Fastest "stock" IRS 1/4 mile time ? - TCCoA Forums
 
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post #1 of 19 (permalink) Old 06-09-2012, 06:13 AM Thread Starter
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Fastest "stock" IRS 1/4 mile time ?

Anyone ?
Edit stock meaning modified rear but retaining the IRS set-up no solid axle swaps.Just curious.

Jason H.
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post #2 of 19 (permalink) Old 06-09-2012, 06:32 AM
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Define "stock" for the purpose of this question.

Mods? Yea, I got mods ...
Air silencer delete, warp drive, dilithium crystals, flux capacitor, Slingshot Rubber band power adder, Moonshine & Gas, Leaf Blower Supercharger, Hamster Wheel & Hamster, Energizer Bunny generating 1.21 gigawatts, Mr. Fusion® Home Energy Reactor, hover conversion and a sextant celestial navigation system (The original GPS)
Best 1/4: 1,320 nanoseconds @ 670,616,629.2 miles per hour

"There isn't that much difference anymore between spacecraft, aircraft and modern automobiles..." - Keith Henry, NASA's Langley Research Center
See a list of my real mods and pictures of my car HERE. The true performance of my car was made possible by the Carolinas Crew Chief, RobertP at Rob's Tire & Auto
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post #3 of 19 (permalink) Old 06-09-2012, 06:49 AM
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Exactly. Example, there is one Bird I know of within 1/20 second of 9s running the stock IRS. Granted most use air bags in the springs and aftermarket bushings, but the IRS subframe and halfshafts remain the same.

-Brandon
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post #4 of 19 (permalink) Old 06-09-2012, 07:04 AM
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Yeah Really

You've got a boat load of engine combo's too if that matters? 3.8 SC, 4.6 2v, 4.6 4V, 5.0, or 5.0 stroked small block derivatives.

I know I've seen one car go 9's two years ago at the shootout on the IRS if I'm not mistaken. Chris Lazzo's car. I'm sure it went a 9.97 or so, built and stroked small block Ford. I also know that Dave Niebert's built small block is very near breaking into the 9's last I saw. As far as the 4.6's Mike Siska's Allen SC IRS car has run in the 10.3 range. I've seen a SC IRS car (Chris Vining) go down in the 10.7 range. I suppose there could be others out there we don't know about.

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1996 Cougar XR7 Special Edition (Street & Strip)
"There's a bad, built NA 4.6L COMING Spring-Summer 2018"

Elite member of the Halfshaft snapping, Auburn eating, Tranny crunching, Piston Melting, Tire lifting, 500+ lb ft Torque Club.

Cougar ET-Stock 4.6 shortblock/Stock PI headswap Bullitt NA 12.94 @ 105+
Nitrous 11.75 @ 114 MPH

2008 Ford Powerstroke 6.4 TT F250 4X4 Supercrew: 12.82 @ 105 MPH

"IN MEMORY OF MY FRIENDS JOEL BENDER 1979-2006", JOHNNY LANGTON 1975-2011, and MICHAEL VIVERETTE 1953-2013"

Last edited by 1MTNCAT; 06-09-2012 at 07:11 AM.
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post #5 of 19 (permalink) Old 06-09-2012, 09:38 AM
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Yeah Lazzo and Neibert with their SBF's one centrifugal and one turbo. Neibert went a best of 10.04 so close to 9.

1995 SC------------------1994 SC----------------1993 LX
Black----------------------Red----------------------Grey
3.8-------------------------3.8w/bent rod---------5.0
4R70W--------------------M5R2--------------------AOD
2.4 AR in works---------2.0 Auto Rotor---------N/A
24psi----------------------15+----------------------none yet
450RWHP----------------322RWHP -------------who knows/who cares
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post #6 of 19 (permalink) Old 06-09-2012, 09:24 PM
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Here is Mike Burbank's 98 Lincoln Mark VIII running 10.67 ---- http://www.youtube.com/watch?v=xyqZ2M1JVdA ---- Has since ran a best 10.64

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post #7 of 19 (permalink) Old 06-09-2012, 10:04 PM
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Quote:
Originally Posted by 1MTNCAT View Post
You've got a boat load of engine combo's too if that matters? 3.8 SC, 4.6 2v, 4.6 4V, 5.0, or 5.0 stroked small block derivatives.

