Did you know that Ferrari Dino V6 engine is actually 115 lbs lighter than early 911 engine?
Got this from pelican:
Model.................................Engine weight
..............................................[lbs.]
Porsche 911T...........................390..........1969-1973 (non-CIS)
Porsche 911S...........................401..........1969-1973 (incl. RS)
Porsche 911E...........................401..........1969-1971
Porsche 911E...........................403..........1972-1973
Porsche 4.7 SOHC V8...............574
VW flat-4, Type 1.....................200
VW flat-4 Type 4......................311
VW flat 4 Type 1......................250..........1600cc dual port
Chevy small block V8...............535...........1959 283 w/alum. intake
Chevy LT-5 DOHC 5.7..............600
Chevy V8 348/408...................655
Chevy big block V8..................685...........Mark IV
Chevy 454...............................675
Chevy 427 ZL-1.......................550...........all-aluminum
Chevy LS-1..............................400...........w/o flywheel, starter
Chrysler 413 wedge................640...........1959
Chrysler 331 Hemi...................745...........1955
Chrysler 1955 Hemi.................729............Firepower 331.1 ci
Chrysler 1955 300 Hemi..........735............331 ci
Ferrari Dino V6.........................285............model 206
Ferrari Dino V6.........................296............model 246
Ford 289/302 V8......................460
Ford BOSS 302.........................500
Ford 351 Cleveland..................550
Ford 351 Windsor.....................510
Ford Y block V8.........................625...........272-312 CID
Ford FE big block......................650...........332-428 CID
Ford FE big block......................670...........1959 352 CID
Ford 427 SOHC.........................680
Ford 429/460 V8.......................640
Ford 429-460............................720
Ford 460 V8..............................720
Ford BOSS 429..........................680...........iron block, alu heads
Ford BOSS 429..........................635
Ford 4.6 SOHC...........................530...........93 iron block,alu heads
Ford 4.6 SOHC...........................600
Ford 4.6 DOHC...........................521...........1994, alu block, heads