Smoke coming from tailpipes

[68383]

I'm looking for some advice.

The Super Bee has been out of commission since last November due to a laundry list of stuff that needed to be done and not a lot of free time to do the work. I started the car regularly through April of this year, then had been working on a rear main seal and oil pick up problem, along with brakes and more.

I took the car to a local shop to have a front end polygraphite kit installed. I spoke with the shop owner on Friday and he said he noticed a problem with the Super Bee- that he saw the car driving on Route 20, to a local alignment shop, and there was a noticeable amount of smoke coming from my exhaust pipes.

I didn't notice smoke the last time I drove it (probably the Auto Rust cruise last October) or when I started the car over the winter months. I asked the shop owner if the smoke was white, blue or black. He said it wasn't white, but wasn't sure if it was blue or black and wanted to check it out.

I went to the shop after speaking with the owner and started the car up myself. I noticed some small puffs of smoke from both exhaust pipes. To me, it looked a little blue, but there was also some condensation spitting out of the tail pipes. I ran the engine for a few minutes at different RPMs but didn't see anything significant like a "smoke screen." The owner said he wanted to check it out early this week.

My initial thought is the car needs to be taken out for a good flogging to "blow out the gunk." The gas in the tank is from last November and I seem to remember the plugs looked fouled over the winter time. I thought that would have been from just starting the engine weekly.

I'm also wondering if I could have a problem with the rings and was thinking it would be good do do a leak down test.

Does anyone have any other thoughts or ideas to consider?

Thanks in advance.

 

[scotts74birds]

Since I'm not an expert, I would not usually offer an opinion. But the leakdown test is a great idea. I found one on the net and built it for pennies. It seems like a great tool to get started with and assess the general health of the motor, i.e. rings, and valves.

 

[Elvad]

Smoke

Loose valve guides make these engines smoke.The valve guides in these engines are the cast iron that the head is made out of (unless the guide has been replaced with a new steel or bronze piece) when they get tired that is a very common cause of a BB Chrysler smoking. A differential compression test is always a good idea, but won't tell you if the guides are bad. You can also remove the plugs, pressurize the cooling system, let the car sit overnight, and see if any coolant shows up in the cylinders but that also won't tell you if the guides are bad. It could also just be a carb issue. Also, one more thing, I hate to even mention, but if someone beat the ever living f*** out of your car when you weren't around can make the motor real tired fast too, sorry, but I've seen people do that on purpose. TRUST NO ONE (I live in Worc county too) Take the breather or oil cap off with it running/warm and see if you have a lot of blow by, this would be an indication of a lower end/ring problem. Is your car the really nice yellow one I saw in Marlboro a couple times a year or so ago? Don't forget to run a zinc additive in you oil from now on. Aubrey has it on the shelf

 

[68383]

I guess I got off semi-easy. The rear main seal I replaced is leaking and oil was blowing all over my hot exhaust pipes.

I was never meant to be a mechanic.

 

[68383]

Is your car the really nice yellow one I saw in Marlboro a couple times a year or so ago?

Thanks for the info. Mine's not yellow. It's a triple green 4 speed.