If you have a good 3.5 l motor and are extremely industrious.

The trick thing would be to put a 3.0 liter crankshaft in the 3.5 liter block. That way you get the extra power (3.2 l?) from displacement, but the shorter stroke keeps things reliable.


Michael

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Michael McGuire
83 300d
01 vw A4 TDI
66 Chevy Corsa
68 GMC V6 w/oD
86 300E

Dropping a 603.96 crankshaft in a 603.97 block won't be a cheap proposition if the deck height of the 603.96 and 603.97 pistons aren't the same, and I imagine they're not. You'll need to get a set of pistons forged to order. For the money, I'd opt to have Crower, Eagle or Manley build some top fueler grade rods for the 603.97.

Sixto
95 S420
87 300SDL

I guess I should have been more specific, if needed only, I was wondering if replacing the short block of the 3.5 with a 3.0 is doable. That is, all accessories of the 3.5, head, turbo, pump etc bolted to the 3.0L shortblock. Are the injectors the same? etc. The horsepower and torque should be close.? Any ideas?
Anyone done this, Seems like a way to get the best of both engines and no bent rod issues.
Thanks
Ron

That should work. The injectors won't be an issue since they're staying with the 3.5/.97 head. I don't know if the pump or ALDA has to be tweaked for the smaller displacement.

Sixto
95 S420
87 300SDL