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| 7 1/4 axle strength https://slantsix.org/forum/viewtopic.php?t=45656 |
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| Author: | icepaddles [ Tue Jul 19, 2011 4:15 pm ] |
| Post subject: | 7 1/4 axle strength |
Is the 7 1/4 rear axle worth using for a t-bucket project? I have a set of 3.55 gears for one and all new bearings brakes seals etc. What will it handle horspower wise? should I leave the carrier open so it can spin freely instead of putting more stress on it using a posi traction setup. I have a 225 with nitrided crank, medium Isky cam, four barrel, four speed, msd multispark. |
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| Author: | Doc [ Tue Jul 19, 2011 4:48 pm ] |
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Gulp... you said the "F" word... Four speed trans. Dump the 7 1/4 and find something bigger. If you really want to try it, put a clutch style limited slip into it, (if you can find one) doing that will make the unit a little stronger. DD |
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| Author: | Charrlie_S [ Wed Jul 20, 2011 9:44 am ] |
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Agree with Doc. Don't try a 7 1/4 without a clutch type suregrip (4 spider gears). I would also stay away from the 7 1/4 with a stick. I am running a 3.91 7 1/4 SG in a 13 sec drag car, but it is an auto trans and doesn't "shock" the rear. |
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| Author: | icepaddles [ Wed Jul 20, 2011 3:19 pm ] |
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Cool thank you, Jon. |
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| Author: | icepaddles [ Thu Jul 21, 2011 3:19 pm ] |
| Post subject: | |
I have a Dana 60 with 4.11 gearset, if I made a spline adapter and welded the tubes on from the 7 1/4, do you suppose the axle shafts would hang in there. I came up with the idea because the Dana is a full floater from a 73 POWER WAGON and I have all new parts for the 7 1/4 |
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