4R100 Questions
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Senior User
Joined: Oct 2006
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From: San Antonio, Texas
4R100 Questions
Hi Everyone! I have a 2000 F250SD 7.3 PSD, 4X4, 35's, Transflow 50 extra tank, Banks Sixgun on top of Superchips, Monstor 4" exhaust,Big Head Waste Gate actuator, AFE Stage 2. Think thats it. Now here is my question! This thing seems to be struggling to pull my trailer GTVW 16,000lbs at the 70-75 mile an hour. I have a trans temp gage, pyro and boost gage. at heavy accelaration and down shift I get about 20-22 pounds of boost the EGT's are in the 800 -900 range, and the trans temp hasnt gone above about 210F How can i tell if the trans or torque converter is slipping, Had it flushed just before the last tow and added a aux cooler 30,000 gvw. Nothing unusal but the fluid did smell a little burnt. This rig only has 78,000 miles on it. Any help would be appreciated.
Thanks Tim from Texas
Thanks Tim from Texas
Elder User
Joined: Aug 2005
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From: Dallas, Texas
EGT's look desirable. Boost seems right.
A slipping transmission is kind of like you kicking in the clutch ever soo slightly during shifts.
A TC failure is the dame way only it does it all the time, or it won't unlock/lock up.
Long story short...our stock converters suck.
A slipping transmission is kind of like you kicking in the clutch ever soo slightly during shifts.
A TC failure is the dame way only it does it all the time, or it won't unlock/lock up.
Long story short...our stock converters suck.
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Joined: Sep 2006
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From: Lincoln, NE
Deja vu all over again. Same boat. Or was. I had a couple of culprits.
First off, I put some stock in your slippage theory. That's worth investigating. Historically, I burn a tranny up in about 40K miles. Not fun. And I don't rod it. So I got a BTS. Brian sez to me on the phone "I hope you flushed the he** out of the tranny cooler or replaced it, you left part of your transmission in there" I had replaced it. (He had looked at the returned core)
My other issue was the fuel system. Might not sound related, but I had a lot of sludge / gunk / residue whatever you want to call it clogging things up and impacting flow. Enough so that at higher speeds (more fuel demand) it just couldn't deliver.
So, don't know what you got going on, but theres 2 things worth looking into.
First off, I put some stock in your slippage theory. That's worth investigating. Historically, I burn a tranny up in about 40K miles. Not fun. And I don't rod it. So I got a BTS. Brian sez to me on the phone "I hope you flushed the he** out of the tranny cooler or replaced it, you left part of your transmission in there" I had replaced it. (He had looked at the returned core)
My other issue was the fuel system. Might not sound related, but I had a lot of sludge / gunk / residue whatever you want to call it clogging things up and impacting flow. Enough so that at higher speeds (more fuel demand) it just couldn't deliver.
So, don't know what you got going on, but theres 2 things worth looking into.
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From: San Antonio, Texas
So If you dont mind saying what did the BTS run Ya? I have been looking into a BTS and TC even sent him a E-Mail but no response. Was also lookin at ATS but to many bad raps on the warranty service. Did you install yourself or take it to Brian? Also I recently changed the Fuel filter pretty clean in there. Wher did you find your sludge?
Last edited by Don Tim; Nov 12, 2006 at 01:36 PM. Reason: update
Elder User
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From: Lincoln, NE
BTS 3900. Core 1000, refunded.
Dont email. If you call, don't even leave a message. He makes a nice tranny but I've never had them respond to an email or a voice mail. You gotta actually get someone on the phone.
Local guy installed it.
Sludge started at the pickup in the tank, in the lines, in the fuel pump. Replaced all of it, it was that bad. FASS is mo' gooder!
Dont email. If you call, don't even leave a message. He makes a nice tranny but I've never had them respond to an email or a voice mail. You gotta actually get someone on the phone.
Local guy installed it.
Sludge started at the pickup in the tank, in the lines, in the fuel pump. Replaced all of it, it was that bad. FASS is mo' gooder!
Elder User
Joined: Sep 2006
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From: Lincoln, NE
I'm terrible with subjective terms. There was a difference. It put power on the ground. Gotta like that.
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Post Fiend
Joined: Sep 2006
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From: Sioux Falls, SD
Tim,
Where are you in Texas? If you are close to Oklahoma City I would recommend Fabion Motorsports. Jon built mine and quite a few others on these Diesel Forums (not as many as BTS, but quite a few). I've seen his work first hand on some 450+ HP Diesels at the track in Noble, OK.
Where are you in Texas? If you are close to Oklahoma City I would recommend Fabion Motorsports. Jon built mine and quite a few others on these Diesel Forums (not as many as BTS, but quite a few). I've seen his work first hand on some 450+ HP Diesels at the track in Noble, OK.
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Senior User
Joined: Oct 2006
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From: San Antonio, Texas
Oklahoma City is closer to me than BTS, how about his prices comparable and is his warranty as good? What do you guys think about the TC Manual lock control? It looks like a easy and well worth mod.
Post Fiend
Joined: Sep 2006
Posts: 7,426
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From: Sioux Falls, SD
Originally Posted by Don Tim
Oklahoma City is closer to me than BTS, how about his prices comparable and is his warranty as good? What do you guys think about the TC Manual lock control? It looks like a easy and well worth mod.
Post Fiend
Joined: Sep 2006
Posts: 7,426
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From: Sioux Falls, SD
Here is Jon's contact info.
Faubion Motorsports
Jon Faubion
Chickasha, OK
e-mail: richter69@***.net
I'll PM you his phone #
Faubion Motorsports
Jon Faubion
Chickasha, OK
e-mail: richter69@***.net
I'll PM you his phone #
Last edited by white Buffalo; Nov 12, 2006 at 10:35 PM.
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