V-10 Towing Concerns, Update
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From: Long Island USA
Originally Posted by GregA
Yes, but would you do it for 9%, or +40ft-lbs? From 410 ft-lbs (on my '99 E-350) to 450?
I'll make some calls manana, but I've spent the last hour scouring the Internet. Best I can figure I have a Dana 80 11.25" (or variant; 10-bolt case). I can only find references to 3.31, 3.54, 3.73, 4.10, 4.63, and 5.13 ratios. Further, it appears that the cases are different for the 3.73 and down versus the 4.10 and up, so I may have to change out the case as well. Sooo, from 3.73 to 4.10 is 9%...
Superchips claims +49 ft-lbs for ~$400...
Any recommendations for forum sponsors to contact that would know about this stuff? - GA
I'll make some calls manana, but I've spent the last hour scouring the Internet. Best I can figure I have a Dana 80 11.25" (or variant; 10-bolt case). I can only find references to 3.31, 3.54, 3.73, 4.10, 4.63, and 5.13 ratios. Further, it appears that the cases are different for the 3.73 and down versus the 4.10 and up, so I may have to change out the case as well. Sooo, from 3.73 to 4.10 is 9%...
Superchips claims +49 ft-lbs for ~$400...
Any recommendations for forum sponsors to contact that would know about this stuff? - GA
The Superchips claims 49ft/lbs - but at what RPM? The one I put in my 4.6L (that required 93 octane w/the chip) didn't really move the peak torque up, but put 30+ ft/lbs up past the peak, big difference in a 2-door t-bird.
And it certainly won't add 49 ft/lbs all across the range, such as a gear swap would do.
When they say "case" I don't think they mean the entire axle assembly, they just mean the differential "case" where the ring gear bolts to. You can probably get one from a junkyard in good shape (but then, you'd probably be better off getting an entire rear end, new u-bolts and bolting the thing right in
Look at this link:
http://www.precisiongear.com/dana80.htm
They show 3.73, 4.10, 4.30, etc. etc.
art k.
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Tuned
Joined: Jun 2003
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From: Connecticut
Best I can figure from calling around it appears I have a Dana 60 in the truck. So, based on your link I found:
http://www.precisiongear.com/dana60.htm
They offer a 4.30, so I guess I'll call for a price...still trying to figure out who in my area (CT) could do the work. - GA
http://www.precisiongear.com/dana60.htm
They offer a 4.30, so I guess I'll call for a price...still trying to figure out who in my area (CT) could do the work. - GA
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Joined: Jul 2002
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From: Long Island USA
Originally Posted by GregA
Best I can figure from calling around it appears I have a Dana 60 in the truck. So, based on your link I found:
http://www.precisiongear.com/dana60.htm
They offer a 4.30, so I guess I'll call for a price...still trying to figure out who in my area (CT) could do the work. - GA
http://www.precisiongear.com/dana60.htm
They offer a 4.30, so I guess I'll call for a price...still trying to figure out who in my area (CT) could do the work. - GA
Sit. Stay.
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From: Washington State
Originally Posted by GregA
Best I can figure from calling around it appears I have a Dana 60 in the truck.
The E-series vans use a Sterling 10.25 full-floating rear axle.
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Tuned
Joined: Jun 2003
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From: Connecticut
Thanks, Art, I'll do that.
Another rub: after talking to a couple of guys, both noted that the 4.30 is aftermarket offroad parts versus OEM Dana (Dana offers 4.10 or 4.56). Both said the 4.30 was of lesser quality, would be noisier, and neither really recommended it, especially in vans (vans transmit noise into the cabin easier). Best price so far was right at $400 including carrier bearings. One told me I should do it myself and they'd offer all the telephone support I'd need to do the job...intriguing idea...GA
Another rub: after talking to a couple of guys, both noted that the 4.30 is aftermarket offroad parts versus OEM Dana (Dana offers 4.10 or 4.56). Both said the 4.30 was of lesser quality, would be noisier, and neither really recommended it, especially in vans (vans transmit noise into the cabin easier). Best price so far was right at $400 including carrier bearings. One told me I should do it myself and they'd offer all the telephone support I'd need to do the job...intriguing idea...GA
Last edited by GregA; Aug 9, 2005 at 04:34 PM.
