Upgrades and Aftermarket - 99 & up 7.3L EngineUpgrading or adding OEM or aftermarket equipment to your 1999-Up Super Duty or Excursion with 7.3L Power Stroke diesel engine. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.
I just had my 4r100 gone thru by a very dialed local shop and I specified that I was going to use a brake, they ordered some hardened parts and such for that use. The question is, they gave me a sheet stating not to use the brake in D with the overdrive off as the coast clutch is unpressurized in this condition. Does the converter locking take care of this? I was going to try the SP brake and converter control and just curious. Or I was going to have Jody burn me a chip with the brake tune on it as well. Thanks in advance.
last night i did the diy exhuast brake and tested it this mornning.on a good size hill,at the top to the bottom with no brakes on, of the go pedal i dropped 5-6mph from just reg.engine brakeing.same hill and speed with the diy exhaust brake on i lost 17 mph from the top to the bottom.with the exhuast brake on and light brake peadl i lost 25mph.this was done with a empty 75000 lb truck.i would expect to see more exhaust brakeing when loaded.i will be takeing a run down south in a week to p.u. a load of car's.i will be running about 19k on the way back.i will post the result's when i get back.i have the ebpv valve on a switch that i filp when i want it to turn on.so far i would say it was worth the $15 in part's and 1hr to do the install.
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it's MY story and i can tell it anyway i want! 2000 F-350 7.3psd cc shorty 4x4 with intake,dp-tuner stock 40tow 80econ 140hp 5f switch mounted on the gauge pod, apiller tripple gauge's, trans temp,egt's,boost, tranny rebuilt with tugger shift kit,hd conv.,borg warner kit,4'" exhaust from the stock down pipe,5er and gneck hitch's in box,class five reciver out back,fire stone air bag's controled by a load controller on rear axle,onboard aircomp. under hood,2 2.5 gallon tanks under bed,air coupler in alum tool box in bed for tires etc....285/75/16 coopers, pioner jl adiuo kicker sound system,150,000 and going strong,psd's rule!87 f-250 6.9 4x4 auto bank's turbo ,4'' exhaust.soon to come, intake, ip and injecter's.installed a wrecker bed with wheel lift and recovery winch's
The exhaust brake doesn't do much good at less than 2,000 RPM. But it does the job when coming down the mountain at 65 MPH in direct drive (OD turned off) at 2,450 RPM with the torque converter locked and a heavy trailer pushing on you.
The exhaust brake doesn't do much good at less than 2,000 RPM. But it does the job when coming down the mountain at 65 MPH in direct drive (OD turned off) at 2,450 RPM with the torque converter locked and a heavy trailer pushing on you.
if it dosn't do much good,why do they sell the same thing i just made?
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it's MY story and i can tell it anyway i want! 2000 F-350 7.3psd cc shorty 4x4 with intake,dp-tuner stock 40tow 80econ 140hp 5f switch mounted on the gauge pod, apiller tripple gauge's, trans temp,egt's,boost, tranny rebuilt with tugger shift kit,hd conv.,borg warner kit,4'" exhaust from the stock down pipe,5er and gneck hitch's in box,class five reciver out back,fire stone air bag's controled by a load controller on rear axle,onboard aircomp. under hood,2 2.5 gallon tanks under bed,air coupler in alum tool box in bed for tires etc....285/75/16 coopers, pioner jl adiuo kicker sound system,150,000 and going strong,psd's rule!87 f-250 6.9 4x4 auto bank's turbo ,4'' exhaust.soon to come, intake, ip and injecter's.installed a wrecker bed with wheel lift and recovery winch's
I had the Banks EB on my 02 F-350. Totally awesome set up.. 14 plus % grade in first gear no braking! Loved it.. never let me down, I was pulling close to 15K.
Any normal grade of 6 to 7 % was just another day on the road.. just having a party in the truck, boss.
