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So, I have an LD340 and a 4611S AVS carburetor on my 71 340 Demon, I can’t seem to get the carb base to seal to the intake manifold, I’ve tried several gaskets (all the same shape / type as the one pictured) but still get a vacuum leak around the bottom of the carb when spraying carb cleaner...

Anybody ever run into this - I bought a nice LD340 intake manifold for my 71 Demon 340, installed it then went to install a set of MP aluminum valve covers and the lips on the bottom of the valve covers where the gaskets are, hit against the runners of the manifold, I'm scratching my head trying...

OK, on my 71 340 4 speed Demon what starter do I need? I had no starter for it so I called NAPA and they sent me a big ol 3 bolt direct drive starter with a cast iron nose. I thought the standard Mopar 2 bolt gear reduction aluminum nosed starter was the right one, any ideas??

Almost ready to install the engine and transmission in my 71 Demon and was wondering what everybody's thoughts were on installing the engine and transmission together as one unit? I've always installed drive trains a piece at a time, but all of the car builders on tv seem to install the whole...

Isn't there a way to tell what car a 340 engine came out of by the number stamped along the oil pan rail? I recently bought a 340 for my '71 Demon and am just curious.

Do I need one of those 90 degree oil filter adapters to run a 340 in my 71 Demon? I have an engine out of an E-body Cuda and it doesn't have an adapter.

I just bought a pair of motor mount brackets from eBay from a 1967 Dart with a 273, was planning on using them on a 71 Demon with a 340, I saw some other ads on eBay that say 273 - 318 brackets are different the 340 - 360 brackets, I thought they were all the same, what's the difference??

I recently purchased a 1970 340 engine that is complete. The engine was in an E-body Cuda, my question is this, will the oil pan that's on the engine work in my 1971 Demon?? I'd hate to try and set the engine in and find out the pan won't work. The number on the oil pan is 294, any ideas??

Hi again, I am reassembling the 4 speed pedal setup for my 71 Demon and have run into a snag. When I took the pedal assembly out of the car, I found that it had had a very rough life, both pedals were extremely bent and misaligned, the the clutch pedal return spring and shaft were missing and...

Hey everybody, I'm new here and have a question that maybe someone can help me with (the first of many probably!). I have a '71 Demon 340 4spd car that I've owned for a couple of years now and have been gathering up parts (you know the drill) for it ever since I bought it. I just bought a...