It's a drop in Michael, the main & rod journals are the same dimensions & even the counterweights on the balancer & flywheel are the same (28 oz).
Thats how Ford made the 351M! They dropped 351W cranks in 400 blocks & used different pistons with 0.300" additional compression height.
"dropping in" on my friends on the PIBB, George
PANTERA INTERNATIONAL
A DE TOMASO CAR CLUB
Presents the De Tomaso Forums
The On-Line Meeting Place for De Tomaso Owners and Enthusiasts From Around the World
Clicking on the banner will take you to the sponsor's website.