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| Drag Racing Where ALL Racers are Welcome- From ET Bracket, all the way to ProStreet and Top Diesel! |
04-10-2022, 09:35 PM
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#1
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Name: pipeliner134
Title: Rookie
Status: Not Here
Join Date: Jul 2015
Member`s Gallery
Posts: 5
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Twisted input
I have a slight twist in my billet input shaft. Would you guys worry about it? I have roughly 700 hp compound turbo 4wd 12 valve. Runs 12.1 @112. Want to get it into the 11s with just some tuning and better driving hopefully. So not going to throw much more power to it.
Last edited by pipeliner134; 04-10-2022 at 09:37 PM.
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04-14-2022, 09:47 PM
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#2
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Name: RacinDuallie
Title: Black Sheep Racing
Status: Not Here
Join Date: Apr 2006
Location: Supporting Northeast Diesel Racing
Member`s Gallery
Posts: 17,369
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On the cusp of failure. If you wish to save some dollars against broken trans parts. I would replace.
__________________
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04-15-2022, 07:15 AM
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#3
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Name: Snedge
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Sep 2006
Location: Western Pa.
Member`s Gallery
Posts: 18,859
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Quote:
Originally Posted by RacinDuallie
On the cusp of failure. If you wish to save some dollars against broken trans parts. I would replace.
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This. Fix it while you're looking at it. It's bad, and you where lucky to catch it before it hurt anything.
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04-15-2022, 02:53 PM
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#4
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Name: bateman
Title: Too Much Time
Status: Not Here
Join Date: Feb 2019
Location: Alabama
Member`s Gallery
Posts: 2,675
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Whose shaft? Little surprised to see that at 700hp
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04-15-2022, 03:13 PM
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#5
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Name: Snedge
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Sep 2006
Location: Western Pa.
Member`s Gallery
Posts: 18,859
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Quote:
Originally Posted by bateman
Whose shaft? Little surprised to see that at 700hp
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Like 700 HP is nothing ?  A compound turbo launch of a heavy truck, even at a measly 700 hp is a shit ton of stress. We have no idea how many passes the OP has made. This didn't just happen in one pass.
I am glad my job in life isn't to be an input shaft.
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04-15-2022, 03:42 PM
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#6
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Name: bateman
Title: Too Much Time
Status: Not Here
Join Date: Feb 2019
Location: Alabama
Member`s Gallery
Posts: 2,675
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Quote:
Originally Posted by Snedge
Like 700 HP is nothing ? A compound turbo launch of a heavy truck, even at a measly 700 hp is a shit ton of stress. We have no idea how many passes the OP has made. This didn't just happen in one pass.
I am glad my job in life isn't to be an input shaft. |
I understand and I’m not the best with words so I could’ve put it different and sounded better. Lots of people beating the shit out of trans with that power or more. Just curious what and how.
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04-15-2022, 03:58 PM
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#7
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Name: Snedge
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Sep 2006
Location: Western Pa.
Member`s Gallery
Posts: 18,859
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Quote:
Originally Posted by bateman
I understand and I’m not the best with words so I could’ve put it different and sounded better. Lots of people beating the shit out of trans with that power or more. Just curious what and how.
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You're fine with words, I'm just jaded. Only because I remember when 500 horsepower was a nearly unattainable goal, so in these days of the "daily driven" 1000 hp trucks it just rattles my old brain.
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04-15-2022, 05:05 PM
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#8
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Name: bateman
Title: Too Much Time
Status: Not Here
Join Date: Feb 2019
Location: Alabama
Member`s Gallery
Posts: 2,675
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No lie there. I have to go back to my old LSx days and remember that 700hp is no joke haha
Might be a pretty heavy truck looking at that 112mph trap.
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04-15-2022, 08:17 PM
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#9
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Name: jasonc
Title: Too Much Time
Status: Not Here
Join Date: Nov 2009
Member`s Gallery
Posts: 4,412
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4x4 launches hook real good, but are more expensive.
