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How many miles are on the motor and tranny?

Find someone with a leak down tester and start there. Or perhaps start the car up and start unhooking plug wires one at a time to see if the sound of the motor changes.

It sure was!!

Look about feeling stupid! I have been having a problem with my Dart smoking at WOT. At half or three quarters throttle all was well, but when I punched it I could spray for mosquitos. I went over everything , but could not find a problem. I got a brain fart the other day and removed the air...

You can make all the horsepower you want, but if you can't get the car to hook you are lost. Look at better shocks ( adjustable) and either caltracks or at least an adjustable pinion snubber. Get the car to leave and you might be VERY surprised. Get the suspension working and THEN look at more...

I can tell you that high compression is fun but a royal pain in the ***!! My 340 has 13 to 1 pistons and I love put also hate them. The car is a BLAST to drive but knocks like a bastard unless I run race fuel. Run lower compression and enjoy your pump gas car.

I was told to glue two cork gaskets together to stop leaks. According to the member that told me it solved his leaking valve cover problem. I am willing to give this a try to see if it works.

They ran the motor in a dragster, but I do not know what et it ran. The motor is still sitting in the engine builders shop. I thought about buying it, but it is bored out 60 over so I am not sure if it would make a good street motor. I worry that it would not cool properly.

Way back in the day a local engine builder built one of these motors and used chevy pistons to get the right deck height.

red

If you need a tester let me know and I will send mine over for you to use!!

do you have a leak down tester?

I personally like the sound of them!

all I know is that is one Purdy engine!! Looks like lots of nice parts went into that build.

It was like that when I bought it. If I was doing it myself I would NEVER put those pistons in!!

I was talking to a guy this weekend that uses a 50/50 mixture of Methol Hydrate and water and says that it works really well in a methanol injection system.

I was thinking about trying it with my windshield washer bottle and pump!! Run them into a under carb nos plate.

I already have steel shims with my head gaskets and it still pings!

I am thinking of putting Metanol injection on my 340 to control knock. It has 13:1 pistons in it and it does NOT like the fuel I can buy here in Canada. I thought about pulling the engine apart and putting new pistons, but the motor runs very well and is balanced. I REALLY don't want to mess...

Me too!! Oh wait we are talking about headers?!?!? LOL

have tried that , but the car wouldn't run worth a crap. It is at 34 deg all the time. I tried dropping the timing and hooking up the advance, but that did NOT work!!

I just checked my oil level and it hardly moved after 140 miles or so. So I am presuming that most of the smoke I am seeing is from knock which is NOT good. I am really confused at this point and am looking at putting a water injection system to control knock. Any thoughts?

Had the motor out when I bought it and the A/C was a pain , but it worked. Our premium fuel sucks ***!! I have used race fuel, but at $15.00 a US gallon that gets really expensive quickly. As to what purple shaft I have I do not know as it was in the motor when I bought the car.

my car has a/c and power steering so it will take two weeks!!!!

We went for a 70 mile drive yesterday to a carshow and a recurring problem became MUCH worse! With our crappy fuel my 13:1 340 did not like the drive at all!!!! I guess it is time to take it out and make it more street friendly. The problem with this is that I LOVE the way it sounds and works...

You may need to add an accumulator to insure that you don't lose pressure at the top end.

If you are like me- NOT ENOUGH!! LOL

sounds like our motors are twins!!

That sounds just like mine!

My 340 does the same time if it sits for too long. One lifter gets load and stops ticking after a couple of blocks of driving!