360 , 390 spec's
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Add the 390 crank and rods, and the 360 pistons, or 390 2v (car) type pistons, and you have a 9.5 or so compression 390.
You can also add more stroke, to a max of about 445 with the 4.05 bore engine.
The FAQ is an excellent place to start. Then, go through the threads. There are "360 to 390" posts every month, sometimes two at a time. This has been gone over dozens of times in the last year alone.
Mountain Pass
Joined: Jul 2007
Posts: 144
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360 , 390 spec's
Speaking of the 360 & 390,Question:How much can I Overbore & Stroke the 390 Engine,Without the risk of Engine Block Damage,What would the c.i.d. be (4___ cu. in.) with max Overbore & Stroke on the 390,Would increasing the throw on Stock 390 Crankshaft (3.780") or use the Crankshaft from the 406-428 SCJ (Super Cobra Jet) for more cu. in. from 390
Last edited by BroncoDually; Jun 3, 2009 at 09:07 PM. Reason: Typing
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