GT Performance Mods 2005+ Mustang GT Performance and Technical Information

Shaftmasters 3.5" Group Buy

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Old 5/9/08, 08:07 AM
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Shaftmasters 3.5" Group Buy

Shaftmasters “Ultimate”
3.5” Aluminum GT Shaft


Economic Stimulus Package Sale

· “Group Buy” of 10
· 2 week lead time for shipping once 10 orders are received
· Shafts must be paid for once 10 orders are received, we accept Visa, Mastercard and PayPal
· Offer good to members of “modularfords” and “mustangsource” forums only

Free UPS Ground Shipping
to the continental U.S.


$595
For a 3.5” shaft with 1350 series rear universal joint, .125 wall tubing with Adapter Plate

$535
For a 3.5” shaft with 1350 series rear universal joint, .125 wall tubing with Pinion Flange


If you are interested please send us an email david@shaftmasters.com with your contact information and your preference of adapter plate or replacement pinion flange. Please provide your forum username and which forum you are registered on.Once we have a total of 10 orders we will contact you for payment and shipping information.

Current # of orders = 4

Last edited by shaftmasters; 5/13/08 at 05:20 AM.
Old 5/9/08, 03:00 PM
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Just sent an email. I'm about 5 miles from you, so no need to ship. Get back to me when possible.

Thanks!
Old 5/9/08, 06:40 PM
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For anyone interested, I've ran the 3.5" Shaftmasters shaft with adaptor since December. It has performed flawlessly, and this includes full throttle launches at the strip while running 325/45 drag radials and turning 11.7 ETs.
Old 5/10/08, 01:32 PM
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Sooo tempting.

Must repeat mantra "Must save money, Must save money, ..."
Old 5/10/08, 02:53 PM
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Old 5/10/08, 02:54 PM
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it would help to know what the savings is on these....
Old 5/10/08, 06:35 PM
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also, differences between spyder and shaftmaster?
Old 5/10/08, 06:41 PM
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Originally Posted by Larmo
also, differences between spyder and shaftmaster?

Rut ...row for the second time this week.
Old 5/10/08, 07:41 PM
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Scott, you're getting awfully bah-humbug in your old age!!
Old 5/10/08, 07:51 PM
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Originally Posted by n8rfastback
it would help to know what the savings is on these....
Weight savings? My Shaftmaster 3.5" weighed just under 17 lbs. The stocker weighed almost 40 lbs.

Originally Posted by Larmo
also, differences between spyder and shaftmaster?
Well, first and foremost the Spyder is a 4"....... this is a 3.5". And I believe you'll find the 3.5" has a higher torque rating- but check for yourself to be sure.

Originally Posted by Larmo
Scott, you're getting awfully bah-humbug in your old age!!
Yes, he is.......
Old 5/10/08, 11:33 PM
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This deal fails the WAF (Wife Acceptance Factor).

Me: I need a new driveshaft
Wife: What's wrong with the old one?
Me: The new one is lighter and will make the car faster
Wife: The car is fast enough already
Me: But I want the car to be faster
Wife: But didn't you do something to make it faster before?
Me: yes, but that was some time ago

And on it goes

Last edited by LordBritish; 5/10/08 at 11:37 PM.
Old 5/11/08, 04:18 AM
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Originally Posted by Larmo
Scott, you're getting awfully bah-humbug in your old age!!

Old 5/11/08, 06:00 AM
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Installed my 3.5" Shaftmaster a few weeks ago, car has been up to 100+ a few runs with zero vibration and smooth operation/shifting. The car seems to 'coast' faster now though; less drivetrain loss I guess? I had to relearn my trailing distances / pedal releases on the highway to compensate. All set now!

I had the Roush driveshaft safety loop thrown on also at the time of the install...
Old 5/11/08, 07:40 AM
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Originally Posted by LordBritish
This deal fails the WAF (Wife Acceptance Factor).

Me: I need a new driveshaft
Wife: What's wrong with the old one?
Me: The new one is lighter and will make the car faster
Wife: The car is fast enough already
Me: But I want the car to be faster
Wife: But didn't you do something to make it faster before?
Me: yes, but that was some time ago

And on it goes
Strategic error. You've always gotta play the safety/money saving factor with the wife.

Here's what I've come up with so far:
  • Stronger driveshaft--don't want to risk a broken driveshaft.
  • Better gas mileage--it'll pay for itself in a month or two!
  • It's a $50 savings if I act now!
Any others??? Help me out here fellas...
Old 5/11/08, 07:46 AM
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Originally Posted by Import-Slaya
Strategic error. You've always gotta play the safety/money saving factor with the wife.

Here's what I've come up with so far:
  • Stronger driveshaft--don't want to risk a broken driveshaft.
  • Better gas mileage--it'll pay for itself in a month or two!
  • It's a $50 savings if I act now!
Any others??? Help me out here fellas...
How about....


My current one is in two pieces, the one piece is much safer.
Old 5/11/08, 09:27 AM
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How 'bout if you tell her the name of the vendor?


If she doesn't get excited about the name "Shaftmaster" then you got bigger problems to deal with LOL......
Old 5/13/08, 08:44 AM
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Current # of orders = 4
Old 5/13/08, 07:16 PM
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Originally Posted by Fryguy
How about....


My current one is in two pieces, the one piece is much safer.
That's good--very good.


Originally Posted by tom281
How 'bout if you tell her the name of the vendor?


If she doesn't get excited about the name "Shaftmaster" then you got bigger problems to deal with LOL......
wwahwhahahahaaaa!! That is too funny. Wonder if they sell t-shirts?
Old 5/16/08, 02:52 PM
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I have a question. Probably a stupid question for those in the know, but since I have just started researching the one piece driveshafts, I will ask....

Why do all the aluminum replacement one piece driveshafts for the GT require either an adaptor plate, or a pinion flange replacement? Why is there not an aluminum one piece shaft that bolts straight up to the existing pinion flange. I notice that is the case on the V6, but not the Gt???? Please educate me....

Thx,
Mike
Old 5/16/08, 03:04 PM
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I believe there is...... Brenspeed offers one but it's significantly more expensive than what you'll find for units that either include an adaptor or swap pinion flanges.


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