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With a Bang , she's gone.

here's a few shots under different sppeds today. Truck is seemingly fine.
Snapshot created 6/11/2009 9:31:49 AM

__________________________________________________________________

ENGINE SENSORS

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Engine run time: 00:13:00

Boost pressure (MAP): 25.84 PSI

Desired EGR: 15.23 PSI

Desired idle: 638 RPM

EGR pressure: 14.36 PSI

EGR duty cycle: 0 %

Engine coolant temp: 189.2 F°

Engine speed: 2625 RPM

Glow plug relay feedback: 0.1 Volts

Glow plug voltage: 0.2 Volts

Ignition voltage: 13.2 Volts

Wastegate duty cycle: 55.1 %



__________________________________________________________________

INFORMATION SENSORS

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

PCM Calibration ID: 4805

Current DTCs: 0

Accel. ped. pos. 1: 2.22 Volts

Accel. ped. pos. 2: 2.86 Volts

Accel. ped. pos. 3: 3.12 Volts

Barometric pressure (BARO): 13.5 PSI

Battery voltage: 13.2 Volts

Fuel temperature: 85.8 F°

Intake air temp: 154 F°

Throttle position: 59 %

Turbo boost (Calculated): 12.34 PSI

Voltage reference sensor: 1.3 Volts



__________________________________________________________________

INJECTION PUMP SENSORS

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

Actual injection pump timing: 39.42 Deg °

Cam reference missed: 0 Counts

Crank reference missed: 0 Counts

Fuel calibration: 150 Counts

Fuel rate: 68.75 mm³

Fuel rate - Cruise: 0 mm³

Fuel rate - Idle: 0 mm³

Fuel rate - Maximum transient: 79.69 mm³

Fuel rate - Throttle requested: 81.38 mm³

Injection pulse width: 1.82 ms

Injection timing - Measured: 17.3 Deg °

Injection timing - Desired: 17.4 Deg °

TDC offset: -1.23 Deg °



__________________________________________________________________

TRANSMISSION SENSORS

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

3-2 PWM solenoid duty cycle: 0 %

Cruise target speed: 0 MPH

Cruise speed error: 0 MPH

Current gear of transmission: 3 Gear

Current torque signal pressure: 70 PSI

Current transmission ratio: 1:0.06 Ratio

Error between desired and actual shift times for latest 1-2 upshift: 6.18 Sec

Error between desired and actual shift times for latest 2-3 upshift: 0.18 Sec

Force motor (PCS) - Duty cycle: 20.3 %

Force motor (PCS) - Feedback current: 0.35 Amps

Force motor (PCS) - Reference current: 0.37 Amps

Time of latest 1-2 upshift: 0.52 Sec

Time of latest 2-3 upshift: 0.12 Sec

TCC PWM solenoid duty cycle: 0 %

TCC slippage: 567 RPM

Transmission input speed: 2062 RPM

Transmission output speed: 2061 RPM

Transmission temperature: 120.6 F°

Turbine speed: 2062 RPM

Vehicle speed: 52 MPH



__________________________________________________________________

STATUS FLAGS

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

Shift lever:

Drive 4



Cruise control:



TCC mode word 1:

TCC is being forced off

TCC enable solenoid valid

Low threshold for COPETCC selected

• Use hyst. for vehicle speed

TCC is in release mode, slipping

TCC is in locked-adjust mode

TCC is being applied

Negative slip recently prevents apply



TCC mode word 2:

TCC PWM is on

• Perform release

Perform apply

Min. threshold occurred

TCC Bus. is valid

NDT occurs

Delay is in progress

Min. throttle occured



IOD port A:

Glow plug relay - Closed/Open

• Stepper motor inhibit - Run/Inhibit

Service Throttle Lamp - On/Off

EGR vent enable - On/Off

Shift A - On/Off

• Shift B - On/Off

TCC enable - On/Off (4L60E only)

• Force Motor enable - On/Off



IOD SOD status register:

Coolant temp. pullup select - On/Off

• Trans. temp. pullup select - On/Off

Fuel calibration temp. select - On/Off

Check Engine Lamp - On/Off

PWM1 - Reset/Normal

PWM2 - Reset/Normal

PWM3 - Reset/Normal

PWM4 - Reset/Normal



System status word:

