good tough engine
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Senior User
Joined: Feb 2002
Posts: 100
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From: Salem USA
good tough engine
hi im looking for a good touh engine to use in the mud races i have heard of the 390 to be a tough engine but i want more cubic inches i have heard guys shy away from the 400 but havent heard much about 427's 428's and 429's or 460's can someone please give me some info on torque horspower and which ya guys think are good engines i wanna mud race this truck im gonna build and want a good strong engine thanks a lot kevin
Elder User
Joined: May 2001
Posts: 760
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From: Billings, MT
good tough engine
You want cubes?! Start with the 429/460 Block, it's hardly any heavier than that 390, then put a 514 Stroker crank in it. Throw on a good intake and carb, get some nice headers, find a good pair of heads for your application, and you'll have torque up the yang, and more horses than you'll know what to do with. And if that's not the way you want to go, stick to the 460. They make anything you could possibly want for it.
The Law
The Law
Laughing Gas
Joined: Nov 2001
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From: -
good tough engine
Dumb question but... If you put the 514 crank in, do you have to bore the engine (0.030 or 0.060 or whatever) over to get 514 cubes of displacement, or will just the crank change do it?
Elder User
Joined: May 2001
Posts: 760
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From: Billings, MT
good tough engine
I'm pretty sure the crank does it all by itself, without any boring. I've heard of guys with 521's, because they had to bore out the cylinders and ended up with a slightly larger engine.
The Law
The Law
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Joined: Aug 2001
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From: Six Shooter Junction
good tough engine
[updated:LAST EDITED ON 02-May-02 AT 01:03 PM (EST)]Now Im curious as to wether different companies do it diffirent now. PAW sells a 521 Ford, that has a 4.15" stroke which with out boring would give you 496 ci, but they oversized the bore .110" which to get the 521. This engines made for one purpose in life and thats racing. I'll look around some more for some numbers from other companies so we can compare.
Hope this helps
Chase
1979 F-250 4x4
71 460 Holley650, MSD OFFROAD, L&L Headers
C6-B&M Transpack
Dana HD44Front/60Rear
35 inch Goodyear Implement Tires
4 inch Skyjacker System
Much more to come
Hope this helps
Chase
1979 F-250 4x4
71 460 Holley650, MSD OFFROAD, L&L Headers
C6-B&M Transpack
Dana HD44Front/60Rear
35 inch Goodyear Implement Tires
4 inch Skyjacker System
Much more to come
