Better with gears then grammer ....new to this site and value knowledgeable gear head opinions...picked up a sweet little m715 after parting with my m37...engine is stuck and I'm thinking on different repower options...I'm a big gm nut and have the usual suspects on hand..350 w/400....292 with sm465&205...or a recent acquisition...91 12valve with overdrive auto and transfer case...experienced gear heads start your opinions