 46PRO & 52PRO - Power
DrillDown Icon 46PRO & 52PRO - Weights & Sizes
DrillDown Icon VMX-61PRO Engine
DrillDown Icon VMX-91PRO Engine
DrillDown Icon VMAX Pitts Style Mufflers
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46PRO & 52PRO - Muffler Distance from Engine - How to Increase It?
Question: My aircraft has a tapered nose the flairs out quite broadly around and aft of the firewall. When I try to install my muffler on the engine the exhaust nozzle end of the muffler contacts the fuselage and I cannot tighten the muffler firmly to the engine. What can I do about this?
 
Answer: The easiest solution to try first is to install a spacer between the engine exhaust stack and the intake of the muffler. We offer a 10mm spacer specifically for the VMAX 46PRO & 52PRO. This is part number VXR-46400010. We recommend only using one such spacer. Ganging spacers up will increase the space but runs the risk of inducing vibration and extra torque on the engine exhaust stack which can damage the engine crankcase.
Article ID: 8196