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Thought I had answered something like this recently. Oh well. Here goes. From waywardmusclecars. Rear Ends for the Mopar A-body B-body axle in the A-body Another alternative can be used to replace an existing 8-3/4" or the smaller 7-1/4" or 8-1/4" axles. An axle from a 66-70 B-body can be...

Found this little bit of information from waywardmusclecars. Rear Ends for the Mopar A-body B-body axle in the A-body Another alternative can be used to replace an existing 8-3/4" or the smaller 7-1/4" or 8-1/4" axles. An axle from a 66-70 B-body can be in- stalled in the A-body (note: a...

There was both a 2.45:1 and a 2.21:1 7¼. The cases used for these are different from the others. Both used nine bolts to secure the cover. Most 7¼ rear covers were fairly round. The cover for the two lower numeric ratios was distinctly oval shaped. By my calculations, a 2.45:1, 255/55-16...

There are no plug and play substitutes for the Mopar A-body 7¼ axle. The 7¼ axle has smaller tubes than the 8¼ and 8.75 units do. This means larger shock plates and clips (u-bolts) for 3" axle tubes will be needed. The other issue has to do with driveshaft length. Because of different...

It's not clear what the poll objective is. At this point, it seems like a bench racing number. http://www.ringpinion.com/Calculators/Calc_RPM.aspx Use this link to solve gear/tire combination rpm. If height of a tire is unknown, the major tire companies have this information on their...

Thought provoking question. I've never lived with a manual valve body automatic, so I can't address that specifically. If I had to choose one or the other, I choose an automatic for a DD. It's great for putting about at slow speeds and stop'n go driving. I like not having to concentrate on...

There are several options open to you. 1. Replace the torque converter. 2. Remove the bolt from the converter. ..........a. Use an Ease Out. ..........b. Use a LH threaded drill bit. (Big box hardware store won't have them.) ..........c. Use a Dremel tool with cut-off wheel, cut X in top...

I read somewhere that only 2.73:1 and up could be upgraded. It had something to do with the differential cases being different from the 2.56, 2.45, 2.21 cases. Someone else asked the same question last year. http://www.forabodiesonly.com/mopar/showthread.php?t=281216

The 8.75 rear axle is unique to Mopar. Also when swapping in an 8.75 axle from another size, you'll need a shorter driveshaft. You're looking for a 64-72 Dart or Valiant or a 64-69 Barracuda. Generally these cars had a 273 4 bbl 4-speed, a 340, or an HD rear axle.

As I see it, the TF3 does not require the transmission to be removed nor does it require anything special from the shifter. Don't tale my word for it, check out the link below. http://www.transgo.com/products.php?product_id=80&pageactionprev=viewpricelist&category_id=&keyword=

Besides the Mav-wreck/Vomit rears of the 70s, 64-66 Rustclangs, and the first gen Grenade/Monarc are A-body bolt-ins. The best A-body bolt-in/Phord rear to get comes of the Lincoln Versailles; it has rear disks. Check to make sure the rear has a five bolt axle end rather than a four bolt.

Yes. According to my literature all factory 273 CID a-bodies came with 10" drums. Both 66 Dart 273 (2 bbl/903 & 4 bbl/904), I once owned had 7¼" rear ends with 10" drums. Notes: For sales and production scheduling purposes, the V-8 & /6 cars were assigned different series numbers from...

Try Inline Pro in Springfield, VA. It's about 100 miles from you. http://www.driveshaftshop.com/ You may want to ask shops closer to you that do driveshaft repair work for big trucks or farm equipment. PTO shafts and jackshafts aren't that different from automotive driveshafts.

Sounds like something in the tranny is messed up if you're getting park and some version of forward.. Rather than chock wheels for testing, I'd suggest using stands under the car. There are enough of us dropping dead from natural causes already. Saint Peter: What brings you here today...

Can't say about 65. By 1966, Mopar recommended Mercon/Dexron III in their transmissions. It's cheap as ATFs go, and universally available. Take care to avoid Dexron VI which is formulated for GM transmissions and is too thin. Of other ATFs out there, I plan to avoid Type F (for Ford C6)...

/6 converters have a higher stall speed.

How about a /6 904 torque converter?

What's a good rear end to put in my Duster? Yours Obviously some rear ends are more desirable than others. There is more aftermarket support for the Mopar 8.75 than the 8¼. The 8.75 was available in three different configurations characterized by the differences among the pinions and...

This tells me that the problem is in the driveshaft, intermediate bearing, or u-joints. Check to see if the new shaft is exactly the same length as the old one that went bad. Check to see that the u-joint crosses are centered in their respective earworks and that the straps on the pinion...

If vibration varies with acceleration or deceleration, suspect joints in drive shaft. Otherwise, check for bent axle, bent wheel, front end alignment, tire out-of-balance, or tire/wheel not concentric. If vibration can be felt through steering wheel, suspect front end alignment or front wheel...

Count the bolts in the rear cover. No bolts, 8.75". Ten bolts, 8¼". Nine bolts 7¼". What I see in the photo is a 7¼" rear. A lot of times, there will be a small tag held in by one of the bolts. The tag will have the gear ratio stamped into it. e.g. 2.76, 2.93, 3.23. To find the ratio...

In addition, you'll need to unbolt the rear motor mount at the transmission cross-member before it will drop.

You're right. Not many advertise this stuff for 8.75s. Try these guys http://www.drivetrain.com

I had a 73 with a disk brake master cylinder, disk brake proportioning valve, and drum brakes. The car had 4-wheel drum brakes. Can't make the call whether it's a BBP car without checking the wheels. BTW - There are no 4-wheel drum brake A-bodies from the factory. One of the problems you're...

The transmission in question is a NV1500/2500 that was used behind the 3.9 and 5.2 liter engines. This is a five-speed The NV1500 was used on Dakotas and Ram 1500s, the NV2500 was used on the non-HD 2500 Rams. Fifth gear is an overdrive, unlike the Richmond 5-speed. What I can like about the...

I may be trying to read too much into this. If what you want to do is to put a SG diff into an existing 489 case with 3.55 R&P, no problem. It is exactly as Inertia says. If the existing case is not a 489, then the R&P from the existing case will not swap into the 489. The pinion sizes are...

X 2 on the recommendation to use powered graphite on the speedometer cable. Get it at Home Depot or Lowe's. A general rule of thumb to correct a speedometer (assuming it was accurate before tire/gear change) is one tooth per 3 miles per hour. Using this rule, the transmission would need six...

Count the number of bolts and view the transmission pan shape on the automatic transmission. According to the Teufert website the Torqueflite 727 has an irregular-shaped pan with 14 bolts fastening the pan to the bottom of the transmission housing. The Torqueflite 904 has 14 bolts with a...

From what I read on another thread, Keisler has filed Chapter 7. If the T-5 was a better box, the news on this thread would be great. As is, if there's a Hi-Po kit for the T-5, it might make a nice small block tranny. If anyone knows of a T-5 strength program or kit, please post. I'll...

Typical reasons why businesses fail. Lack of experience Insufficient capital (money) Poor location Poor inventory management Over-investment in fixed assets Poor credit arrangement management Personal use of business funds Unexpected growth Competition Low Sales Just...