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2010 F-450 King Ranch (loaded)
Alpenlite Portofino RL36
Reese 24K Sig Series fifthwheel hitch
Reese 30K Sig Series gooseneck hitch
Aerotank 65 gallon tool/tank box ( on timer)
Eclipse AVN726E Nav
I suspect you're right. Lots of folks use an electronic exhaust brake without a torque converter controller. When comin' down the mountain, if you can resist touching the brakes (which unlocks the torque converter with most tunes) and keep the RPM up over 2,000, then the closed EBPV does a decent job of retarding. But touch the brakes and the retarding action almost disappears when the torque converter unlocks and begins slipping.
i installed a switch to lock the converter on demand. with the ebpv closed and od off,the conv. will stay locked until 38mph.with the tc lock switch on and ebpv valve closed,the tc will stay locked until just about 5mph when i turn it off.also when you get below 35mph with the lock switch on,the od light goes nut's for awhile.so i see almost no use for the lock up switch,unless you want to" exhaust brake" down to nothing and risk tc problems.in turn i can brake with out the tc un locking in od and od off all the way down to 38mph when the pcm un locks it.i will most likely use the already installed tc lock switch for my back up light's that are needing to be installed.sun. is the day i will be running a load of cars and will be able to see the real deal,i have run the dump trailer loaded and sa very good exhaust brakeing.
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it's MY story and i can tell it anyway i want! 2000 F-350 7.3psd cc shorty 4x4 with intake,dp-tuner stock 40tow 80econ 140hp 5f switch mounted on the gauge pod, apiller tripple gauge's, trans temp,egt's,boost, tranny rebuilt with tugger shift kit,hd conv.,borg warner kit,4'" exhaust from the stock down pipe,5er and gneck hitch's in box,class five reciver out back,fire stone air bag's controled by a load controller on rear axle,onboard aircomp. under hood,2 2.5 gallon tanks under bed,air coupler in alum tool box in bed for tires etc....285/75/16 coopers, pioner jl adiuo kicker sound system,150,000 and going strong,psd's rule!87 f-250 6.9 4x4 auto bank's turbo ,4'' exhaust.soon to come, intake, ip and injecter's.installed a wrecker bed with wheel lift and recovery winch's
You need both the exhaust brake and the torque converter lockup switch when going down steep grades at highway speeds with a heavy trailer pushing on you. Downshift to 3rd gear (OD off) at the top of the grade, then turn on both the exhaust brake and the torque converter lockup.
Yes, the PCM will keep the torque converter locked down to 37 MPH as long as you don't touch the brakes. But if traffic or some reason causes you to touch the brakes, the torque converter will unlock if you don't have the lockup switch turned on.
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if it dosn't do much good,why do they sell the same thing i just made?
It doesn't do much good at less than about 2,000 RPM. But when you're coming down the mountain with a heavy trailer, you'll be downshifted out of OD and probably running a lot more than 2,000 RPM. Typical for me is 65 MPH at about 2,450 RPM when descending interstate mountain passes, and the exhaust brake works great under that condition.
If you expect it to do any good when unloaded and in overdrive, you'll be disappointed. Unless you're a nutcase, your RPM will be less than 2,000, and the exhaust brake will barely be noticeable when you let off the "gas" to slow down.
smokey,i think you missed the point of my last post.when you hit the od button you are shifting into 3rd gear and my tc stays locked until 35mph even if i am on the brake's regardless if the tc switch is on or not.same as in od,i can watch the tach stay up with the road speed and then go down to idel when it hit's 35mph.i don't know if that is prgramed from dp in the tunes or not but it is the same case in stock mode also.so for my truck i still don't see a reason for the tc switch, although i could be wrong.
