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So on my 66’ 273 Barracuda - I have Doug’s headers - please don’t tell him, he will want them back lol! Anyhow I’m running the factory 90 degree adapter and full size filter and do not want to go smaller filter…but the changing of the oil filter is a PITA. Oil over the headers and the filter...

QQ- but long winded: A few years ago I bought a pile of 340 parts. Part of the deal was a set of nicely painted and clean looking 3418915-H heads. What the heck does the “H” stand for? These are mildly ported heads, 2.02” and 1.60” configurations. Stamped 360 so I believe they are 71-72...

1966 273 Commando engine. Does anyone have the proper procedure for testing the older style pcv valve Like the one above? I could not find that on the 66’ FSM. I replaced mine and now all the sudden I’ve got major oil consumption and smoke on start up and decel. The valve inside seems looser...

So this post may have been done but a search did not show up what I was looking for. I installed the 273 back in my 66’ Barracuda and with the headers (Doug’s) I needed to reinstall the factory 90 adapter for the filter. It was original and had the 1-1/4” head and cast iron body. The bolt had...

I am looking to borrow or buy a good single or used 273 Commando piston. my machine shop may need it as I’m getting possibly custom pistons for a 273 Commando motor I am having them build. They need one for measurements to have custom pistons built for my engine. My current pistons are 273...

Can someone tell me the factory head gasket part number for a 66’ 273/4 Commando motor? Ive got 2463338. Making sure that is correct and not the 67 and newer 318 gasket. Thanks! Joe

So I want to know: If you are typically running on the street a small- small block, say 273 or 318LA and conventional thinking says they do not play well with single plane intakes ( I know people have done it... but without a good breathing heads, a higher lift cam, lower gears and headers and...

So for many of us rebuilding or repairing a small block Mopar this has been our bible. It was very well done - before internet and google and Wikipedia. This was OUR you tube. One of my favorite books of all time. So I ask: Where are the three now? Don Taylor, Larry Hofer and most of all what...

So I just got in my new cam for the 340. Lunati 10200703 Grind# VH44-VH45-110 So on the cam card it shows 106 centerline makes the cam 4 degrees advanced. Question is does that mean if the cam is set at 0 the cam is naturally 4 degrees advanced or when I degree the cam I need to set it to 4...

My 4 speed 340 Demon is about to wake up a bit. These just arrived today. Almost too pretty to put on the car!:usflag:

I was just thinking, that leads to drinking but that a whole another post. I cannot find anything but has anyone dyno a 318 in a car with original 318 manifolds and then dropped that 318 in an early A (or just swapped the manifold out) with the power steering clearing manifolds and redyno to...

Carolina machine engines- Has anyone actually bought one of their engines and had success with them. Reviews are okay - but just okay. Before I spend the cash for them I’d like a few reviews from trusted FABO members. I did a FABO search and a lot of “ohs” and “nahs “ but not a lot worth info...

Has anyone had an intake vacuum leak (oil being sucked thru ports from poor sealing) due to shaved heads? 74’ basically stock 318 Heads shaved .100” Edelbrock LD340 will that much throw the angle of the intake to head angles off and open up lower side to oil in lifter galley? “why did I shave...

So I just spent over an hour on the Lost and Found page trying to find the original 340 and 4 speed for my 72' Dodge Demon. Long shot I know BUT worth the try. So as I am reading thru one 340 number after another I start to try to pattern the date codes cast into the block and the 8 digit...

So I am going to use a set of M/T aluminum fined valve covers on a 318. All of the plug holes are knocked out- One is for the twist in fill cap and one is for a breather. The breather hole is like 1.5” i.d. I believe. Has any one successfully installed a PVC in the breather hole? I am assuming...

1974 318 with single alternator belt and power steering pump. Stock pulleys and locations. All work perfectly for the last 30 years. I just ordered the sandine 508 ac compressor with dual v belt grooves from Classic air and the proper brackets to mount it. The tech told me to use only one belt...

Good Morning Mopar world- and it is a glorious day today. So I've got a real brain storm idea about adjustable rockers on my relatively mild 71'340 in the Demon with my 4-speed and currently 3.23 gears 8-3/4- ready to change pumkins. But it has snow balled into a major set of changes- the wife...

Looking to buy a set of those Mancini 273 look a like adjustable rockers for the 340 with J- heads and I cannot find for the life of me the stock 273 push rod length. Anyone know for sure? I found a set of stock push rods from Mancic they sell as 7.500" in length but it has been so long I dont...