Towing power
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New User
Joined: Oct 2014
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Towing power
I recently had my e4od rebuilt by a friend who is a trans guy and master mechanic.now I towed my 27' boat back from the river having to go over 2 small mountains and my 95 bronco with 5.8 struggled to go up the mountain which is not super steep.When I told my friend the mechanic about this he said it sounds like a performance problem and not a trans problem. Does any one have any suggestions on what type of mods I can make to give me the power I need to pulling my boat.like cam or converter .2nd does anyone know of front disc brake up grade for 95 broncos maybe bigger calipers/bigger rotors
Postmaster
Joined: Jan 2013
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From: Panama City
How heavy is the boat? My cousin has an OLD 25 foot Stamas that weighs over 5600 pounds. Add trailer weight to that and it starts getting hard for any non diesel powered truck to pull. Broncos werent exactly designed as tow rigs.
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the boat is 27 foot scarab with a 502 blower motor and a aluminum I beam trailer duel axle. I don't think it comes close to your cousins stamas.believe me I know my parents own a 32 foot stamas and they seem to all have pretty thick hulls.I think I'm about 3200 lbs
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Joined: Oct 2014
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running 35" tires I never towed this boat with this truck but I have used it to tow my other boat which is a little smaller but close to the same weight
Hotshot
Joined: Jul 2002
Posts: 14,285
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From: Bend,OR
ok so your running 35's, what gears are you running? if stock that is your biggest issue and should be at least 4.56 if not 4.88's like what I run if you want to tow with out straining not only the engine but also that new tranny you have installed.
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What's the the ride like on the highway like with 4:56s? Does it whine at high speed? The gas mileage must suck.what about installation of a beefer converter.
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Hotshot
Joined: Jul 2002
Posts: 14,285
Likes: 12
From: Bend,OR
I run with 4.88's. there is no whine at hwy speeds,only pourly setup gears will have a whine.
Gas mileage has changed slightly. I average 10-12mpg city and 14-15hwy depending on conditions traveling at 65mph.
changing your converter wont make any difference. same goes for any engine mods short of a supercharger that would give you gains in performance to overcome the lack of gearing you have. Understand your not only turning a taller tire but also a heavier tire.
The gearing I am running was selected because at the time we towed a 5000lb travel trailer for camping and I wanted the extra gearing to assist with this and take stress off the engine and trans. I can set the cruise (not towing) and it will hold even with a head wind and the trans wont need to downshift.
your year bronco having an overdrive trans is an advantage that others running a C6 for instance would put them around 3000rpms at 65mph.
offroad this ratio is awesome also, you feel like it truly has a low range given the behavior of a manual.
Gas mileage has changed slightly. I average 10-12mpg city and 14-15hwy depending on conditions traveling at 65mph.
changing your converter wont make any difference. same goes for any engine mods short of a supercharger that would give you gains in performance to overcome the lack of gearing you have. Understand your not only turning a taller tire but also a heavier tire.
The gearing I am running was selected because at the time we towed a 5000lb travel trailer for camping and I wanted the extra gearing to assist with this and take stress off the engine and trans. I can set the cruise (not towing) and it will hold even with a head wind and the trans wont need to downshift.
your year bronco having an overdrive trans is an advantage that others running a C6 for instance would put them around 3000rpms at 65mph.
offroad this ratio is awesome also, you feel like it truly has a low range given the behavior of a manual.
Senior User
Joined: Nov 2013
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There are two different carriers for the Dana 44: One for 3.73 ratio or higher (numerically lower) and one for 3.92 ratio and lower (numerically higher). So, if you're going from 3.55 to 4.56 or 4.88, you'll need a new carrier for the front axle.
FTE Legend
Joined: Jun 2006
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From: Ottawa, Ontario
Assuming your truck originally came with 3.55 gears and 31" tires, your effective final drive ratio with 35" tires is now 3.14 which is good for nothing when you only have 4 forward speeds to work with. The original tire/gear combo is OK for general driving around but if you want towing performance the truck would need 4.10 gears, but to get the same final drive ratio with 35" tires you need 4.56 gears.