410 "stroker" build
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410 "stroker" build
I recently bought a 1973 f250 with a 360. I was thinking about stroking it to a 390 but then seen with a 428 crank, and 390 internals it would be a 410. I am looking for a tourqe build for sled pulling at the county fair and a fun driver. A Eagle crank 3.980 stroke is $430 on summit. What all would I need to complete this build to have a fully functional pickup, cam, head work, pistons, etc.? Trying to do this build on a budget with mostly stock parts but will not go cheap where things go wrong.
Cargo Master
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When Ford built the 428 they went to an externally balanced design using oddly enough 28oz just like a 289,302,351 etc. A regular 428 uses the weight in the back only. A 428 SCJ(different crank without extra square 4th counterweight for some reason and different rods) uses a weight on the balancer spacer similar to the '79 and up 460 engine.
External balance is fine on an engine that's going to run under 6500rpm or so and the only real practical drawback is that it makes the flywheel part of the engine assembly.
External balance is fine on an engine that's going to run under 6500rpm or so and the only real practical drawback is that it makes the flywheel part of the engine assembly.
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I recently bought a 1973 f250 with a 360. I was thinking about stroking it to a 390 but then seen with a 428 crank, and 390 internals it would be a 410. I am looking for a tourqe build for sled pulling at the county fair and a fun driver. A Eagle crank 3.980 stroke is $430 on summit. What all would I need to complete this build to have a fully functional pickup, cam, head work, pistons, etc.? Trying to do this build on a budget with mostly stock parts but will not go cheap where things go wrong.
http://www.fastfairlane.com/Engines/fespechart2.html
Last edited by 85e150; May 4, 2021 at 08:42 PM. Reason: add link
Cargo Master
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If I remember correctly the Scat crankshaft site used to say their cranks for FE's had to be externally balanced. However, they can definitely be internally balanced. I'd double check the need for an Eagle crank to require external balance. They may be okay for internal balance as well.
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Cargo Master
Joined: Oct 2020
Posts: 2,675
Likes: 784
If I remember correctly the Scat crankshaft site used to say their cranks for FE's had to be externally balanced. However, they can definitely be internally balanced. I'd double check the need for an Eagle crank to require external balance. They may be okay for internal balance as well.
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