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I know with a Sure-Grip they will take alot on the street. I beat on mine with a mild 440 and it was fine when I sold the car. I would be really nervous with either a stick or slicks though. Coming from the 4x4 world, I would just do the 8.75 or 8.8 etc. swap. I used the 8.25 because it...

I am looking at doing a budget A body in the next year or so. I wouldn't maybe call it a G machine, but i will install 17's etc. The Explorer rear looks good. My only concern is the offset driveshaft. It should be fine, but it isn't so far to one side that it hits or rubs is it...

FWIW I have a HS convertor that has a sticker on it. It came from Mopar with this sticker. I have been told in the past that there is no real easy way to tell what the stall is just by diameter especially if they are all 11". ROB

Hello, I am preparing to rebuild a 727 next weekend. What are the typical tools needed to rebuild a 727 at home? I have a valve spring compressor, C-clamps, feeler guages and snap ring pliers. Any thing else needed? Thanks, ROB

I now know that it is a cast crank model. I looked at the dampner and it said something to the effect of it being a cast crank model and so forth. Written in a sentence on the dampner itself. Kinda cool. They spelled it out so even the teacher could read it. The prognosis is the 440 is...

So it is the same as the 360 issue.......ah ha! What about 318 parts with a 904? I did not know there were internally and externally balanced 318's with the "newer stuff". It would be from 73 to 85 specifically where I would be switching parts.

I am getting pretty close it looks like to starting on my car.....finally! I have a 76 440 with a matching transmission. When I buy a convertor I can just buy an off the shelf version, not one requiring a special flexplate, correct? I may do a 318 thing, still deciding. Can I...

Here is the problem that I am facing. I have gathered alot of Mopar stuff. I mean whole cars and engines intakes etc. Lots of junk for both BB and SB. I am coming to the realization that I am going to end up with a single digit mpg car if I don't watch it. I have an 85 5th avenue...

OK. So it would be great with smog gears such as 2.76's or something but not good with my 4.10's. That makes perfect sense. Thanks for the advice, ROB

What is the RPM drop approximately when a 904 locks up? I'm chewing on some ideas for a real mild street car. Thanks, ROB

I had a 75 that was SBP with drums and a 7 1/4" rear. ROB

OK. This sounds like the way to go. Thanks all! ROB

73

I am looking at buying a flexplate that is for a 78-92 360. I have a 74 360. My Mopar Performance book says that all flexplates are basically interchangeable. But, if I use that flexplate I will need to get a 360 balanced (externally) convertor, correct? If I want maximum...

OK. It looks like I missed it by a year. Wasn't there a an HD 904 called a 999 that was used behind 360's or something? I know Jeep used one. I thought there was a 2.74 non-lock-up transmission available.

I have an 85 Dippy 904 with a lock-up transmission. It is my understanding that this tranny has the low gear set-up. What other years and vehicles have the low gear set? I have two 79 V8 transmissions which ratio are those? Thank you, ROB

Thank you. Now back to research mode. I am getting an engine stand tomorrow so I can start to look into the 360 and see what is up on the inside. ROB

Two more quick questions: 1. So the B&M would allow me to have the greatest interchangeability? 2. It would allow me to interchange with my 70's 318 parts, correct? Thanks, ROB

Hello All, I have a 74 360 out of a truck. It has no torque convertor/flexplate etc. I understand there is a difference in balance etc. compared to other small-block engines. I would like to be able to run any convertor from most any small block. Isn't there a universal...

OK. I had heard of it with other makes of cars so I was just wondering. Thank you for your help, ROB

OK. I had heard of it with other makes of cars so I was just wondering. Thank you for your help, ROB

I have a quick question. I was told by a friend who is an old time Mopar meachanic that V8 cars with AC have a higher stall than stock. He said that an aftermarket stall isn't needed for a mild build up. Is this so? And if it is, what is it rated at for RPM-the stall? Thank you, ROB

I just got the news today that it is looking like Mr.Duster is going to become more of a DD next year. Not a bad thing, a good thing! It does however mean that any build for the time being is going to have to be a balanced thoughtful combo with a leaning towards praticality. Now...

One more question, is there anything special about installing it in a earlier car? I know it will physically interchange, but is there any extra wiring/ linkage? Anyone??? Thanks as always, ROB

I have a 904 out of an 85 318 car that has the lock-up transmission in it. I have a couple of questions about it. 1. How much HP is it good for in stock form? 2. I have hear MP sells a higher stall TQ, is this correct? And what stall? 3. Approximate Mileage gain of lock up vs...

My Duster has about 185K on it. I bought it from the origional owner so he knows the history. He says that he rebuilt the engine, a 318, which he appears to have done. He did not rebuild the transmission though. He tightened the bands he said. It shifts fairly quickly and firmly into 2nd...

Thank you very much. That is the type of help that I need, even a picture of it. Have a nice evening, ROB

I just got back from the parts store with a speedo cable. I pull the old one and compare the ends. The transmission end has larger threads on my old cable than the new end on the new cable. Otherwise everything is the same. The car is a 904 -318 - 7 1/4" in a 1973 Duster. Does anyone...

Hello again, I am actually too pragmatic to be a Mopar only guy on a rear axle. Being a 4x4 builder by nature, I did a quick search and found lots of information on 8.8's for real reasonable, most between $150-250.00 with 3.73's and some with disks. I like that, the next question is...

I'm sorry for the confusion, around here is southern Oregon. I do sell parts on occasion and shipping is something you probably don't want to do. I would imagine that I could drive a bit and find one more locally. I guess I should have specified by local that I meant within an hour of my...