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it's MY story and i can tell it anyway i want! 2000 F-350 7.3psd cc shorty 4x4 with intake,dp-tuner stock 40tow 80econ 140hp 5f switch mounted on the gauge pod, apiller tripple gauge's, trans temp,egt's,boost, tranny rebuilt with tugger shift kit,hd conv.,borg warner kit,4'" exhaust from the stock down pipe,5er and gneck hitch's in box,class five reciver out back,fire stone air bag's controled by a load controller on rear axle,onboard aircomp. under hood,2 2.5 gallon tanks under bed,air coupler in alum tool box in bed for tires etc....285/75/16 coopers, pioner jl adiuo kicker sound system,150,000 and going strong,psd's rule!87 f-250 6.9 4x4 auto bank's turbo ,4'' exhaust.soon to come, intake, ip and injecter's.installed a wrecker bed with wheel lift and recovery winch's
i'm not trying to argue with you on this,i just want to make sure i'm doing this right and it is working right.brakes and tranny's are not cheap if some thing is'nt working proper.
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it's MY story and i can tell it anyway i want! 2000 F-350 7.3psd cc shorty 4x4 with intake,dp-tuner stock 40tow 80econ 140hp 5f switch mounted on the gauge pod, apiller tripple gauge's, trans temp,egt's,boost, tranny rebuilt with tugger shift kit,hd conv.,borg warner kit,4'" exhaust from the stock down pipe,5er and gneck hitch's in box,class five reciver out back,fire stone air bag's controled by a load controller on rear axle,onboard aircomp. under hood,2 2.5 gallon tanks under bed,air coupler in alum tool box in bed for tires etc....285/75/16 coopers, pioner jl adiuo kicker sound system,150,000 and going strong,psd's rule!87 f-250 6.9 4x4 auto bank's turbo ,4'' exhaust.soon to come, intake, ip and injecter's.installed a wrecker bed with wheel lift and recovery winch's
xcr800151 that's what I been saying about my truck(99 f-350) my converter isn't unlocking brakes or no brakes, O/D or 3rd. Folks think I'm mistaken, your post gives me conformation.
xcr800151 that's what I been saying about my truck(99 f-350) my converter isn't unlocking brakes or no brakes, O/D or 3rd. Folks think I'm mistaken, your post gives me conformation.
i know that some truck's do unlock when you touch the brakes,aparently not all of them do this stupid act.therefor i see no apparent reason for the tc switch,i could still be wrong.
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it's MY story and i can tell it anyway i want! 2000 F-350 7.3psd cc shorty 4x4 with intake,dp-tuner stock 40tow 80econ 140hp 5f switch mounted on the gauge pod, apiller tripple gauge's, trans temp,egt's,boost, tranny rebuilt with tugger shift kit,hd conv.,borg warner kit,4'" exhaust from the stock down pipe,5er and gneck hitch's in box,class five reciver out back,fire stone air bag's controled by a load controller on rear axle,onboard aircomp. under hood,2 2.5 gallon tanks under bed,air coupler in alum tool box in bed for tires etc....285/75/16 coopers, pioner jl adiuo kicker sound system,150,000 and going strong,psd's rule!87 f-250 6.9 4x4 auto bank's turbo ,4'' exhaust.soon to come, intake, ip and injecter's.installed a wrecker bed with wheel lift and recovery winch's
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F-350 7.3psd cc shorty 4x4 with intake,dp-tuner stock 40tow 80econ 140hp 5f switch mounted on the gauge pod, apiller tripple gauge's, trans temp,egt's,boost, tranny rebuilt with tugger shift kit,hd conv.,borg warner kit,4'" exhaust from the stock down pipe,5er and gneck hitch's in box,class five reciver out back,fire stone air bag's controled by a load controller on rear axle,onboard aircomp. under hood,2 2.5 gallon tanks under bed,air coupler in alum tool box in bed for tires etc....285/75/16 coopers, pioner jl adiuo kicker sound system,150,000 and going strong,psd's rule!87 f-250 6.9 4x4 auto bank's turbo ,4'' exhaust.soon to come, intake, ip and injecter's.installed a wrecker bed with wheel lift and recovery winch's
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