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Tuned
Joined: Jun 2003
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From: Connecticut
Ken, are you sure? I know I have a Dana, at least; "Dana" is stamped into the rear cover. I gave the guy at drivetrain.com my BOM and he called Dana to confirm; he was told it's a Dana 60... GA
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From: Vancouver Wash USA
Originally Posted by GregA
Finally got to towing a full load with the '99 E-350 today.
Bottom line: it's better than before, but less than I was expecting. It pulls real nice off the line, good torque. As I proceed up the highway entrance ramp, though, it seems to start falling flat. If I set the cruise at 70 it'll work fine on the flats but quickly downshifts on even the slightest hill. Steeper hills (not mountains, mind you) and it requires full-throttle.
So tell me, is this the nature of the '99 engine, or should I go searching for more problems?
Bottom line: it's better than before, but less than I was expecting. It pulls real nice off the line, good torque. As I proceed up the highway entrance ramp, though, it seems to start falling flat. If I set the cruise at 70 it'll work fine on the flats but quickly downshifts on even the slightest hill. Steeper hills (not mountains, mind you) and it requires full-throttle.
So tell me, is this the nature of the '99 engine, or should I go searching for more problems?
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Tuned
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From: Connecticut
Ken, you've suggested smaller tires in the past (and I have not forgotten that). However, I thought you were talking 15" wheels, not simply 225-16s. That's a 4% reduction in circumference and makes about half the difference of going to a 4.10 rear end (and is easier to install...)
No issues with grip with the thinner tires (serious weight with the bunkhouse noted)? I assume you're pulling a tagalong? If so, what kind? I'll be pulling a 24' enclosed with not a whole lot of weight in the back of the truck, but I can shift the weight of the car in the trailer forward quite a bit...
Boy the gears are turning now (no pun intended; well, ok, pun intended)... GA
No issues with grip with the thinner tires (serious weight with the bunkhouse noted)? I assume you're pulling a tagalong? If so, what kind? I'll be pulling a 24' enclosed with not a whole lot of weight in the back of the truck, but I can shift the weight of the car in the trailer forward quite a bit...
Boy the gears are turning now (no pun intended; well, ok, pun intended)... GA
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Sit. Stay.
Joined: Oct 2001
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From: Washington State
Originally Posted by GregA
Ken, are you sure? I know I have a Dana, at least; "Dana" is stamped into the rear cover. I gave the guy at drivetrain.com my BOM and he called Dana to confirm; he was told it's a Dana 60... GA
I was always under the impression that it used a Sterling axle. Sorry for the mix-up.
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From: Long Island USA
Originally Posted by Monsta
Sounds like you are more in the know than I am then. I was always under the impression that it used a Sterling axle. Sorry for the mix-up.
I was always under the impression that it used a Sterling axle. Sorry for the mix-up. ) w/5.4L ...It had a rear that looked nothing like my Sterling, but a HECK of a lot like the Dana 60 in the rear of my '74 highboy
I'm really going to have to check that now. I have this incredible thirst for knowledge that I got slaked here on FTE. But, I still look at things first-hand to make sure they are what I think they are.
What's the Axle code on your door sticker?
artk .
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From: Vancouver Wash USA
Originally Posted by GregA
Ken, you've suggested smaller tires in the past (and I have not forgotten that). However, I thought you were talking 15" wheels, not simply 225-16s. That's a 4% reduction in circumference and makes about half the difference of going to a 4.10 rear end (and is easier to install...)
No issues with grip with the thinner tires (serious weight with the bunkhouse noted)? I assume you're pulling a tagalong? If so, what kind? I'll be pulling a 24' enclosed with not a whole lot of weight in the back of the truck, but I can shift the weight of the car in the trailer forward quite a bit...
Boy the gears are turning now (no pun intended; well, ok, pun intended)... GA
No issues with grip with the thinner tires (serious weight with the bunkhouse noted)? I assume you're pulling a tagalong? If so, what kind? I'll be pulling a 24' enclosed with not a whole lot of weight in the back of the truck, but I can shift the weight of the car in the trailer forward quite a bit...
Boy the gears are turning now (no pun intended; well, ok, pun intended)... GA
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From: La Habra, CA
Originally Posted by GregA
Ken, you've suggested smaller tires in the past (and I have not forgotten that). However, I thought you were talking 15" wheels, not simply 225-16s. T
Eric
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From: Vancouver Wash USA
Originally Posted by krewat
Aren't the E-series still using the tapered-nut 8-bolt classic pattern that's been used for DECADES ???