I'm new to the ford 460 / E40D, I thought they were good pullers? - Pirate4x4.Com : 4x4 and Off-Road Forum
 
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Old 08-25-2010, 05:28 PM   #1 (permalink)
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I'm new to the ford 460 / E40D, I thought they were good pullers?

My last tow rig was an 88 F350 with a stock 7.3 and a 5speed. It pulled my 40' 5th wheel fine, it just wasn't going to win any races, you know how that story goes.

I recently got a '90 F350 with a 460 and a fresh E40D automatic, 3.55 gears and stock tires, and I gotta say this thing is pretty sluggish! I took it from nor cal to oregon, and I guess it was a little faster off the line than the diesel, but not by much. I did however get about 13mpg out of it. Coming back with 2000# in the bed and 6000# worth of toys on a trailer (I scaled it) I was having to drop into second gear to pull most of the hills. Coming across hwy50 from sac to reno yesterday I had to drop down to 1st gear on a few hills and still overheated it to the point that I had to pull over and let it cool twice

WTF? I thought these were supposed to be what smoked the diesels of their day, is this typical for this setup?

I have an extra (bigger) radiator for a diesel I'll see if I can put in, and where do y'all put the sensors for trans temp gauges? do they go in the pan or on the line heading to the cooler?
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Old 08-25-2010, 05:50 PM   #2 (permalink)
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Do you have good coolant in there? Good T-Stat?, Radiator clean on the INSIDE? All air purged out (no air pockets)? Clutch fan working properly? Proper weight of engine oil? Not sure if a '90 is EFI but plugs correct and gapped correctly?

I wouldn't go swapping out stock parts until you figure out your problem and get it fixed.
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Old 08-25-2010, 05:51 PM   #3 (permalink)
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IMO the 460 has always been over rated. IMO the 351W has just as good power and will swallow just as much gas. Even the diesels back then had decent pulling power when compared to a gas. I notice you also went from a diesel/stick to a gas/slushbox, big difference in how the power gets planted to the ground. 4.10 gears would help some too.
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Old 08-25-2010, 06:02 PM   #4 (permalink)
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A fresh 460 will out pull a IDI 7.3 any day of the week.
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Old 08-25-2010, 06:09 PM   #5 (permalink)
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I recently had a 89 F350 with a 460 and stick.......it pulled awesome! Walk circles aroung my Bro's 7.3 non turbo to the point he bought an Excursion with a V10. You have something wrong if yours isn't pulling harder than your old 7.3
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Old 08-25-2010, 06:42 PM   #6 (permalink)
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3.55 gears suck with an auto. I had a 95 460 gasser, loaded it would get 6 MPG.
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Old 08-25-2010, 08:58 PM   #7 (permalink)
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Thanks for the input guys, I'll be going through the cooling system and doing a tune up, and a leak down on the engine just to get an idea of what kind of shape it is in. Also might be worth mentioning the motor has 170k on it (I'm assuming the odometer has rolled once) what kind of mileage do people usually get out of these engines?

Yes it is EFI, and I was actually getting around 9mpg pulling that weight, so I guess I shouldnt complain too much.
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Old 08-25-2010, 10:00 PM   #8 (permalink)
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ditch the auto and 4.10 gears would help but arent essential

87+ is EFI on the 460. check o2 sensor also sometimes on those a bad O2 will cause a heating issue. ignition control modules also are known to take a crap. check the thermostat, flush the radiator or replace, check water pump then id turn my head to the tranny to see if it is over heating.

radiator the diesel radiator will not fit easily better off just buying a replacement that is the right size. you could have a tranny problem causing your over heat and after getting tired of the tranny on my old 460/auto overheating the coolant, and itself on every grade with a trailer due to the tranny always unlocking in second gear on steep climbs and instantly spiking the tranny temps to astronomical levels. I rounded up the computer, a 5 speed and pedals and invested $800 in what proved to be the end all for my tranny temp issues (i had a bigger cooler) my towing blues and my power robbing loose dying torque converter issues that loved to show up every 40k-50k miles


A 460 5 spd will run great a 460 with slush box can rob the motor of Alot of power. if you want a little more snot out of that motor try putting a set of Doug thorley headers on you'll be surprised at the seat of the pants difference. but get that tranny checked out first


Single best mod to my EFI 460 was adding the headers, next was changing to a 5 speed from my auto. third was retrofitting a bronco tank into the rear so i could at least pass a gas station or two. Other than that all other mods are a waste of money.
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Old 08-25-2010, 10:09 PM   #9 (permalink)
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Great, I run down to the store to grab some beer, get back to my place and as I get out of the truck I hear the radiator overflowing and coolant hitting the ground. Both radiator hoses are hot, but I think I'll yank and test the thermostat anyway, and how does one go about testing a radiator?

