The 327 and 350 are internal balance while the 400 is externally balance. If the 400 doesn't have the harmonic balancer or the flexplate you will need to get a 400 balancer and flexplate. The other difference is the heads on the 400 which have holes for the steam holes in the block. Can't bolt 327/350 heads on Sb 400. The 327 engine is fun. Once it hits 3000 rpm then it really goes. The 400 has the torque at the lower rpm along with more horsepower. The 350 piston&ring kits are inexpensive compared to the 327.
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Today's Featured Article - Torque Wrenches - by Curtis Von Fange. When working with fasteners a torque wrench can play an important role in the correct assembly of critical equipment components. Lets examine in detail some of the reasons for using a torque wrench along with how to correctly use the variety of wrenches available. Applying the proper torque to a fastener accomplishes a number of tasks. First of all correct torque will hold the parts together. This may seem like a trite statement but � think about it for a second. Engineers have designed
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