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Anyone that uses a purchased torque strap, does it provide any dampening for vibration? Or, did it introduce any vibration? I had a set of poly locks from Schumacher but they allowed way too much vibration from the engine into the entire car. Switched over to cheap stock rubbers and the...

I have been running my newly built 440 for a few weeks now. Now that I have the odds and ends buttoned up I want to address a low power surging that I am experiencing. At steady throttle, anywhere from 1200-2000ish rpm I feel a “surge”. I can’t tell if it is a power surge (forward) or a loss...

I had my engine broken in and dynoed just over a month ago. Finally getting it in the car and decided to change the oil. I was surprised to find a blob of fine metallic hair attached to the magnetic drain plug. See pic. It’s very soft and leaves a silver stain on the fingers. Anyone have any...

I’m about to put my new 440 in the 69 Coronet. Is it advisable to mount the 4 speed up first and then angle/lower them in together? As apposed to lowering the engine in then installing the bell and trans from below, on the floor. I have a Harbor Freight cherry picker with a max of 1/2 ton at...

Anyone know where I can find the instructions to install a Centerforce Dual Friction clutch? Amazingly it didn’t come with any nor does their website have any. Just “notices” about certain topics. Good old google doesn’t provide any answers either. Do I just slap it on like a normal...

I’m wondering what people recommend for the input pilot of an 833, bearing or bushing? My specific situation is my crank is drilled to accept an 833. I chose the bearing over the bushing from Brewers thinking that a bearing would be superior. However, the pilot shaft of my 833 will interfere...

Im in the process of installing an American Powertrain hydraulic clutch. I need help with attaching the heim joint to the stock pedal. The instructions say to try to get it in the stock clutch rod mounting location for the best throw ratio. Problem for me is there are no mounting holes in the...

Just got back from the engine dyno today. Had a blast with the pros learning and wrenching. Hopefully someone will find this info useful in trying to figure out their build plan. Top Torque: 550 @ 4000 (HP 491) Top HP: 499 @ 5100 (TQ 541) Pic of full numbers below. Initial Advance: 10 All in...

Anyone have the scoop on the 440Source Aluminum Water Pump housing? I was speaking to a vendor and he "recommended that I look into it first". I was about to pull the trigger on the pass side outlet version. I have a cast stock one but I figured saving the weight was a good idea, but im not...

I’m converting my 69 Coronet from a 340 to a 440 but keeping my 833. Will the 833 location be different or will it stay in the same place? I did some searches based on driveline length but couldn’t find anything useful.

I'm building a 440 that is going to drop into my 69 Coronet (pic below). I don't care about being stock. My original intent was to do something that was dark and sinister. Here is what I have already: Blue Coronet Black engine bay Black RPM Intake Bare Aluminum Perf RPM Heads (can be painted)...

Anyone have experiences with SRP Pistons? I'm looking at these due to their slightly larger CC volume (7cc) over something like an ICON (4.4cc). https://www.summitracing.com/parts/srp-213455-8/overview/make/dodge

I'm working with my local machine shop on building my 440 and they are recommending that I back my compression on the build down. Based on my specs and components the dynamic and static compression ratios are calculating out to be 10.3 static and 9.284 dynamic, with about 182 cylinder pressure...

So I just got the word back from my machine shop that the steel crank I was planning on using for my 440 build is cracked in two places. The machine shop recommended Engine Rebuilders Supply in Oregon. Anyone have any other ideas as to where to look for a stock 440 steel crank? Switching to...

I need to figure out what flywheel to use on my 440 build. Its going in a 69 Coronet with a 833 and 4:10 gears. The car will be 99% street driven. 500hp/tq. Which one should I use, 11 or 10 1/2? I've read that a 10 1/2 is recommended for race applications. Seems to me I would want the 11" due...

Since I am ordering all new parts for my Performer RPM 440 heads should I consider going with a 1.6 ratio over a 1.5? If I do go with 1.6 would I need to change my cam and spring selection of Comp Cams XE285HL and Comp springs? I'm sure this has been debated on here before, I just couldn't...

My bare Performer RPM heads will be here shortly so I’m starting to put together a parts list. The question of the moment is my valve choice. I have found three options in the 11/32” size. Edelbrock - $139 Hughes - $105 440 Source - $80 Is there any difference here? They all say 21-4N...

I just purchased a bare set of Edelbrock Performer RPM heads for my 440 build and now I'm looking at the rest of the components. Can anyone comment on the quality of the parts in this Comp Cam kit? I'm looking for info on any piece of the kit that isn't recommended and would force me to...

Anyone have advice on the max dynamic CR I should build for with only 92 octane available and running between 0-500 sea level?

I figured I would make this thread to document my misadventures in building an engine for the first time. If I even get that far. After doing some block research I went ahead a dropped some cash on a ‘76 440 long block off CL. Supposedly this thing had 50k on it when pulled and had never need...