4.10 gears, yes I'm pretyt sure I want. I'll probably just grab a $100 rear end from a u-pull it and look it over before throwing it in. The truck came with reciepts for a rebuilt tranny and I have no reason to think the guy who traded it to me was lying. As for a tranny swap or headers this is kinda my "don't fuck with it just drive it" truck while I save up to buy a new one.

Thanks for the info ddestruel,
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Old 08-25-2010, 10:56 PM   #10 (permalink)
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Quote:
Originally Posted by woodchuck2 View Post
IMO the 460 has always been over rated. IMO the 351W has just as good power and will swallow just as much gas. Even the diesels back then had decent pulling power when compared to a gas. I notice you also went from a diesel/stick to a gas/slushbox, big difference in how the power gets planted to the ground. 4.10 gears would help some too.
I have 2 F350s, one with a 351 and one with a 460. Unloaded they feel similar. Put a load on them and the 460 truck is much stronger.
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Old 08-26-2010, 10:24 AM   #11 (permalink)
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That's pretty amazing gas mileage. You should see around 10 unloaded or loaded. You need lower gears. 4.11's work fine with the 460/ZF5 setup and your E4OD has an even higher overdrive, so I would try 4.11s to start. What size tires do you run? Stock dually would be 215/85R16 but stock single tire would be 235/85R16. If you're running the 235/85R16s you may want to go a step lower than 4.11s in the rear.
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Old 08-26-2010, 04:12 PM   #12 (permalink)
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A few good ways to test your radiator. Scan it with your infared in several spots. looking for hot spots and the temps going in and coming out. Tie a rag around a garden hose and shove it in the top and see the volume that comes out the bottom it should be close. I hope it helps. I could never keep my 460 cool in my motorhome towing my 16 foot boat. I was going to put in an external tranny cooler with fan, but I sold it.
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Old 08-26-2010, 04:37 PM   #13 (permalink)
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My father has an '89 F250 with the 460/E40D in it. Has a "Banks Power Pack" from back in the day. Included a nice set of headers, exhaust, different intake, and some sort of shift kit I believe.

That thing will stick right with my stock '96 Powerstroke under most conditions. But to do it it needs twice the amount of fuel. With a 12k trailer in tow, he averages 5-6 mpg. Ive done the same trip, with roughly the same load, and averaged exactly double that. 10-12mpg.
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Old 08-28-2010, 11:37 PM   #14 (permalink)
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my truck had a 460/e4od in it. it lacked power even empty and i ended up ripping it out due to the fuel injection giving me trouble. i never have liked efi. i will say this, i think it had over 200,000 miles on it and it still made 60 psi oil pressure cold and 40 warm according to my autometer gauge. i beat the shit out of the tranny a few times and it didn't give me any problems. actually i take that back, occasionally the tach would be about a littler higher than it should have been at the speed i was going. there was some sort of gray rectangular dodad that was behind the dash above the drivers right foot. it will have a group of wires going to it one of which is a pink wire with a black tracer i think and if i pulled over and unplugged it and plugged it back in it would start working again. theres supposed to be a pink wire with black tracer going to the tranny to lock up the torque converter but i couldnt find it. my buddy put a switch to ground i believe it was on his 4r100 to lock up the torque converter
edit: i have 4:10 gears
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Old 08-29-2010, 09:51 AM   #15 (permalink)
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Not sure if I would bother with testing the radiator, a buddy just picked one up from Napa for $99. Worth it just to change it. He too was having cooling problems, so he replaced the entire cooling system (radiator, t-stat, hoses) and that ended his cooling problems.

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