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Gear Swap on the Cheap. |
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Psquare75 
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Joined: 26-November-2005 Location: United States Online Status: Offline Posts: 1807 |
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 Topic: Gear Swap on the Cheap.Posted: 09-February-2010 at 5:02AM |
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Would you bother swapping 2.47s for 2.75s? Cost would be.. $20 for fluid and gaskets.
Thoughts? |
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78 XR7
523/C6/3.5:1 + lots of suspension goodies 76 Ford Elite *SOLD* |
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haw_y_n_merc
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Joined: 18-April-2007 Location: Hawaii Online Status: Offline Posts: 219 |
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Posted: 09-February-2010 at 5:31AM |
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I don't think you would notice much difference.........but 20 bucks ain't much to find out....
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interceptor460
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Joined: 24-February-2009 Location: montreal Online Status: Offline Posts: 305 |
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Posted: 10-February-2010 at 12:49AM |
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What would make more since wound to a 3:1 ratio .You will feel more peep without hurt economy. The 3.25:1 gear will give good lauch ,but you will notice the engine will drink more fuel. I did the same swap on a nova from 2.47 to 3.08's posi the car was okay. I lost a bit on top end ,but 0 to 75 mph was a different story.
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Psquare75
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Joined: 26-November-2005 Location: United States Online Status: Offline Posts: 1807 |
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Posted: 10-February-2010 at 1:14AM |
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If you want to buy me a diff with 3.0 gears in it, donations are accepted at Psquare75 @ comcast.net via paypal ;)
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78 XR7
523/C6/3.5:1 + lots of suspension goodies 76 Ford Elite *SOLD* |
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interceptor460
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Joined: 24-February-2009 Location: montreal Online Status: Offline Posts: 305 |
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Posted: 10-February-2010 at 1:37AM |
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I gave you my 2 cents worth
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ramair351
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Joined: 08-May-2006 Location: west michigan Online Status: Offline Posts: 785 |
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Posted: 10-February-2010 at 1:54AM |
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I would, for $20. 2.75 is at least what most early 70 's cars came with, wasnt until the late 70's when they started putting dogs like a 2.47 in. my 78 429 ranchero i think has the 2.47. good god, i think i could go 200mph with that car , but an escort will beat me out of the hole.
your monster engine would like a little more gear!
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-Pete
1973 gran torino sport 358ci 4 speed 1978 ranchero 429 c6 1965 Falcon futura |
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