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Drag Racing Where ALL Racers are Welcome- From ET Bracket, all the way to ProStreet and Top Diesel! |
12-10-2011, 05:35 AM
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#1
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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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Broken Dana 70 Axle with street tires
My 95' 2wd ate the driver's side axle tonight at the track. It broke right at the splines in the side gear at the carrier.
What's interesting is that I was not running slicks, just some well-worn 33" Wrangler MTR's. The track was slick and it hopped a little at the line, it probably broke around the 330' mark on my 4th or 5th attempt to pedal it.
All I can say is the driver of that yellow Honda was lucky I didn't have two good axles...
http://www.youtube.com/watch?v=UZ4nEl6aWig
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95' 2wd Junker Drag Truck
1502 HP Fuel-Only 12mm P7100 Pump
SXE 472 over GTX55 116mm
OEM 12v Block
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12-10-2011, 06:10 AM
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#2
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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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Here,
Let's try the video link one more time:
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95' 2wd Junker Drag Truck
1502 HP Fuel-Only 12mm P7100 Pump
SXE 472 over GTX55 116mm
OEM 12v Block
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12-10-2011, 06:58 AM
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#3
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Name: dunndealin
Title: Diesel Enthusiast
Status: Not Here
Join Date: Jul 2010
Location: Sanford, FL
Member`s Gallery
Posts: 135
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ummm yea that ricer was breakfast if u would have had both sides pulling!!!
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12-10-2011, 07:41 AM
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#4
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Name: cumminsmannow
Title: lost
Status: Not Here
Join Date: Apr 2009
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Posts: 303
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Whats with him backing up and pulling forward like 3-4 times. Did he think he was staging too deep or what?
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2006 megacab 2500 stock tow rig
2005 dodge ram 3500 cummins, 2.8 class, missing cp3 70lpm sticks, smarty ssr (kinda) 766/1744. huge thanks to JAGS PRO TRUCK SHOP for all the help!
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12-10-2011, 09:45 AM
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#5
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Name: NickTF
Title: Single turbo turd.
Status: Not Here
Join Date: Jun 2007
Location: Laurel, DE
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Posts: 5,887
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Sorry to hear of the breakage. On and off throttle much like wheel hop is really hard on stuff.
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97 12v sold. 2015 Power Wagon DD!
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12-10-2011, 09:58 AM
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#6
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Name: Krazeeun
Title: Hardway Performance
Status: Not Here
Join Date: Feb 2008
Location: Fort Walton Beach, FL
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Posts: 2,369
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shock load equals parts explode
__________________
RYAN MILLIKEN
I WILL NOT KEEP CALM
I WILL RAISE HELL AND BREAK ****
'14 Ram SCSB Pro-Street "MiniWheat" - 5.299ET@136.49MPH/4515#
'66 Nova X275 4.289@170.8/3430#
'69 Nova X275 .... still on pro jacks
KNOWLEDGE IS POWER
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12-10-2011, 10:47 AM
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#7
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Name: lorendiesel5.9
Title: OG Hunnybadger
Status: Not Here
Join Date: Apr 2009
Location: NE IA or the lower 48
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Posts: 3,909
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Man wish I knew you were racing last night. I pulled into vegas about 8pm last night.
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Rest in Peace Dex aka BFD99 6/2/12
97 #12vqclbmafia slipping auto
00 Pete 378 12.7 Detroit 10spd
03 Pete 379 6NZ Caterpillar 18spd
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12-10-2011, 07:58 PM
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#8
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Name: YOUNG GUNS15
Title: Im AWESOME!!!!
Status: Not Here
Join Date: Sep 2009
Location: Utah
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Posts: 7,346
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Glad i have a dana 80
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Spence
-1994 4x4 12 valve 13mm, single 475 748/1292 Fuel 872/1470 N2O
-2005 4x4 12 valve CCSB 3rd gen '12-rail' 280hp
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12-10-2011, 10:18 PM
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#9
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Name: JQmile
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Nov 2006
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Posts: 6,976
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I've had some people warn me about my 70....now you got me worried :P
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89 Dodge 972rwhp on the hose, still a VE!
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12-11-2011, 12:21 AM
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#10
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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 JQmile
I've had some people warn me about my 70....now you got me worried :P
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The more times I watch the video, the more I don't think it was excessive hop at the starting line. I think it broke more like 330' out when it wasn't hopping too much, just spinning so I lifted a few times.
I guess my next step is to carefully examine the other axle and see if they were starting twist before this one let go.
I admit, I didn't think it was possible to break a Dana 70 at the super smooth drag strip with street tires. The track was cold, probably 50*F with air temp in the mid 40's so traction was non-existent.
I know sled pullers won't even waste their time with the Dana 70, so it's no special feat to break one. I just didn't think it was possible with my lighter weight setup.
