8 3/4 and a 4spd
 

'64 Dart 273-2V 4 spd- will a 8 3/4 rear hold up? If braced? Thanks

Re: 8 3/4 and a 4spd
 

i am interested in this too

Re: 8 3/4 and a 4spd
 

After you do all the mods to make the 8 3/4 live you will realize you could have done a Dana. A well built Dana will be within 15 lbs of an 8 3/4 and has less parasitic loss and you will never break it.

Re: 8 3/4 and a 4spd
 

But, to your original question, it will hold up just fine.

Re: 8 3/4 and a 4spd
 

The Chrysler 8 3/4 is a good piece. There was a time it was found under many drag race cars, even the Don Hardy Vega conversions.

Because you are building a relatively low power package I think the 8 3/4 is the best choice. In addition, assemble it with very little pre-load on all bearings. Basically, just take the slack out. When assembled, it should be very easy to rotate.

Considering your engine choice, ANYTHING that reduces rotating drag will be of value.

Re: 8 3/4 and a 4spd
 

Do I limit myself to 4.88 gears due to the taper and the harsh launch of the 4 spd?

Re: 8 3/4 and a 4spd
 

Considering your engine choice, ANYTHING that reduces rotating drag will be of value

That is why a Dana is a better choice. Economics, Durability and Drag. A Dana can be built for virtually the same money, it will never break and it is worth ET. Seems like a no brainer, but that is just me.

Re: 8 3/4 and a 4spd
 

I agree with Rod ......... I have never had great success with a 4 speed and
slicks with even a good 8 3/4. Now that we run two steps we are eliminating them from about everything. I have broken several 8 3/4s
before two steps even in our 318 O/SA ( Even with Pro Gears and braced
Housings ). The cost difference is not very much between the two alternatives.

Re: 8 3/4 and a 4spd
 

A good hooking car with a 4-speed will kill a 8 3/4. We used the original 8 3/4 in the Road Runner(4-speed) and killed it,went with Dana 60 car ran the same. Demon had 8 3/4 and 727,broke it too,put a Dana 60 in it and never worried again on rear end stuff.

You will spend more beefing a 8 3/4 than just going to a Dana 60 in the first place. Plus like I said,one less thing to worry about.

Re: 8 3/4 and a 4spd
 

I was looking at my inventory and I have several 8 3/4 on the shelf. I also have a Dana 60 from a newer Ram truck. It looks a little different from one in storage that is from an older car probably a RR. Dana is a Dana by NHRA rules? No modern 9" rear for older cars vs New Drag Packs and I know you can't use the Moser sheet metal 8 3/4. Just want to make sue before going in that direction.Although I still have second thoughts and questions about using the 8 3/4. I had one in a B/A car with clutchflite and a wedge motor and it never broke.