Re: Old Girl (aka Project Underhaulin)
If it’s a 3.73, you’d probably be okay with the 30” tire, but it may hunt OD (shift back & forth between 3rd & OD) at lower speeds (40-60 mph). My ‘87 did that terribly on all these backroads up here, so I went to a 28” tire and all was “cured”.
You know you can just jack the rear of the truck up, put it in neutral, mark a spot on the pinion & a spot on one of the rear tires and just spin the tire and count the revolutions of the tire vs the pinion and you’ve got the gear ratio. 2-3/4=2.73, 3’ish=3.08, 3-1/4=3.27, 3-1/2=3.42, 3-3/4=3.73. You get the picture. |
Re: Old Girl (aka Project Underhaulin)
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I'd go with the 28" tall tire. |
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Tach dash we just received from TBONE1964 (thanks brutha!) looking forward to having the tach as well as the volt gauge conversion.
Attachment 1763462 |
Re: Old Girl (aka Project Underhaulin)
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A few updates for the Old Girl...
Picked up a brake upgrade from Boris at Street Machinery, D52 Calipers up front and a D154 rear kit with e-brake. Attachment 1772898 The Billet Specialties Speedways all mounted up, also from Boris. Attachment 1772899 Here's a pic of the Speedways on the truck. Attachment 1772900 And the UNDRHLD (Underhauled) vanity plate finally showed up. Just a nod to all those who did their best to help it come together. Attachment 1772901 |
Re: Old Girl (aka Project Underhaulin)
Very nice!
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Man, what a difference. Nice job my brotha.
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The wheel package came out nice!
Specs on which wheel size and tire sizes you used? |
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**this truck has the longer '71/'72 rear end** |
Re: Old Girl (aka Project Underhaulin)
Looks great and love the license plate
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Nice! Part of my 5 lug upgrade includes a complete 1972 coil spring axle.
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Re: Old Girl (aka Project Underhaulin)
Man, it looks great! I love that plate too!
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Re: Old Girl (aka Project Underhaulin)
Looks great Ernie! Hurry up and get it back together, we have the Batttle in Bama care show coming up soon....https://www.facebook.com/events/1714755652121309/
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Found this guy hanging out in my shop a couple weeks ago. |
Re: Old Girl (aka Project Underhaulin)
Wow! Some time ago I stopped searching "Underhaulin" hoping for an update and I just stumbled across this thread and what a heart warmer. I am so glad to see it moving and looking so good.
I even like the new wheels(didn't think I would LOL) |
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If anyone is wondering I'm under that wreck right now doing the brake upgrade... :crazy: What else would you do on a Wednesday?
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Well, I (we) won't be making the Dead-end Garage crawfish boil. I'm bummed to say the least. We ran into some metal shavings in the rear end housing creating concern for the bearings and such. To err on the side of caution I ordered new axles, bearing, gear, and an Eaton Truetrac posi. Now we're waiting to find someone who'll work on it. Once we get the rear end rebuilt we'll be able to button up the brake install and get the truck back on the road.
Front brakes assembled and ready for bleeding. Attachment 1777197 Collage of the axle wear. Attachment 1777198 In this pick it shows one of the offset bearings used to correct the issue with the axles. I don't think it was installed completely in the housing. Attachment 1777199 Some of the metal found in the housing and axle tubes. Attachment 1777200 New parts ready to be put in the game. Attachment 1777201 |
Re: Old Girl (aka Project Underhaulin)
Man, that's a bad deal on the rear end. At least you found it now though.
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Re: Old Girl (aka Project Underhaulin)
That's a lot of metal you found and even a whole quarter, haha. Keep truckin along its looking awesome.
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