FM shut off due to low battery

Force Motor pulse in progress

• Power is On/Off

COP2 is being serviced

Delco instrumentation PROM

• Powertrain is in motion



Discrete flags:

Brake - On/Off

A/C Compressor - Engaged/Disengaged

Power enrichment - Active/Inactive

Kickdown pattern - Active/Inactive

Four-Wheel Drive Low - Active/Inactive

Cruise low - Active/Inactive

Diagnostic - Requested/Not requested
 
Snapshot created 6/11/2009 9:31:35 AM
__________________________________________________________________
ENGINE SENSORS
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
Engine run time: 00:12:45
Boost pressure (MAP): 15.58 PSI
Desired EGR: 6.53 PSI
Desired idle: 562 RPM
EGR pressure: 6.6 PSI
EGR duty cycle: 71.5 %
Engine coolant temp: 188.2 F°
Engine speed: 1350 RPM
Glow plug relay feedback: 0.1 Volts
Glow plug voltage: 0.2 Volts
Ignition voltage: 13.2 Volts
Wastegate duty cycle: 79.3 %

__________________________________________________________________
INFORMATION SENSORS
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
PCM Calibration ID: 4805
Current DTCs: 0
Accel. ped. pos. 1: 0.92 Volts
Accel. ped. pos. 2: 4.16 Volts
Accel. ped. pos. 3: 3.88 Volts
Barometric pressure (BARO): 13.5 PSI
Battery voltage: 13.3 Volts
Fuel temperature: 85.3 F°
Intake air temp: 82.2 F°
Throttle position: 11 %
Turbo boost (Calculated): 2.08 PSI
Voltage reference sensor: 1.3 Volts

__________________________________________________________________
INJECTION PUMP SENSORS
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
Actual injection pump timing: 35.29 Deg °
Cam reference missed: 0 Counts
Crank reference missed: 0 Counts
Fuel calibration: 150 Counts
Fuel rate: 16.56 mm³
Fuel rate - Cruise: 0 mm³
Fuel rate - Idle: 0 mm³
Fuel rate - Maximum transient: 65.62 mm³
Fuel rate - Throttle requested: 19.88 mm³
Injection pulse width: 1.88 ms
Injection timing - Measured: 13 Deg °
Injection timing - Desired: 13.5 Deg °
TDC offset: -1.23 Deg °

__________________________________________________________________
TRANSMISSION SENSORS
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
3-2 PWM solenoid duty cycle: 0 %
Cruise target speed: 0 MPH
Cruise speed error: 0 MPH
Current gear of transmission: 3 Gear
Current torque signal pressure: 40 PSI
Current transmission ratio: 1:1 Ratio
Error between desired and actual shift times for latest 1-2 upshift: 6.18 Sec
Error between desired and actual shift times for latest 2-3 upshift: 0.18 Sec
Force motor (PCS) - Duty cycle: 28.9 %
Force motor (PCS) - Feedback current: 0.55 Amps
Force motor (PCS) - Reference current: 0.55 Amps
Time of latest 1-2 upshift: 0.52 Sec
Time of latest 2-3 upshift: 0.12 Sec
TCC PWM solenoid duty cycle: 0 %
TCC slippage: 223 RPM
Transmission input speed: 1148 RPM
Transmission output speed: 1145 RPM
Transmission temperature: 118 F°
Turbine speed: 1148 RPM
Vehicle speed: 30.5 MPH

__________________________________________________________________
STATUS FLAGS
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
Shift lever:
Drive 4

Cruise control:

TCC mode word 1:
TCC is being forced off
TCC enable solenoid valid
Low threshold for COPETCC selected
Use hyst. for vehicle speed
TCC is in release mode, slipping
TCC is in locked-adjust mode
TCC is being applied
Negative slip recently prevents apply

TCC mode word 2:
TCC PWM is on
• Perform release
Perform apply
Min. threshold occurred
TCC Bus. is valid
NDT occurs
Delay is in progress
Min. throttle occured

