View Poll Results: Which engine for the mud?
Voters: 137. You may not vote on this poll
Which engine would you choose?
Post Fiend
Joined: Jul 2003
Posts: 11,945
Likes: 3
From: Spokane, WA
I don't know what the stock 390 does for RPM but my stock 460 would die out a little past 5000rpm. Open up the heads and change the cam and I could bounce of a 6K rev limiter in a heartbeat. With some simple rod/piston upgrades you can reliably run it higher than that. In the mud you need to be able to spin the tires FAST to clean the tread or you're not getting anywhere.
FWIW I'd never consider anything but a 460 for the mud and even at that it would be a BUILT 460.
FWIW I'd never consider anything but a 460 for the mud and even at that it would be a BUILT 460.
Senior User
Joined: Jan 2003
Posts: 148
Likes: 0
From: Longmont, CO USA
Originally Posted by ivanribic
I don't know what the stock 390 does for RPM but my stock 460 would die out a little past 5000rpm. Open up the heads and change the cam and I could bounce of a 6K rev limiter in a heartbeat. With some simple rod/piston upgrades you can reliably run it higher than that. In the mud you need to be able to spin the tires FAST to clean the tread or you're not getting anywhere.
FWIW I'd never consider anything but a 460 for the mud and even at that it would be a BUILT 460.
FWIW I'd never consider anything but a 460 for the mud and even at that it would be a BUILT 460.
edit-I do have a 429 in my 75 F-250 that runs good but I am very tempted to do/put a few goodies on and see how it reacts.
Last edited by Burg460; Feb 18, 2006 at 06:37 AM.
Hotshot
Joined: Dec 2003
Posts: 18,423
Likes: 9
From: iowa
should be obvious what I vote for, but a 302 is a good little motor in it's intended place, IE a CAR. A 351M makes a decent boat anchor. 390s are great engines, I have had 10+ 390s loved them all, and they took a beating, but harder to come by, harder to find transmissions for, harder to find parts for, and still less than 400 cid. Also a stock 390 really doesn't pull that much past a 460 for rpms expecially a later model smogged up unit, the 390s really hated the smog junk to the point that is actually one of the contributing factors to Ford getting rid of it.
I obviously voted 460, not only is it a strong engine in factory trim but doesn't take much to make it really perform, and with a little more money you can stroke it adn make some series power. Add yet a little more money and you can spin them faster than most small blocks and make stupid HP.
I obviously voted 460, not only is it a strong engine in factory trim but doesn't take much to make it really perform, and with a little more money you can stroke it adn make some series power. Add yet a little more money and you can spin them faster than most small blocks and make stupid HP.
Posting Guru
Joined: Oct 2005
Posts: 1,235
Likes: 2
i voted for the 460- only because the vote was for a stock form motor.. if it wasnt for that minor stipulation i go for the 390... thats what i run and like.. they're built very stout on the bottom end and save quite a bit of weight- especially with a aluminum intake on it. easy on fuel and doesn't take alot to get good power from them..
Postmaster
Joined: Nov 2003
Posts: 4,392
Likes: 1
From: Cab of a truck
Originally Posted by wls
what kind of fuel milage are you guys getting with the 460, say in a f-250/4:10 gears, auto. Thanks
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Freshman User
Joined: May 2003
Posts: 38
Likes: 0
From: Mid-Mich
Originally Posted by FordPickup460
7-9, 10 if your lucky.
Post Fiend
Joined: Mar 2005
Posts: 8,542
Likes: 5
From: Louisiana
Originally Posted by Woodman79
What?!?!? This poll does not list the 400 as an option? I think my rights are being infringed!!! I better write my congressman...
Thread Starter
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Posting Guru
Joined: Mar 2005
Posts: 1,004
Likes: 0
From: In the Middle
Originally Posted by Woodman79
What?!?!? This poll does not list the 400 as an option? I think my rights are being infringed!!! I better write my congressman...
Actually, I wasn't trying to discriminate... I just listed the motors I already have, except the 460, but it can easily replace my 351M.