My old 2wd truck ran quick on a stock sized billet input, learned that don't work trying to go fast 4x.
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04-15-2022, 08:46 PM
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#10
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Name: thatguy69
Title: Too Much Time
Status: Not Here
Join Date: Jul 2011
Location: Mansfield Ohio
Member`s Gallery
Posts: 2,023
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Quote:
Originally Posted by jasonc
4x4 launches hook real good, but are more expensive.
My old 2wd truck ran quick on a stock sized billet input, learned that don't work trying to go fast 4x.
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Leaving at how many pounds?
__________________
1999 Compound 24v Rust Rocket
2008 F350 P24v/Allison
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04-15-2022, 09:55 PM
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#11
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Name: RacinDuallie
Title: Black Sheep Racing
Status: Not Here
Join Date: Apr 2006
Location: Supporting Northeast Diesel Racing
Member`s Gallery
Posts: 17,369
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Quote:
Originally Posted by Snedge
You're fine with words, I'm just jaded. Only because I remember when 500 horsepower was a nearly unattainable goal, so in these days of the "daily driven" 1000 hp trucks it just rattles my old brain.
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We was just having a discussion about this.....
I have a post on tdr way back in the day where i said 1000hp trucks will be sitting next to you at a traffic light, looking like a farm truck......
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04-15-2022, 09:57 PM
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#12
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Name: J-Pipes
Title: Too Much Time
Status: Not Here
Join Date: Jan 2012
Location: Ohio
Member`s Gallery
Posts: 4,575
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Quote:
Originally Posted by Snedge
I am glad my job in life isn't to be an input shaft.
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Really? That's been one of my absolute favorite jobs, momma wants another baby! Sure are fun to make!
Sent from my SM-G991U using Tapatalk
__________________
2000 Dodge ext cab short bed, 6spd.
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04-15-2022, 10:51 PM
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#13
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Name: pipeliner134
Title: Rookie
Status: Not Here
Join Date: Jul 2015
Member`s Gallery
Posts: 5
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Its a tcs Canada billet. Leaving at 20lbs 1.9 60' lol. 4 passes on it. What should I replace it with? Don't really want to go to an oversize and change pump and converter.
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04-16-2022, 06:22 AM
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#14
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Name: jasonc
Title: Too Much Time
Status: Not Here
Join Date: Nov 2009
Member`s Gallery
Posts: 4,412
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Quote:
Originally Posted by thatguy69
Leaving at how many pounds?
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Around 25
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05-09-2022, 10:49 AM
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#15
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Name: Big Blue24
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Jan 2008
Location: Cedar City, UT
Member`s Gallery
Posts: 6,310
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Quote:
Originally Posted by pipeliner134
I have a slight twist in my billet input shaft. Would you guys worry about it? I have roughly 700 hp compound turbo 4wd 12 valve. Runs 12.1 @112. Want to get it into the 11s with just some tuning and better driving hopefully. So not going to throw much more power to it.
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I've ran worse, sometimes they (TCS) seem to work harden after a little twisting and they stay put for a few more years of abuse. They usually fail rapidly once they are misaligned about 2.75 to 3 splines.
Sometimes around 1.5 splines of misalignment they start pushing the converter out toward the flexplate and thrusting the input inward and more quickly wear out thrust components and open up endplay.
__________________
95' 2wd Junker Drag Truck
1502 HP Fuel-Only 12mm P7100 Pump
SXE 472 over GTX55 116mm 
OEM 12v Block 
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06-13-2022, 06:20 PM
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#16
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Name: pipeliner134
Title: Rookie
Status: Not Here
Join Date: Jul 2015
Member`s Gallery
Posts: 5
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Thanks for all the replies. I ended up trying a goerend billet input and freshening up the trans. No runs yet but we shall see what use the goerend can handle. Not that my truck will really test it.
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