47re: loud pop and no forward gears, but has reverse. - Competition Diesel.Com

SPEEDSHIFT · 03-31-2018, 06:39 AM

Went out to the track for some testing last night and broke something in the transmission. I am just trying to figure out what i may be getting into.

Left the line at about 20lbs of boost on a really sticky track, and sprayed the truck at WOT. Hit second gear and locked the converter and had a loud, violent “pop” and the truck lost all forward gears. Got the track officials to pull me to the pits and found out reverse works fine, granted i didnt drive it around.

My initial thought was i broke an input shaft, but since reverse works i am kinda stumped. Anybody have any ideas on what could have broke? Planetary? Band?

I appreciate the help!

Mudn_1 · 03-31-2018, 07:49 AM

Could be an Intermediate. When I broke one, I had reverse if I remember correctly

kole32 · 03-31-2018, 07:52 AM

Yep, sounds like intermediate shaft

Sent from my iPhone using Tapatalk

SPEEDSHIFT · 03-31-2018, 08:08 AM

10-4 thanks guys. Dont they make a little better input shaft than regular billet?

SPEEDSHIFT · 03-31-2018, 08:48 AM

Quote:

Originally Posted by SPEEDSHIFT

10-4 thanks guys. Dont they make a little better input shaft than regular billet?

Intermediate shaft*

Is the Maraging shaft twice as good as the standard 300m billet. $1040 ugh...

Redrider2911 · 03-31-2018, 09:09 AM

I too broke my intermediate about 3 months ago, also took out my rear end gears in the process. Had reverse, no forward.

SPEEDSHIFT · 04-01-2018, 09:15 PM

Well, yall were right!

Clean break at the intermediate shaft. Nothing else was hurt.

Dom_c13b · 04-01-2018, 10:45 PM

Interesting, I've broken two down at the other end right where the selective spacer is. Wonder what causes the breaks to happen in different places. Glad you got it figured out, time to pony up for the expensive shaft!

thatguy69 · 04-02-2018, 12:40 AM

Did it pop when it was trying shifting into third?

Sent from my SM-N910V using Tapatalk

SPEEDSHIFT · 04-02-2018, 07:41 AM

Quote:

Originally Posted by Dom_c13b

Interesting, I've broken two down at the other end right where the selective spacer is. Wonder what causes the breaks to happen in different places. Glad you got it figured out, time to pony up for the expensive shaft!

Problem is I have a standard TCS input shaft in this trans also, I should probably upgrade both to an Aremet input and Maraging intermediate.

SPEEDSHIFT · 04-02-2018, 07:43 AM

Quote:

Originally Posted by thatguy69

Did it pop when it was trying shifting into third?

Sent from my SM-N910V using Tapatalk

It broke on the 1-2 shift/converter lock. I spray at WOT so, that didnt help either.

Dom_c13b · 04-02-2018, 02:08 PM

Mine have both broke while staging/at the line.

SPEEDSHIFT · 04-03-2018, 06:24 AM

Heres a video.

https://www.youtube.com/watch?v=ZbjHX4bAhMI

SPEEDSHIFT · 04-05-2018, 08:44 AM

Anybody have an idea what is going on with these marks on the bellvue spring? Looks like it is hitting on the step plate for the clutches. How can I fix it?

jasonc · 04-05-2018, 10:20 AM

I can't see the pic clear on my phone, does it look like it's bending? I had to go with a "billet" bell spring with mine to solve that issue.

SPEEDSHIFT · 04-05-2018, 11:33 AM

Quote:

Originally Posted by jasonc

I can't see the pic clear on my phone, does it look like it's bending? I had to go with a "billet" bell spring with mine to solve that issue.

It looks like it is rubbing on something.

thatguy69 · 04-05-2018, 03:07 PM

How much line pressure are you running? Like the guy above said, I think they tend to wanna collapse over 200psi

Sent from my SM-N910V using Tapatalk

SPEEDSHIFT · 04-05-2018, 03:54 PM

Quote:

Originally Posted by thatguy69

How much line pressure are you running? Like the guy above said, I think they tend to wanna collapse over 200psi

Sent from my SM-N910V using Tapatalk

I have no idea what the pressure is set at. I use an unmodified Georend FMVB.

jasonc · 04-05-2018, 05:00 PM

Quote:

Originally Posted by SPEEDSHIFT

I have no idea what the pressure is set at. I use an unmodified Georend FMVB.