IOD port A:
Glow plug relay - Closed/Open
• Stepper motor inhibit - Run/Inhibit
Service Throttle Lamp - On/Off
• EGR vent enable - On/Off
Shift A - On/Off
• Shift B - On/Off
TCC enable - On/Off (4L60E only)
• Force Motor enable - On/Off

IOD SOD status register:
Coolant temp. pullup select - On/Off
• Trans. temp. pullup select - On/Off
Fuel calibration temp. select - On/Off
Check Engine Lamp - On/Off
PWM1 - Reset/Normal
PWM2 - Reset/Normal
PWM3 - Reset/Normal
PWM4 - Reset/Normal

System status word:
FM shut off due to low battery
Force Motor pulse in progress
• Power is On/Off
COP2 is being serviced
Delco instrumentation PROM
• Powertrain is in motion

Discrete flags:
Brake - On/Off
A/C Compressor - Engaged/Disengaged
Power enrichment - Active/Inactive
Kickdown pattern - Active/Inactive
Four-Wheel Drive Low - Active/Inactive
Cruise low - Active/Inactive
Diagnostic - Requested/Not requested


__________________________________________________________________
 
Snapshot created 6/11/2009 9:30:51 AM
__________________________________________________________________
ENGINE SENSORS
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
Engine run time: 00:12:01
Boost pressure (MAP): 15.58 PSI
Desired EGR: 6.6 PSI
Desired idle: 806 RPM
EGR pressure: 6.67 PSI
EGR duty cycle: 71.9 %
Engine coolant temp: 192.9 F°
Engine speed: 1388 RPM
Glow plug relay feedback: 0.1 Volts
Glow plug voltage: 0.2 Volts
Ignition voltage: 13.3 Volts
Wastegate duty cycle: 78.5 %

__________________________________________________________________
INFORMATION SENSORS
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
PCM Calibration ID: 4805
Current DTCs: 0
Accel. ped. pos. 1: 0.9 Volts
Accel. ped. pos. 2: 4.18 Volts
Accel. ped. pos. 3: 3.9 Volts
Barometric pressure (BARO): 13.5 PSI
Battery voltage: 13.3 Volts
Fuel temperature: 84.3 F°
Intake air temp: 87.6 F°
Throttle position: 10 %
Turbo boost (Calculated): 2.08 PSI
Voltage reference sensor: 1.3 Volts

__________________________________________________________________
INJECTION PUMP SENSORS
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
Actual injection pump timing: 36.26 Deg °
Cam reference missed: 0 Counts
Crank reference missed: 0 Counts
Fuel calibration: 150 Counts
Fuel rate: 17.19 mm³
Fuel rate - Cruise: 0 mm³
Fuel rate - Idle: 0 mm³
Fuel rate - Maximum transient: 66.25 mm³
Fuel rate - Throttle requested: 20.62 mm³
Injection pulse width: 1.88 ms
Injection timing - Measured: 13.7 Deg °
Injection timing - Desired: 13.6 Deg °
TDC offset: -1.23 Deg °

__________________________________________________________________
TRANSMISSION SENSORS
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
3-2 PWM solenoid duty cycle: 0 %
Cruise target speed: 0 MPH
Cruise speed error: 0 MPH
Current gear of transmission: 4 Gear
Current torque signal pressure: 25 PSI
Current transmission ratio: 1:0.06 Ratio
Error between desired and actual shift times for latest 1-2 upshift: 6.18 Sec
Error between desired and actual shift times for latest 2-3 upshift: 0.18 Sec
Force motor (PCS) - Duty cycle: 33.2 %
Force motor (PCS) - Feedback current: 0.64 Amps
Force motor (PCS) - Reference current: 0.64 Amps
Time of latest 1-2 upshift: 0.52 Sec
Time of latest 2-3 upshift: 0.12 Sec
TCC PWM solenoid duty cycle: 0 %
TCC slippage: 188 RPM
Transmission input speed: 1613 RPM
Transmission output speed: 1611 RPM
Transmission temperature: 111.2 F°
Turbine speed: 1210 RPM
Vehicle speed: 43 MPH

__________________________________________________________________
STATUS FLAGS
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
Shift lever:
Drive 4

Cruise control:

