Does the Magnum 70 four stroke and the Magnum 91 four stroke have the same dimensions? I have a warbird that calls for a 70 four stroke and I don't have a 70 but I do have a 91 and I was wondering if the engine dimensions were the same for fit in the plane? Thanks

70

Length: 85.7mm (3.37" ) (from backplate to front of drive washer)
Length: 122mm (4.80" ) (from backplate to front of crankshaft)
Height: 118mm (4.64" ) (from bottom of engine to top of head)
Width: 50mm (1.96" ) (mounting hole centers-side to side)
Width: 20mm (.78" ) (mounting hole centers-front to rear)
Width: 39.9mm (1.57" ) (crankcase width neglecting mounting flanges

91


Length: 91.5mm (3.60" ) (from backplate to front of drive washer)
Length: 120mm (4-11/16" ) (from backplate to front of crankshaft)
Height: 121mm (4.76" ) (from bottom of engine to top of head)
Width: 52mm (2-1/32" ) (mounting hole centers-side to side)
Width: 25mm (15/16" ) (mounting hole centers-front to rear)
Width: 42.6mm (1.68" ) (crankcase width neglecting mounting flanges

Formatting problem corrected by moderator