I'd check pressure with a gauge especially after breaking the intermediate and bending the bell spring. I drilled a hole in the trans case and tapped it for a npt plug for access to the pressure screw without dropping pan.

thatguy69 · 04-05-2018, 09:03 PM

Quote:

Originally Posted by jasonc

I'd check pressure with a gauge especially after breaking the intermediate and bending the bell spring. I drilled a hole in the trans case and tapped it for a npt plug for access to the pressure screw without dropping pan.

Post pics of said access hole would you, I planned on doing this but seeing pics would be nice

Sent from my SM-N910V using Tapatalk

03-31-2018, 06:39 AM	#1
SPEEDSHIFT Name: SPEEDSHIFT Title: Too Much Time Status: Not Here Join Date: Jan 2007 Location: San Antonio, TX Member`s Gallery Posts: 5,978	47re: loud pop and no forward gears, but has reverse. Went out to the track for some testing last night and broke something in the transmission. I am just trying to figure out what i may be getting into. Left the line at about 20lbs of boost on a really sticky track, and sprayed the truck at WOT. Hit second gear and locked the converter and had a loud, violent “pop” and the truck lost all forward gears. Got the track officials to pull me to the pits and found out reverse works fine, granted i didnt drive it around. My initial thought was i broke an input shaft, but since reverse works i am kinda stumped. Anybody have any ideas on what could have broke? Planetary? Band? I appreciate the help! __________________ @bodie_armstrong 2003 2500 4x4 auto FOR SALE 2005 2500 4x4 auto Drag Truck 2013 3500 4x4 Aisin Dually Tow Rig Tenacity Tuning, Longs Machine Shop, BD Diesel Performance

03-31-2018, 07:49 AM	#2
Mudn_1 Name: Mudn_1 Title: Sweet Home Status: Not Here Join Date: Apr 2007 Location: Trussville Member`s Gallery Posts: 5,290	Could be an Intermediate. When I broke one, I had reverse if I remember correctly __________________ "One Up'N The Competition" https://www.facebook.com/pages/Diese...73404032829197

03-31-2018, 07:52 AM	#3
kole32 Name: kole32 Title: Too Much Time Status: Not Here Join Date: Oct 2012 Location: Knox, IN Member`s Gallery Posts: 569	Yep, sounds like intermediate shaft Sent from my iPhone using Tapatalk __________________ 1993 w250, 215hp pump benched by Seth. 5ks. Hamilton valve springs, colt 181/218 cam, fire ringed head. Airdog 150 at 45psi torktek ofv 6x16 injectors, timing is roughly 30*. S366 soon to have a s475 with it.

03-31-2018, 08:08 AM	#4
SPEEDSHIFT Name: SPEEDSHIFT Title: Too Much Time Status: Not Here Join Date: Jan 2007 Location: San Antonio, TX Member`s Gallery Posts: 5,978	10-4 thanks guys. Dont they make a little better input shaft than regular billet? __________________ @bodie_armstrong 2003 2500 4x4 auto FOR SALE 2005 2500 4x4 auto Drag Truck 2013 3500 4x4 Aisin Dually Tow Rig Tenacity Tuning, Longs Machine Shop, BD Diesel Performance

03-31-2018, 09:09 AM	#6
Redrider2911 Name: Redrider2911 Title: Too Much Time Status: Not Here Join Date: Nov 2015 Location: Yakima, WA Member`s Gallery Posts: 780	I too broke my intermediate about 3 months ago, also took out my rear end gears in the process. Had reverse, no forward. __________________ 49 Willys Pickup. 5600lb. 11.8sec @115mph 1/4. 12 valve. MegaSquirted 47RH. 3.54 posi rear. 35" tires. 64mm HE351ve, S475 (75/96/1.32), A/W Intercooler. AFC mods. 5x16s. 191 DVs, 180 pump. 23*. 85psi. Build Thread

