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Hi. I've tried google, but I cant seem to find any info about what a 10" converter may weigh roughly? A friend might be able to ship one for me, I just need to figure out the weight roughly.

Hello! I have another thread going on in the small block tech about sudden loss of get up and go power. Here it is if you are interested: http://www.forabodiesonly.com/mopar/showthread.php?t=277904 My car is all of a sudden sluggish of the line and I cant for my life understand whats wrong...

Hello! I've got my hands on a 742 diff with a 4.86 open ratio. This one will only ever be used on the track. I currently have a 741 3.55 sure grip unit that I put together myself. Now I live in Sweden and it cost quite a lot to buy the sure grip and the other parts to renovate and put that one...

I broke a wheel stud on my 8 3/4 axle. Its the passenger side. Is it possible to replace it without removing the axle shaft? It's the small bolt pattern 7/16 studs. Thanks in advance!

I'm installing a B&M Quicksilver shifter. I'm concerned about the shifter wire hole. After some measurements it looks like the hole for the cable will be just in front of the support for the crossmember. Meaning the wire will then have to pass the crossmember support and there will be a kink in...

Hello all! Will it be worth the work changing from 3.31 to 3.73 ratio? I have the 741 center and the 3.73 is the "biggest" gear I can find for that center. I want to be quicker of the line. Also played with the thought of changing to a higher stall converter. My current combo: 1965-273 727...

Plymouth Duster 70 - 273 - 727 - 8 3/4 273 (1965) Edelbrock intake & Edelbrock 4 bbl carb, 340 cam, headers, dual 2.5” exhaust 727 automatic 8 3/4 - 3.31 and sure grip 245/60 14 tires It runs great as it is, but from a stop it would be nice to be able to launch just a little faster...

I’m putting together a 8 3/4 rear axle. It’s not on the car but on my work bench. When installing the axles the passenger side wont fully seat. I believe it is the splines in the sure grip that is misaligned. I have the clutch type. I did some research and found two ways of...

Getting ready to swap my 7 1/4 for a 8 3/4. I have not done this before, I'm also rebuilding the 8 3/4 swapping gears etc. So I follow the manual closely. When removing the axle it seems like it might be an idea to drop the leaf springs down towards the rear of the car. Seems like it might...

I recently bought an 8 ¾ axle with the 741 center and 3.23 ratio. It’s an open axle. I want a sure grip. Now my question is, I have the opportunity to buy a complete 489 center with a used clutch sure grip and 3.31 ratio for the same price as just the brand new sure grip for my 741 center...

Swapping rear end and recently picked up an 8 ¾. It’s open, but I want to put a sure grip in it so I took it apart today. Look at the pictures. Everything else looks good. But the diff is damaged just where the bolts are in more than one place.

The casting number is 2070741. So it's a 741 house right? There is also a large x. If you look at the picture there is also the number 24, 7H1. There was also 824 written in white letters on the other side of the carrier. Anyone know what the 24, 7H1 and 824 might tell me? Previous owner...

I'm swapping my rear end to a 8 3/4 - 741 - 3.23 open diff. I'd like to swap out the open diff before i install the new rear axle. I’ve done searches here and turned out a bit confused. Sure grips, true tracs, powertrax, lockers, slip diff, clutch, cone, etc. Lots of options! It seems like...

Hello. I need some advice on rear axles. I’m an amateur whose been working on a 1970 Plymouth Duster. It’s a low budget project, originally a slant six car. I bought a 273 complete with 727 auto trans for a bargain of a friend. Did the swap this winter and it all turned out really well I’m...

Short version: This winter I replaced the slant 6 in my duster with a 273 and a 727 trans. Yesterday I got my driveshaft back from the shop that had shortened it. So I could take it for a test-drive for the first time today. I took it real slow and carefully, quite nervous! There was a noice...

I'm swapping from a slant six to a 273/727 smallblock in my 1970 duster. I need to either fabricate some oil cooler lines or by some aftermarkets ones like the ones in the picture. They are suposed to fit: 69-72 All A Body 727 Anyone tried them? Do they fit? I have cheapo headers that hang low.