TCC mode word 1:
TCC is being forced off
TCC enable solenoid valid
Low threshold for COPETCC selected
• Use hyst. for vehicle speed
TCC is in release mode, slipping
TCC is in locked-adjust mode
TCC is being applied
Negative slip recently prevents apply

TCC mode word 2:
TCC PWM is on
• Perform release
Perform apply
Min. threshold occurred
TCC Bus. is valid
NDT occurs
Delay is in progress
Min. throttle occured

IOD port A:
Glow plug relay - Closed/Open
• Stepper motor inhibit - Run/Inhibit
Service Throttle Lamp - On/Off
• EGR vent enable - On/Off
• Shift A - On/Off
• Shift B - On/Off
TCC enable - On/Off (4L60E only)
• Force Motor enable - On/Off

IOD SOD status register:
Coolant temp. pullup select - On/Off
• Trans. temp. pullup select - On/Off
Fuel calibration temp. select - On/Off
Check Engine Lamp - On/Off
PWM1 - Reset/Normal
PWM2 - Reset/Normal
PWM3 - Reset/Normal
PWM4 - Reset/Normal

System status word:
FM shut off due to low battery
Force Motor pulse in progress
• Power is On/Off
COP2 is being serviced
Delco instrumentation PROM
• Powertrain is in motion

Discrete flags:
Brake - On/Off
• A/C Compressor - Engaged/Disengaged
Power enrichment - Active/Inactive
Kickdown pattern - Active/Inactive
Four-Wheel Drive Low - Active/Inactive
Cruise low - Active/Inactive
Diagnostic - Requested/Not requested


__________________________________________________________________
 
Just spoke with Matt at Champion trans here in CT(also a DTR member) He said it's bee awhile but he "thinks" the 4l80e has two and on the diesel the rear one isn't used and I could swap them ? Anybody know ? BTW He was going to cut me a very good deal on doing the tranny if I did it.
 
It's an 8 lug burb so possibly 3.73s ? Best part is in the ad the guy says it has 300Hp. Boy did I have fun ripping that apart. Truck is complely stock. IIRC the warranty is still good on the IP. Anybody got a dead PMD laying around I can bolt on it ? Can you change the PMD without pulling the IP ? This way I can get the IP replaced for free...:devil:

Some have done it, some have tried and failed. Those who did it had to use cut-down tools to access the PMD. I have so little clearance that I was one who tried (2x) and just gave up. Didn't want to yank the intake manifold. I went with a new PMD with SS cooler (hand-torqued and sealed) with Kennedy harness on the burb, and bought the Heath unit for the Tahoe.

Good luck!

-Rob :)
 
Hey Kenny,

It's entirely possible your tranny is OK. I'm just remembering how the brakes on the burb were locked up and when I put the burb in drive, the brakes went "BANG!". I could have sworn I broke something, but a thorough exam reveals nothing broken, and burb drives and stops just fine. It was simply the rear e-brakes popping the rust off the drums when I started driving.

It's not the same as your issue, but my point is that some things can go "BANG!" and sometimes it doesn't hurt anything.

Good luck,

-Rob :)
 
Oyyyy. Well I don't want to get my hopes up but I just took the truck for a cruise and it is shifting fine though all gears and GMTDScan shows a historic code 72 VSS ? Is that my problem ? No WAY can I be this lucky.


Still gotta buy that burb! Ditch the Honda... Go triple 6.5's.
 
well put the new VSS in and it seems fine. I cleared the code and so far has not come back and trans is shifting fine. No way can I get off that lucky.
Here's the brainteaser, If I had just ran the truck down to Aamco would they have found it or just charged me for a tranny rebuild....Hmmmmm
This is why you need to do things yourself.
 
well put the new VSS in and it seems fine. I cleared the code and so far has not come back and trans is shifting fine. No way can I get off that lucky.
Here's the brainteaser, If I had just ran the truck down to Aamco would they have found it or just charged me for a tranny rebuild....Hmmmmm
This is why you need to do things yourself.

When I blew reverse out, they fixed it and supposedly did the upgrades and rebuit the entire thing...

They called me with a transfer case leak, and said 3-400 to rebuild.

I finally found it, and simply torqued the output shaft bolt down. I think they loosened it to make it leak.