I know I've seen one car go 9's two years ago at the shootout on the IRS if I'm not mistaken. Chris Lazzo's car. I'm sure it went a 9.97 or so, built and stroked small block Ford. I also know that Dave Niebert's built small block is very near breaking into the 9's last I saw. As far as the 4.6's Mike Siska's Allen SC IRS car has run in the 10.3 range. I've seen a SC IRS car (Chris Vining) go down in the 10.7 range. I suppose there could be others out there we don't know about.
and to add to this list ...

RobertP (4.6 2v) is in the 10's - 10.9 and 10.75
Kevin Leitem (3.8 SC) has run 10.1

Mods? Yea, I got mods ...
Air silencer delete, warp drive, dilithium crystals, flux capacitor, Slingshot Rubber band power adder, Moonshine & Gas, Leaf Blower Supercharger, Hamster Wheel & Hamster, Energizer Bunny generating 1.21 gigawatts, Mr. Fusion® Home Energy Reactor, hover conversion and a sextant celestial navigation system (The original GPS)
Best 1/4: 1,320 nanoseconds @ 670,616,629.2 miles per hour

"There isn't that much difference anymore between spacecraft, aircraft and modern automobiles..." - Keith Henry, NASA's Langley Research Center
See a list of my real mods and pictures of my car HERE. The true performance of my car was made possible by the Carolinas Crew Chief, RobertP at Rob's Tire & Auto
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post #8 of 19 (permalink) Old 06-10-2012, 02:44 AM
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Quote:
Originally Posted by Trunk Monkey View Post
and to add to this list ...

RobertP (4.6 2v) is in the 10's - 10.9 and 10.75
Kevin Leitem (3.8 SC) has run 10.1
Kevin isn't on IRS anymore

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post #9 of 19 (permalink) Old 06-10-2012, 09:40 AM
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My IRS is completely stock to the axles and bushings oem ford 4.6 not super coupe, just have lowering springs 10.75

www.robstireandauto.com for all your car needs and parts
95 bird corn powered 735rwhp and 580 tq
86 bird vortech s trim
10.75 @128.38
95 bird - Vortech t trim
9.98 worlds fastest IRS 4.6 thunderbird
1/8 [email protected]
10.11 @ 139.19 best mph
1.47 best 60ft if I can get a full pass with this 60ftt
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post #10 of 19 (permalink) Old 06-10-2012, 10:11 AM
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Quote:
Originally Posted by RobertP View Post
My IRS is completely stock to the axles and bushings oem ford 4.6 not super coupe, just have lowering springs 10.75
So whats Supercoupe got to do with it? Its still stock MN12 stuff and its no stronger at the hubs than the standard MN12 stuff.

"Kevin isn't on IRS anymore"

Keith is correct. Kevins car has been a solid axle for several years. All the others listed at this point are factory style IRS.

Steve
1996 Cougar XR7 Special Edition (Street & Strip)
"There's a bad, built NA 4.6L COMING Spring-Summer 2018"

Elite member of the Halfshaft snapping, Auburn eating, Tranny crunching, Piston Melting, Tire lifting, 500+ lb ft Torque Club.

Cougar ET-Stock 4.6 shortblock/Stock PI headswap Bullitt NA 12.94 @ 105+
Nitrous 11.75 @ 114 MPH

