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+--- Thread: 617.910 - 617 912 (1) and 617.912 (2) (/showthread.php?tid=2499)
617.910 - 617 912 (1) and 617.912 (2) - Fernando BR - 04-10-2011
What really has been changed on those n/a engines . 617.910 and 617 912 ( until engine 55000 +/-) used 91 mm pistons , diferent rods and have 77 HP . After that 90.9 mm pistons and 88 HP. Are there other modifications?
thanks
RE: 617.910 - 617 912 (1) and 617.912 (2) - DeliveryValve - 04-11-2011
Basic change between the .910 and .912 is oil filter location, and different intake and exhaust manifolds
.