__________________
95' 2wd Junker Drag Truck
1502 HP Fuel-Only 12mm P7100 Pump
SXE 472 over GTX55 116mm
OEM 12v Block
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12-11-2011, 12:51 AM
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#11
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Name: JQmile
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Nov 2006
Member`s Gallery
Posts: 6,976
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Quote:
Originally Posted by Big Blue24
I know sled pullers won't even waste their time with the Dana 70, so it's no special feat to break one. I just didn't think it was possible with my lighter weight setup.
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x2....and I am launching off the transbrake....oh well, all I can do is try.
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89 Dodge 972rwhp on the hose, still a VE!
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12-11-2011, 06:45 AM
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#12
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Name: Stingpuller
Title: Too Much Time
Status: Not Here
Join Date: Feb 2007
Location: central Ohio
Member`s Gallery
Posts: 1,166
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Axles
When I was racing cars the only time I ever broke a axle was when I had street tires on the car. It was the same deal, It spun and snap went the axle. It had strange axles so they were not stock. It happened twice with street tires and never with race tires. Street tires I mean BFGoodrich not a street race type tire. If you run good tires and keep it from shaking/bounching I bet you will be fine. Jeff
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2007 GMC C4500 Regency Western Hauler and 235" POWERFLOW Dragster, Powerflow exhaust, 80mm Fleece turbo, Fleece injectors, On Track Auto front mount CP3, SoCal Diesel, Hughes powerglide, PTC converter, Nytrex nitrous,Isspro,FueLabs, Mike's Race Wiring, New Era Diesel, Hamilton Cam and all the guys at the shop
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12-11-2011, 01:56 PM
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#13
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Name: Toby Cashion
Title: diesel racer
Status: Not Here
Join Date: Aug 2010
Location: Rio Vista TX
Member`s Gallery
Posts: 210
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I have 2 axle shafts out of a 1st gen dana 70 i would be willing to donate. Dont no the spline count yet, there from a 89 cummins/727/3.08 dana 70.
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2010 6.4 King Ranch
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12-11-2011, 02:06 PM
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#14
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Name: 12vriviera
Title: That Guy with that car
Status: Not Here
Join Date: Mar 2009
Location: north texas
Member`s Gallery
Posts: 6,846
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makes me worry about my 40 year old buick 12 bolt now!!
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12-11-2011, 02:09 PM
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#15
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Name: JQmile
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Nov 2006
Member`s Gallery
Posts: 6,976
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Quote:
Originally Posted by Toby Cashion
I have 2 axle shafts out of a 1st gen dana 70 i would be willing to donate. Dont no the spline count yet, there from a 89 cummins/727/3.08 dana 70.
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I think those are a different spline...
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89 Dodge 972rwhp on the hose, still a VE!
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12-12-2011, 05:02 PM
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#16
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Name: ARS267
Title: Green Behind the Ears
Status: Not Here
Join Date: Nov 2008
Member`s Gallery
Posts: 61
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I have some 32 spline dana 70 shafts. there yours if you want them, just pay the shipping.
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12-12-2011, 06:14 PM
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#17
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Name: Dazed&Confused
Title: Surfing my own world
Status: Not Here
Join Date: Jun 2006
Location: Morning View Kentucky
Member`s Gallery
Posts: 2,533
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Quote:
Originally Posted by Toby Cashion
I have 2 axle shafts out of a 1st gen dana 70 i would be willing to donate. Dont no the spline count yet, there from a 89 cummins/727/3.08 dana 70.
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That's a D71 with 35 splines or should be. Not sure how different they are from the D70 I haven't pulled them and laid them side by side.
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Big Andy
1983/93 Dodge short bed Cummins toy
2001 Excursion Fummins project.
2004 CTS-V
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12-12-2011, 07:17 PM
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#18
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Name: oldestof11
Title: Drag racer
Status: Not Here
Join Date: Jul 2007
Location: Dixon, IL
Member`s Gallery
Posts: 9,084
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Studs: 35
Bolts: 32
This is for 1st Gens only. I cannot speak for 2nd gens.
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Jon
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12-17-2011, 12:18 AM
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#19
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Name: Lance
Title: Loner
Status: Not Here
Join Date: Nov 2007
Location: Albuquerque
Member`s Gallery
Posts: 293
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I broke a shaft just like that on mine too. So I upgraded to 35 spline Yukon shafts and a 35 spline detroit
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95 2500, 100 plate, 3800 washer mod, BHAF, Auto meter, TC lockup switch, Goerend trans, New Era 435s, water/meth, 6 inch lift, DT track bar, Irok Radial 41s with Staun beadlocks, Atlas springs, 4.10s, Detroit in rear, Lock right in the front
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