![]() ![]() On the latter, fuel delivery, the old style Carter AFB heat furnace chokes are not all that good, but the basic AFB is just fine. For marine use in the non racing aspects, there is little or nothing that can be done to "improve" the industrial marine 427, except to improve on ignition and fuel delivery. The major mistakes are made by owners and machine shops that are enamored with the history of the 427 and want to add racing parts or "improve" the motor. Marine engines work hard all the time, there is no coasting like a car. There are a lot of mistakes people make when rebuilding these motors if they treat them like they are going into an automobile. Heads should not be milled because that throws off the way the intake fits, and would require it to be milled too. Stick with forged, and stay away from anything made in China. Just about all pistons for the FE rebore these days are custom. ![]() Many times the original hone marks are still visible in the cylinders due to the high quality iron used. Therefore if (if) you need a rebore and not just a deglaze and hone job, go for as little metal removal as possible. The 427 is a thinwall motor, not able to be bored out as far as others. I went into one machine shop here in Nashville, and the owner had several FE motors in various stages of rebuilding, and THAT is the sort of shop you should seek. That's not to say a Chevy shop could not build one, but it is ALWAYS best to find a shop that is familiar with this series. ![]() They have some issues that are ONLY found on the FE series. The 427 motors are certainly able to be rebuilt, they are basic, solid, and parts are available but.and this is a big issue.beware of using a "Chevy Shop" or "Chevy-think" when working on this FE series. Every owner of the 427 should have a copy. How To Rebuild BIG-BLOCK FORD ENGINES by Steve Christ, is a VERY informative book, available in "paperback" and I have seen them on ebay for $15 or so. ![]()
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