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Hey all, Im in the process of buying a '68 340 but its got a knock and out of curiosity I wonder what the main culprit could be. It was rebuild 7 years ago by a very well respected Mopar Engine builder/racer here in the UK. Its now .40th over and the only real details I have is it had KB 243...

So I have a 1979 360 from a Motor Home. 42,000 miles. It was running sweet before it was removed. Its gonna go into my A Body Charger as the 340 in there is smoking badly on two cylinders and needs a full rebuild but that will take time and much more money that I can spare right now. But I...

Hey all, so Ive picked up a 360 thats just came outta a 1981 Dodge Sportsman Motorhome. Its done a documented 42,000 miles. It was running good before removal. Im getting everything from the Altinator, Starter, Sump to Carb. I intend on fitting it to my Aussie Valiant Charger as the 1973 340 I...

Hey all, Im in the process of buying a set of 360 587 Heads and they appear to be 2.02" as standard. Would they have been 2.02" factory or have the been machined out? Can only see reference to 1.88" for this casting numbers. Cheers.

Hey all, so I have a '73 340 that was gonna get a budget build on but for one reason or another the builder has only got as far as boring it out 20th so I now have it home with me and plan on doing the build myself. So I have a fresh 20th over block, a Competition Cams 274H Xtreme Energy Cam...

Hey all. I’m replacing the heads on my 340 and it’s the first time for me. I’m following a book and the book indicated there is no wrong way to install a head gasket but I notice that looking down the front water jackets in the cylinder heads the new Felpro Gaskets seem to be blocking off the...

Well, Ive been reading up on all the porting threads and thought Id give it a go myself with a set of 596's I had lying around. Ive only got so far on the first Head and thought Id post some pics of the first two ports and I can only get so far in with the shafts I have just now. Any and all...

Hey all. Well I finally got the 340 and 4 Speed transplant done in my Aussie Charger but the 340 is a tired worn unit that really needs a rebuild but the cost of the transplant and the other mechanical work that the Charger needs this winter does not allow for that. So the '73 340 has been...

Hey all, I have a mechanic installing a new Weiand Intake on my 340 and the Mechanic is using the Metal Gaskets as seen on the right hand side of the image in the link and not the blue ones at the bottom right. he now has a bad water leak and he's blaming the heads. :/ Are these the correct...

Hey All, I have an Aussie Charger that Im currently converting from a 318/904 to a 340 4-Speed. The 4 Speed is a Borg Warner and specific to Australian Mopars. Im trying to firgure out how to get it all ballenced up and hopefully as cheaply as posible as the work is being done at a garage and...

Hey all, Ive stumbled on a 1973 340 from the North of Scotland of all places and was in a van? :/ Anyway the guy I bought it off of was not particular wanting to sell it but needed funds. He says its running etc but I've not see it do so. I can turn the Torque Converter over by hand. The...

Hello all, just a quick question regarding a 340 out of a 1972 Dodge Challenger Rallye I can get get my hands on. It looks stock from the images and Im wonder what 'seat of the pants' differences I'll notice if I drop it straight into an A Body with a 904 over a 318 with Headers, Eddie...

Hello all, I hope Im not going over old ground here although I feel I will be but I have done some research and thought Id throw it out here and see what the experts think. I have a '73 340 coming over from the US to the UK in the next month or so and will have that rebuilt to some...

Ok I have a 1970 340 that I plan on getting rebuilt soon. I found a pair of Edelbrock RPM heads on the UK eBay site and won them. Only now do I realise that the 340 Heads(#60179) differ slightly from the 318/360 Heads(#60779) The 340 I have will be getting bored 30th and have the correct pistons...

Hey, does any one know if a 318 crank is compatable with a 340? And what year did the steel crank get replaced with a cast one? Cheers, Andy