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#1 |
Member
Join Date: Sep 2012
Posts: 416
Vehicle Year: 07/86
Vehicle Make: ford
Vehicle Model: bronco 2 4.0
I use this vehicle for: everything and anything
Rep Power: 13 ![]() |
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ok i know this thing it heavy and the 460 only came with 230 hp and 390 tq.
my dad has a 91 f250 with the same set up. that thing moves. its faster than my 4.0 b2. and its fixed up. heres what i know. mines has 3.55 gears. his has 4.10s. now is that, that big of a difference. he has 265 75 16. i have 285 75 16. i have a thrush welded muffler with the cat still intacked. he has no cat and giant hole in his muffler. i just did plugs cap rotor coil. coil because the tip was falling off. new pressure regulator. mmo the intake. tires aired up to proper psi. brakes dont drag. new o2. and i know this causes a lot of drag but the previous owner installed a direct mount cooling fan to the water pump pully. i want to put a clutch fan or go electric. now because his has 4.10s and small tires and weights 400 pounds less says the door tag. his blows mine away. or am i having performance issues. no codes. starts with a mis that smooths out within a min or 2. checked for vacuum leaks. ran a bottle of b12 cemtool in the gas. im not sure if im having injector issues or not. i cant seem to fine whats causing this lack of low end power. if someone can shed a little light on this for me i would greatly appreciated it. tia |
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#2 |
Ranger Custom
Join Date: Aug 2007
Location: UT
Posts: 7,316
Vehicle Year: 1989
Vehicle Make: Ford
Vehicle Model: Ranger
I use this vehicle for: Wasting time
Rep Power: 54 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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4.10 vs 3.55 will make a huge difference in acceleration.
If both trucks' engines are running well, have good compression, fuel delivery and timing then the one with the 4.10's will outpace the one with the 3.55's by quite a bit, until running out of gears. Your tires are also about an inch larger, which makes your gearing even higher.
__________________
89-92 Rangers are best. Fight me. 1989 Ranger build - 4.0 swap, 7.5, Dana 35, 4.56 gearing, Lockers, 5" lift, Electric power steering 1976 Fiat Abarth 131 build 1990 BII-R.I.P. |
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#3 |
Member
Join Date: Sep 2012
Posts: 416
Vehicle Year: 07/86
Vehicle Make: ford
Vehicle Model: bronco 2 4.0
I use this vehicle for: everything and anything
Rep Power: 13 ![]() |
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i like the 4.10s but i want this thing to whoop his ass lmao. what would be a good gear to go with. ill also be towing with this truck.
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#4 |
Member
Join Date: Sep 2007
Location: Michigan
Posts: 2,913
Vehicle Year: 1987
Vehicle Make: Ford
Vehicle Model: Ranger
I use this vehicle for: Tetanus Awareness
My credo: A legend to the old man, a hero to the child...
Rep Power: 29 ![]() ![]() |
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4.30 and a gear vendor O/D if you have a C6 and plan on running faster then 50mph.
__________________
I'm still doin' everything I used to do, it just takes a lil' longer now... 97 F250 460/E4OD------77 F250 400/C6 87 Ranger XLT "Rusty 2.0" 2.9/TK5 Member since March 2002 |
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#5 |
Member
Join Date: Sep 2012
Posts: 416
Vehicle Year: 07/86
Vehicle Make: ford
Vehicle Model: bronco 2 4.0
I use this vehicle for: everything and anything
Rep Power: 13 ![]() |
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if i go with 4.30 what do you thing my rpms will be at hw speeds. i live in cedar city utah. the hw speed is 80 out here. oh and i have the e4od.
thx for replying |
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#6 | |
Member
Join Date: Sep 2007
Location: Michigan
Posts: 2,913
Vehicle Year: 1987
Vehicle Make: Ford
Vehicle Model: Ranger
I use this vehicle for: Tetanus Awareness
My credo: A legend to the old man, a hero to the child...
Rep Power: 29 ![]() ![]() |
![]() Quote:
According to a rpm calculator, roughly 2600rpm with stock size tires. Seems a bit much for sustained operation.
__________________
I'm still doin' everything I used to do, it just takes a lil' longer now... 97 F250 460/E4OD------77 F250 400/C6 87 Ranger XLT "Rusty 2.0" 2.9/TK5 Member since March 2002 |
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#7 |
Member
Join Date: Sep 2012
Posts: 416
Vehicle Year: 07/86
Vehicle Make: ford
Vehicle Model: bronco 2 4.0
I use this vehicle for: everything and anything
Rep Power: 13 ![]() |
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i believe stock tire size is 245 65 16. i have 285 75 16. hopefully itll make a difference in rpm. running around 2300 rpm should be ok.
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#8 |
Member
Join Date: Sep 2007
Location: Michigan
Posts: 2,913
Vehicle Year: 1987
Vehicle Make: Ford
Vehicle Model: Ranger
I use this vehicle for: Tetanus Awareness
My credo: A legend to the old man, a hero to the child...
Rep Power: 29 ![]() ![]() |
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I figured it with 275/75/16, a 285 wont be enough to make a difference. Youll still be way up in the revs
__________________
I'm still doin' everything I used to do, it just takes a lil' longer now... 97 F250 460/E4OD------77 F250 400/C6 87 Ranger XLT "Rusty 2.0" 2.9/TK5 Member since March 2002 |
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#9 |
Member
Join Date: Sep 2012
Posts: 416
Vehicle Year: 07/86
Vehicle Make: ford
Vehicle Model: bronco 2 4.0
I use this vehicle for: everything and anything
Rep Power: 13 ![]() |
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lol i suppose i dont have to do 80mph i can hang around 70-75. we have a stretch out here that is posted 85 but most people who can do 5 over and do 90.
what do you figure would be best for it. because i plan to haul to at least 29ft camper fully loaded up a 8% grade and at some points greater than that. im 9200lbs just by itself camper would probably gross around 12-15000lbs. plus i want to light my dads f250 up. |
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#10 | |
Member
Join Date: Sep 2007
Location: Michigan
Posts: 2,913
Vehicle Year: 1987
Vehicle Make: Ford
Vehicle Model: Ranger
I use this vehicle for: Tetanus Awareness
My credo: A legend to the old man, a hero to the child...
Rep Power: 29 ![]() ![]() |
![]() Quote:
That truck is not 9200 lbs. The camper i cant say, but i tow a 30 ft with a 97 460 and it weighs 7500lbs give or take, i think youre overshooting the weigbt a bit. A 15000lb camper is going to be way to much for that truck. Either way, i think your asking alot. The best thing i can tell you is a set of 4.30s, but youre mileage will be mid single digits on the free way loaded, at best.
__________________
I'm still doin' everything I used to do, it just takes a lil' longer now... 97 F250 460/E4OD------77 F250 400/C6 87 Ranger XLT "Rusty 2.0" 2.9/TK5 Member since March 2002 |
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