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I actually only need the threaded adjusters with lock nuts for a stock 1970-71 340. I've checked many places only with a NO, don't have: Bouchillon, Jegs, Summitt, Mancini, Hughes. This is a pic of the first two bent CompCam pushrods. The adjustable rocker arm set is for the 273 engine and...

Wondering why this hole is there? Water and dirt could get in.

Can anyone confirm this 2 groove pulley is for a 1970 340 for an Abody? If so, thank you.

I've read before others having this problem. Stock 1970 340, stock vibration dampner and stock 2-groove crank pulley. Only 5 of the 6 holes line up. My in-family Mopar expert says that's not right; either dampner is wrong or pulley. Pulley # 3814378. I can't find if that # is correct for...

So I took this 2780930-340-7 (what the heck does the 7 stand for)stock 2.9.72 built bare block to a local machine shop. Their clean/ shot blasting cleanup is $100 which I thought was fair. He then took a look at the rust and said it would take a lot more. Bore, hone etc. Has anyone started...

Cruised Woodward Wed nite and the Demon overheated in the parking lot. Got it home, changed thermostat, gasket, rtv, added better hose clamps and done for the nite. Engine has run hot for 3-4 years but not on the gauge. Went to start it this morning, it cranked but didn't start; floored it 4 or...

My 340's oil pump is 21 years old and the oil gauge seems to indicate a little low so thinking about getting new oil pump. Any suggestions? Cars stock with a slightly built 340 w/ 4spd. Doesn't burn any oil or eat any more than normal. Is there a oil pump that is much better than stock OEM...

Took the Demon340 out yesterday for a 100 mile trip and when I got home there was oil sprayed on the front of the air cleaner and the hood. Didn't see any leaks from valve covers and the only place looks possible the dip stick. Car has run hot in the engine compartment but not on the gauge. Oil...

For those of us who have never had a rear main seal leak, can you tell me (us) how do we discover we actually have one. I got under the car and oil drips are on the oil pan drain, inspection cover hole, starter, splatters on the exhaust pipes and the A833. I have double-checked all valve covers...

New restified 800 TQ, 340, 4 spd, electronic ign. Put a timing light on it at idle and it reads 10 btdc. Quite often on this thread it is said to be at 35 advanced at about 2500 rpm. When I rev it the mark disappears, so how do you know its 35? Stop laughing, it has been over 30 years since...