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Post by 383 Sonoma on Jan 16, 2015 15:13:07 GMT -5
by the time you buy those rods and pistons and zero the deck you'd probably be money ahead to just buy 302 pistons
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Post by redneckracing12 on Jan 16, 2015 15:17:47 GMT -5
by the time you buy those rods and pistons and zero the deck you'd probably be money ahead to just buy 302 pistons true but at the same time longer rods are within a few dollars as normal 5.7 length rods and you could probably get the pistons cheaper and have a ton of more option compared to using aftermarket pistons made for a 302.
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lincoln
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Posts: 3,176
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Post by lincoln on Jan 16, 2015 17:06:52 GMT -5
If you go to eaglerod.com they have a calculator for that.
I've played with it a bunch.
Sonoma is right, 6.125 rods aren't cheap and neither are most 383 Pistons.
The 4.3 combo is the cheapest and most economical way to do it AND it'll be large journal.
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Post by redneckracing12 on Jan 16, 2015 18:12:42 GMT -5
if your building a 302 its because you want to spin the motor to the moon and imo stock crank rods and pistons would not survive at 7500-8000 rpm like most 302's turn.
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lincoln
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Post by lincoln on Jan 17, 2015 13:33:18 GMT -5
Gotta remember tho, piston speed is greatly reduced with that tiny little stroke.
Not near as much stress, as say, a 383
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Post by 383 Sonoma on Jan 18, 2015 10:19:49 GMT -5
they don't have to travel as far to make a revolution... but you're still gonna yank a wrist pin out of a piston if you keep it wound up that high very long....
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