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Original Message
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RE: fe build up |
By Bob - 05/12/2002 9:05:08 PM; IP 65.80.203.136 |
Check the classifieds. Often on eBay also.
You need 410 pistons, a 410-428 crank and a 410-428 flywheel or flexplate.
You need a 410/428 crankshaft because the stroke on the 390 is 3.78 and the stroke on a 410/428 is 3.98. You need a 410 or 428 flywheel or flexplate because the 390 is an internally balanced engine and the 410/428 is a externally balanced engine. The rods are the same for both engines 390/410.
The piston for the original 410 motor was also used in the 390 truck motor to lower the compression. The 410 and 428 pistons have a 1.66 compression height – that's distance from the pin to top of piston. The standard 390-406-427 compression height is 1.76.
All FE harmonic balancers are neutral balanced so they are not an issue. |
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