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I'm finally close to the end of this 318 to 440 swap in my 73 Roadrunner but it's fighting me. I say 318 to 440 swap but really it's a complete drivetrain swap including the 440 I rebuilt and a 727 trans I also rebuilt as well as a complete front end and suspension rebuild. The engine is a 440...

I just finished swapping my 440 into my 73 Roadrunner and now I'm getting the exhaust installed. I purchased TTI 1 3/4 headers with 3" collectors and a 2 1/2 inch exhaust. For now I installed Hp Manifolds I had and when I purchased the exhaust from TTi I included the head pipes because I don't...

Hey guy's I'm trying to figure out what radiator hoses I need for my new 440 in my 73 Roadrunner. My lower hose exits on the drivers side also I have a champion 3 core with passenger side upper and drivers side lower. I honestly can't remember why I ordered things this way but it's what I have...

Hey guys I'm in the process of getting my 8 3/4 rear ready to go into my 73 Roadrunner. I'm rebuilding the 10" rear drum brakes and the drums it came with were shot. I ordered drum's through advance auto and when they arrived they were finned with a larger outside diameter and the originals had...

I've done all my measuring and I need 9.150 pushrods for my new 440. I'm having a hard time finding 5/16 pushrods at 9.150 that aren't through oiling. The closest I've found are from Smith Brothers they are through oiling but the ad says restricted. I'm running Edelbrock E street heads, comp...

Hey guy's I'm getting ready to order a set of TTI headers and a full exhaust for my 73 Roadrunner. I'm ordering everything I need as I will be dropping my new 440 and trans into the car soon once the snow and salt is gone here and I can pull it out of storage. My question is what do people do...

hey guy's quick question. I have an 8.75 rear with a 489 sure grip with 3.23 gears in it I've had sitting around for a few years. I decided I was gonna clean it up, sand blast, paint it, put new axle bearing in and throw it in my 73 roadrunner. while trying to turn it over I could only rotate it...

I know there have been a ton of threads on driveshaft length but I cannot for the life of me find the proper length of a driveshaft for a 73 roadrunner with a 440, 727 and an 8 3/4 rear end. I'm getting ready to swap my new 440 into my 73 roadrunner with a 318 and I need to know what length...

Hi the title says it all I'm getting ready to drop the new 440 I built into my 73 Roadrunner and I'm not sure which torque converter I need as I don't know much about them. I'm sure you'll need a bunch of info to help so here it goes. The car is a 73 roadrunner, 727 transmission, 8 3/4 rear end...

Hey guy's the title says it all i'm trying to figure out where all the allen head oil gallery plugs go on a 440. I had my block machined before building my engine and got back some plugs with it. I've been assembling the engine and there are 2 left with no home and I can find no place for them...

Hey guys I'm getting ready to install my rear main seal in my new 440 I'm building and have a few questions. I'm using the seals from 440 source including the blue side seals. My question is are you guys using silicone on these blue side seals to help them seal? I have offset the half seals and...

Hey what do you guys put on galley plugs silicone,anaerobic sealer or just blue loctite?

Hey guy's I'm in the process of trying to finish the longest engine build in history which was put on hold for several reasons. I'm building a 440 for my 73 roadrunner had the block all done by an engine builder about an hour away and he installed new cam bearings when it was done. I have the...

So I already have a separate thread about cam bolt size but I feel like I really needed to narrow it down. I am currently building a 440 for my 73 roadrunner which I purchased a cam kit for model K21-306-4 which is a 270h-10 cam . I was getting ready to install the cam and found my stock...

Hey guys I'm looking for some info that some of you guys out there with big blocks that have cams with single bolts might be able to answer. I am currently in the process of building a 440 for my 73 roadrunner and I purchased a comp cams came kit for it which includes the cam,lifters,valve...

Hey guys so I'm in the process of assembling my 440 for my 73 roadrunner and have a question about cylinder position. I purchased a book called how to rebuild the big block mopar by a few guys on this forum. While looking at some spec sheets in the book I found the one for cylinder position as...

Hey guys so I'm assembling my 440 for my car in the next week or so A project which was put on hold about a year ago. I had all the machine work completed a year ago which included the machine shop getting me a reman forged crank which sat until a week ago. So I was cleaning things up this week...

Hey guys so I'm finally in the process of assembling my 440 for my 73 roadrunner. I was in the shop yesterday cleaning things and using plastig age to check my clearances when I noticed the knurling on the crank where the rear main rides. The original crank was cast and was gonna need work...

So I'm coming close to finishing the install of my e street efi on my 73 roadrunner 318. IM in the process of building a 440 for the car now but really wanted to get this efi working before I dropped the new engine in. I will definitely post a thread on how I went about the install as there were...

Hey guys I'm in the process of fuel injecting my 73 roadrunner. the car as of right now is a 318 auto car with ac but I am in the process of building a 440 for the car which has been kinda slow going. I already have the edelbrock e street system sitting aside for the 440 so I decided i would put...