stroking a 360
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stroking a 360
I will be rebuilding my 75 F100 this summer and would like to get a little more power. I've read where you can use a 428 crank to get 410 cubic inches in a 390 block. Since the blocks are the virtually the same (360/390) can I use a 428 crank in a 360? Do I need to use the rods and pistons from the 360 or use the 428 rods/pistons? Are there any issues with the clearance on the bottom of the cylinders, etc. Any help appreciated. Thanks
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From: Hattiesburg, MS
You're exactly right. .....however you need a piston with a lower compression height. A 390 and 410 use the same rods. So...in order to keep the piston below deck, you must change the pin location.
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From: Mississippi
Ahhh, gotcha, thanks
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When I bought this truck the previous owner told me when he last rebuilt it he put in a 390 crank and pistons, thus making it a 390 (bore was the same), I'd like to take it up to 410 with the 428 crank if I can, just wondering if anyone has made this change and what I would need to do.
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From: Hattiesburg, MS
Once again.....You need a 428 crank, 410 pistons, and 390 rods. Balance them as needed, then assemble. It's that simple.
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From: Mississippi
It was a mercury engine, correct? so a 410 was an fe block then. I wonder what she performs like in a stock config
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From: Hattiesburg, MS
One more thing.....you'll probably need a 428 flywheel. But just worry about getting the crankshaft, pistons and rods. Then your engine builder can make sure you get everything balanced properly.
Laughing Gas
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From: Spokane, WA
Yeah, it was a Mercury engine. My dad still has really late 65 model year Mercury Monterey Marauder that came with the 410. I thought that was weird because i thought the 410 came out in 66. I guess it did, but a few late 65's have them too. Also, the Merc 410 is not to be confused with the Edsel 410....way different monkey there, if I remember correctly.
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A side point... most 360 engines use 410 pistons.
So the recipe is: 410/428 crank, 390/428 rods, 360/410 pistons.
Josh
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That is neat ive never heard of a 410. A shame it works out that way, i would assume the 360 rods are longer. Longer rods make for better torque not sure what the difference will actually yeild tho.
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From: Kingsport, TN
THANX - MUCH INFO here - will be "building" a 360 later - - was going to "build-up to a 390, but may change plans, to 410. Need to get thru this snow/rain weather 1st. Don't need a racing mill buit the added HP will be nice. "Overkill" for an old 250 SC. LOL