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06-29-2022, 10:42 AM | #1 |
Member
Join Date: Jul 2010
Location: Sugar Land, TX
Posts: 80
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ring & gear 3:25
I still have a whine from old 3:54 gears (new bearings) rear end during decertation. think i will replace with 3:25 gear set.
question is where to purchase. Where do suggest. Sacramento Vintage Ford Mac Auto Parts melvin classic for parts C& G parts Early Ford v8 sales or sugesstion others any one had problems with any above. Thanks |
06-29-2022, 11:15 AM | #2 |
Senior Member
Join Date: May 2010
Location: southeastern Michigan
Posts: 10,101
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Re: ring & gear 3:25
The whine has nothing to do with your choice of gear ratios, but rather with the improper adjustment between your ring gear and pinion gear. Further, unless you live where there is zero change in elevation in at least a 100 mile radius, you will quickly tire of having to downshift all of the time with a 3.25 gear set. That assumes you have a flathead engine.
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06-29-2022, 02:34 PM | #3 |
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Join Date: Jun 2014
Location: Williamsburg, VA
Posts: 1,627
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Re: ring & gear 3:25
DavidG makes a good point, if you are running a near-stock engine. If you have a larger displacement and higher compression ratio engine, you will enjoy the lower rpm and not have to shift too much. I got my 3.25 gears from VanPelt and they were perfect. Just be sure you have someone who is expert is setting up the rear end.
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06-29-2022, 03:29 PM | #4 |
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Join Date: Feb 2013
Location: Pittsford NY. USA
Posts: 1,096
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Re: ring & gear 3:25
I also got mine (3:54) from VanPelts, along w/a rear end rebuild/installation kit.
Great products, people & customer service! - F F
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06-30-2022, 09:23 AM | #5 | |
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Join Date: May 2010
Location: Napa,California
Posts: 6,037
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Re: ring & gear 3:25
Quote:
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06-30-2022, 01:50 PM | #6 |
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Join Date: May 2010
Location: St Charles , Missouri
Posts: 1,998
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Re: ring & gear 3:25
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The real cats meow is having a Columbia 2-speed. Not sure what you are putting it in but if you want more for highway use but want the power when you need it the Columbia is the way to go. I’ve seen quite a few for sale. They must be rebuilt and bulletproofed properly. It’s time consuming and not cheap but is a great way to go. Every flathead powered car that has a 3:25 that I know of has been a disappointment to the owners. Larry |
06-30-2022, 05:04 PM | #7 |
Senior Member
Join Date: May 2010
Location: Cincinnati, OH
Posts: 1,361
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Re: ring & gear 3:25
The later ring and pinion sets won’t be available until end of August or early September. We still have one new set of the 40-4209 gears in the 3.25 ratio on the shelf. The later gears (68-4209) are all out of stock everywhere for now.
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VANPELT SALES LLC Cincinnati, Ohio Office: 513-724-9486 www.vanpeltsales.com www.classictransmission.com |
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