2008 Ford Powerstroke 6.4 TT F250 4X4 Supercrew: 12.82 @ 105 MPH

"IN MEMORY OF MY FRIENDS JOEL BENDER 1979-2006", JOHNNY LANGTON 1975-2011, and MICHAEL VIVERETTE 1953-2013"
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post #11 of 19 (permalink) Old 06-10-2012, 10:32 AM
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Supercoupe is bigger axles, period ford put bigger axles for a reason just look at a cobra

www.robstireandauto.com for all your car needs and parts
95 bird corn powered 735rwhp and 580 tq
86 bird vortech s trim
10.75 @128.38
95 bird - Vortech t trim
9.98 worlds fastest IRS 4.6 thunderbird
1/8 [email protected]
10.11 @ 139.19 best mph
1.47 best 60ft if I can get a full pass with this 60ftt
All made possible with Braincoating'™s ported manifolds
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post #12 of 19 (permalink) Old 06-10-2012, 11:05 AM
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Quote:
Originally Posted by RobertP View Post
Supercoupe is bigger axles, period ford put bigger axles for a reason just look at a cobra
Robert, You done went and lost your damned mind! The axle part is a bit heavier but it makes NO difference. Where it goes through the hub and where they break is at the hub, not the axle. The SC, LX, Lincoln Mark VIII are ALL the SAME where it breaks at the hub period and on the inside at the carrier as well.

You want me to send you the ones I've broken to prove it to you?? I've got a couple. Launching as hard as mine does (1.57 60ft) I've broken plenty of them. I'm sure some others on here know as well.

Steve
1996 Cougar XR7 Special Edition (Street & Strip)
"There's a bad, built NA 4.6L COMING Spring-Summer 2018"

Elite member of the Halfshaft snapping, Auburn eating, Tranny crunching, Piston Melting, Tire lifting, 500+ lb ft Torque Club.

Cougar ET-Stock 4.6 shortblock/Stock PI headswap Bullitt NA 12.94 @ 105+
Nitrous 11.75 @ 114 MPH

2008 Ford Powerstroke 6.4 TT F250 4X4 Supercrew: 12.82 @ 105 MPH

"IN MEMORY OF MY FRIENDS JOEL BENDER 1979-2006", JOHNNY LANGTON 1975-2011, and MICHAEL VIVERETTE 1953-2013"
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post #13 of 19 (permalink) Old 06-10-2012, 11:19 AM
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Agree to disagree and leave it at that.

Let's not get all bent out of shape (no pun intended ) over axles.

Mods? Yea, I got mods ...
Air silencer delete, warp drive, dilithium crystals, flux capacitor, Slingshot Rubber band power adder, Moonshine & Gas, Leaf Blower Supercharger, Hamster Wheel & Hamster, Energizer Bunny generating 1.21 gigawatts, Mr. Fusion® Home Energy Reactor, hover conversion and a sextant celestial navigation system (The original GPS)
Best 1/4: 1,320 nanoseconds @ 670,616,629.2 miles per hour

"There isn't that much difference anymore between spacecraft, aircraft and modern automobiles..." - Keith Henry, NASA's Langley Research Center
See a list of my real mods and pictures of my car HERE. The true performance of my car was made possible by the Carolinas Crew Chief, RobertP at Rob's Tire & Auto
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post #14 of 19 (permalink) Old 06-10-2012, 12:05 PM
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Beside the point I've got and cobra axle here that I broke and it's part way the splined and the axle part, I guess ford decided to waste money on metal

www.robstireandauto.com for all your car needs and parts
95 bird corn powered 735rwhp and 580 tq
86 bird vortech s trim
10.75 @128.38
95 bird - Vortech t trim
9.98 worlds fastest IRS 4.6 thunderbird
1/8 [email protected]
10.11 @ 139.19 best mph
1.47 best 60ft if I can get a full pass with this 60ftt
All made possible with Braincoating'™s ported manifolds
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post #15 of 19 (permalink) Old 06-10-2012, 01:12 PM
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The actual shaft from the Inside knuckle to the outside end knuckle is larger in diameter on a SC. But the splined end of the halfshaft from that point is no different. They break at the hub, and not the shaft itself, knuckle to knuckle.

I will agree to disagree TM cause I know I'm right.

Now a Mustang IRS, not sure if the hub is splined the same or not, same diameter or what going through the hub assembly but I'm talking MN12/FN10's here. They may be different and maybe the parts don't interchange. I think the inside splines at the rear are certainly different.

That I'm NOT sure on. So I have no comment there.