04-01-2018, 09:15 PM	#7
SPEEDSHIFT Name: SPEEDSHIFT Title: Too Much Time Status: Not Here Join Date: Jan 2007 Location: San Antonio, TX Member`s Gallery Posts: 5,978	Well, yall were right! Clean break at the intermediate shaft. Nothing else was hurt. __________________ @bodie_armstrong 2003 2500 4x4 auto FOR SALE 2005 2500 4x4 auto Drag Truck 2013 3500 4x4 Aisin Dually Tow Rig Tenacity Tuning, Longs Machine Shop, BD Diesel Performance

04-01-2018, 10:45 PM	#8
Dom_c13b Name: Dom_c13b Title: Diesel Enthusiast Status: Not Here Join Date: Oct 2012 Location: Freeport, Maine Member`s Gallery Posts: 125	Interesting, I've broken two down at the other end right where the selective spacer is. Wonder what causes the breaks to happen in different places. Glad you got it figured out, time to pony up for the expensive shaft! __________________ 06 SCLB. Built 48re, ATS Twin cp3, s369sxe, Fass 220, Hamilton 188/220, 110# springs, DDP 220's, Big valve head, .40 over, 12v rods, balanced rotating assembly. etc.. TenacityTuning@Yahoo.com facebook.com/TenacityTuning

04-02-2018, 12:40 AM	#9
thatguy69 Name: thatguy69 Title: Too Much Time Status: Not Here Join Date: Jul 2011 Location: Mansfield Ohio Member`s Gallery Posts: 2,023	Did it pop when it was trying shifting into third? Sent from my SM-N910V using Tapatalk __________________ 1999 Compound 24v Rust Rocket 2008 F350 P24v/Allison

04-02-2018, 02:08 PM	#12
Dom_c13b Name: Dom_c13b Title: Diesel Enthusiast Status: Not Here Join Date: Oct 2012 Location: Freeport, Maine Member`s Gallery Posts: 125	Mine have both broke while staging/at the line. __________________ 06 SCLB. Built 48re, ATS Twin cp3, s369sxe, Fass 220, Hamilton 188/220, 110# springs, DDP 220's, Big valve head, .40 over, 12v rods, balanced rotating assembly. etc.. TenacityTuning@Yahoo.com facebook.com/TenacityTuning

04-03-2018, 06:24 AM	#13
SPEEDSHIFT Name: SPEEDSHIFT Title: Too Much Time Status: Not Here Join Date: Jan 2007 Location: San Antonio, TX Member`s Gallery Posts: 5,978	Heres a video. https://www.youtube.com/watch?v=ZbjHX4bAhMI __________________ @bodie_armstrong 2003 2500 4x4 auto FOR SALE 2005 2500 4x4 auto Drag Truck 2013 3500 4x4 Aisin Dually Tow Rig Tenacity Tuning, Longs Machine Shop, BD Diesel Performance

04-05-2018, 08:44 AM	#14
SPEEDSHIFT Name: SPEEDSHIFT Title: Too Much Time Status: Not Here Join Date: Jan 2007 Location: San Antonio, TX Member`s Gallery Posts: 5,978	Anybody have an idea what is going on with these marks on the bellvue spring? Looks like it is hitting on the step plate for the clutches. How can I fix it? __________________ @bodie_armstrong 2003 2500 4x4 auto FOR SALE 2005 2500 4x4 auto Drag Truck 2013 3500 4x4 Aisin Dually Tow Rig Tenacity Tuning, Longs Machine Shop, BD Diesel Performance

04-05-2018, 10:20 AM	#15
jasonc Name: jasonc Title: Too Much Time Status: Not Here Join Date: Nov 2009 Member`s Gallery Posts: 4,412	I can't see the pic clear on my phone, does it look like it's bending? I had to go with a "billet" bell spring with mine to solve that issue.

04-05-2018, 03:07 PM	#17
thatguy69 Name: thatguy69 Title: Too Much Time Status: Not Here Join Date: Jul 2011 Location: Mansfield Ohio Member`s Gallery Posts: 2,023	How much line pressure are you running? Like the guy above said, I think they tend to wanna collapse over 200psi Sent from my SM-N910V using Tapatalk __________________ 1999 Compound 24v Rust Rocket 2008 F350 P24v/Allison