Tranny is fine though.... Gonna switch that and T-case and front diff all to Amsoil this summer.
 
well put the new VSS in and it seems fine. I cleared the code and so far has not come back and trans is shifting fine. No way can I get off that lucky.
Here's the brainteaser, If I had just ran the truck down to Aamco would they have found it or just charged me for a tranny rebuild....Hmmmmm
This is why you need to do things yourself.

AAmco in East Hartford? years ago, I took a K-10 to them with a 4 speed that was making all types of noise when it warmed up. I had to borrow a truck to continue working while it was there for a week. They were supposed to pull it, and rebuild it, but all they did was change the fluid in it and let it sit. I was still making noise by the time I got home with it(a week later). I called Aamco's national complaint line, and they got me a full refund from the east hartford franchise. I took it to J & B Transmissions in Glastonbury, that had it fully rebuilt in 3 days......
by the way, if you need the PMD, you have my number......and I am glad it turned out ok,
Marc
 
If you have ever had a THM400 apart you will be right at home with the 4L80E. The majority of the rotating parts in the 4L80E are taken directly from the THM400. I am not a tranny tech but I did take it in tech school as part of the mechanics course. I managed to remove, rebuild and install a 2WD 4L80E in two partial afternoons with muscle help from the trucks owner. Some of the hard parts on his truck were worn bad and we replaced them with readily available and cheap THM400 used parts from the local tranny shop. I used a book I still have from school and purchased an inexpensive 4L80E specific rebuilders book to help with the work. We did a very extensive and picky rebuild on the truck for less than $600 including an exchange/rebuilt converter. There are a few special tools that would have made installing some of the clutches, pistons and o-rings easier but we managed easily with normal hand tools and a few quickie home made tools that were created as we needed them. Access to a press made it easier but I am sure we would have managed with a bottle jack, only needed to compress the springs in a couple of the piston assemblies to remove snap rings. A plastic butter knife worked fine to assemble some of the o-ring/piston assemblies together. The valve bodies on the newer transmissions actually seem simpler than the old mechanical/hydraulic units. There are two center supports in a 4L80E vs the single support in the THM400. They are no more intimidating or tough to do than the THM400.

Seems like a no-brainer to me if you have any past experience with the THM400 at all.
 
If you have ever had a THM400 apart you will be right at home with the 4L80E. The majority of the rotating parts in the 4L80E are taken directly from the THM400. I am not a tranny tech but I did take it in tech school as part of the mechanics course. I managed to remove, rebuild and install a 2WD 4L80E in two partial afternoons with muscle help from the trucks owner. Some of the hard parts on his truck were worn bad and we replaced them with readily available and cheap THM400 used parts from the local tranny shop. I used a book I still have from school and purchased an inexpensive 4L80E specific rebuilders book to help with the work. We did a very extensive and picky rebuild on the truck for less than $600 including an exchange/rebuilt converter. There are a few special tools that would have made installing some of the clutches, pistons and o-rings easier but we managed easily with normal hand tools and a few quickie home made tools that were created as we needed them. Access to a press made it easier but I am sure we would have managed with a bottle jack, only needed to compress the springs in a couple of the piston assemblies to remove snap rings. A plastic butter knife worked fine to assemble some of the o-ring/piston assemblies together. The valve bodies on the newer transmissions actually seem simpler than the old mechanical/hydraulic units. There are two center supports in a 4L80E vs the single support in the THM400. They are no more intimidating or tough to do than the THM400.

Seems like a no-brainer to me if you have any past experience with the THM400 at all.
I rebuild a NV 5600 out of my brothers dodge years ago(funny looking thing),was a bit of a challenge,I even had to build a 40 ton press to get it done.Still going today.
 
well so far so good. If I come across a dead 4l80e I may grab it to practice on.
On a side note took the burb for a spin. Really gotta get wifey to like it. The thing is showroom condtion. Even the fuel lines aren't rusty. UNheard of for a new england truck. It runs and drives like brand new
 
Ask him how it starts on Ether, see what he says :)

Tranny farted, you almost bought a Ford, now your full swing the other way lookin at another 6.5!!

I LOVE IT!
 
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