Quote:
Originally Posted by Don Andres
Thanks for the information! What I really want is a reliable engine and transmission combination that gives me a minimum of 300HP and 350-400 lbs of torque. A late 560 M117 would be in the ballpark but barely so. If I used a late 560SL as donor vehicle engine and transmission might fit in without major issues.
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The 117 is too wide as Frank and Al pointed out. I doubt a 116 would fit either (I thought the m117 was only like 3cm wider?)
With the work and money you'd spend getting a 5.6 to that power level, you'd be spending triple what a mild LS would cost, nevermind the work to get the bigger 5.6 to fit. The biggest issue is what Frank pointed out - and I'd believe him in knowing - the AOD for a 302 would fit. We know the 4L transmissions don't fit, as the other conversion thread I linked showed. So that will involve fab work, but much easier work than modifying the unibody rails to try to get an m117 in.
Also throwing it out - I don't think it's been done - a Gen III Hemi would probably fit too, and the 5.7 stock is 345HP / 345TQ for the mildest / oldest version (LX Car engine manifolds). The truck engines breathe a bit better and have more.