Steve
1996 Cougar XR7 Special Edition (Street & Strip)
"There's a bad, built NA 4.6L COMING Spring-Summer 2018"

Elite member of the Halfshaft snapping, Auburn eating, Tranny crunching, Piston Melting, Tire lifting, 500+ lb ft Torque Club.

Cougar ET-Stock 4.6 shortblock/Stock PI headswap Bullitt NA 12.94 @ 105+
Nitrous 11.75 @ 114 MPH

2008 Ford Powerstroke 6.4 TT F250 4X4 Supercrew: 12.82 @ 105 MPH

"IN MEMORY OF MY FRIENDS JOEL BENDER 1979-2006", JOHNNY LANGTON 1975-2011, and MICHAEL VIVERETTE 1953-2013"
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post #16 of 19 (permalink) Old 06-10-2012, 03:09 PM
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Point is I'm running lx v8 axles not supercoupe or mark 8 axles enough said its stock oem stuff on my lx supercoupe would not be stock is the point

www.robstireandauto.com for all your car needs and parts
95 bird corn powered 735rwhp and 580 tq
86 bird vortech s trim
10.75 @128.38
95 bird - Vortech t trim
9.98 worlds fastest IRS 4.6 thunderbird
1/8 [email protected]
10.11 @ 139.19 best mph
1.47 best 60ft if I can get a full pass with this 60ftt
All made possible with Braincoating'™s ported manifolds
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post #17 of 19 (permalink) Old 06-10-2012, 09:42 PM
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Edit " stock meaning modified rear but retaining the IRS set-up no solid axle swaps. Just curious".

Ok, So tell me whats different about your stock IRS LX halfshafts than a Mark VIII IRS halfshaft. Do they/will they interchange swap to swap?? So I'm not putting a original stock Ford IRS halfshaft in my car out of a Mark VIII?

I broke the original ones in mine abut 9 years ago the first time. I've used salvage yards pulls in it since.

Steve
1996 Cougar XR7 Special Edition (Street & Strip)
"There's a bad, built NA 4.6L COMING Spring-Summer 2018"

Elite member of the Halfshaft snapping, Auburn eating, Tranny crunching, Piston Melting, Tire lifting, 500+ lb ft Torque Club.

Cougar ET-Stock 4.6 shortblock/Stock PI headswap Bullitt NA 12.94 @ 105+
Nitrous 11.75 @ 114 MPH

2008 Ford Powerstroke 6.4 TT F250 4X4 Supercrew: 12.82 @ 105 MPH

"IN MEMORY OF MY FRIENDS JOEL BENDER 1979-2006", JOHNNY LANGTON 1975-2011, and MICHAEL VIVERETTE 1953-2013"
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post #18 of 19 (permalink) Old 06-10-2012, 10:11 PM
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Mark 8 has fatter axles I'm sure they all fit just fine, I even put supercoupe axles in Hans car way back when I know they fit just fine but there a different part number, there the same as an auto supercoupe atleast the ones I have seen and the manual cars are even bigger

www.robstireandauto.com for all your car needs and parts
95 bird corn powered 735rwhp and 580 tq
86 bird vortech s trim
10.75 @128.38
95 bird - Vortech t trim
9.98 worlds fastest IRS 4.6 thunderbird
1/8 [email protected]
10.11 @ 139.19 best mph
1.47 best 60ft if I can get a full pass with this 60ftt
All made possible with Braincoating'™s ported manifolds
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post #19 of 19 (permalink) Old 06-11-2012, 09:32 AM
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Some of the 5 speed SC cars came with a fatter right side shaft. But all the outer knuckles are the same spline count from t bird to mark to cobra. Which is where most break. You have to go to the driveshaft shop to get an upgraded outer hub with 33 splines. The terminators came with a 31 spline inner knuckle.

1995 SC------------------1994 SC----------------1993 LX
Black----------------------Red----------------------Grey
3.8-------------------------3.8w/bent rod---------5.0
4R70W--------------------M5R2--------------------AOD
2.4 AR in works---------2.0 Auto Rotor---------N/A
24psi----------------------15+----------------------none yet
450RWHP----------------322RWHP -------------who knows/who cares
[email protected]@[email protected]
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