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If it's high MPG you want, the '75-'76 slants are not the best candidates. I bought a '75 Valiant Brougham brand new, and it was the only A-body that I really disliked. I traded a '68 Fury 318 that got 14-15 city and 18-22 on trips, for the plush, but woefully underpowered Valiant that averaged...

I brush apply gasoline to remove most of the gunk from any carbon covered parts, then a final spray cleaning with carb cleaner. I once had a parts cleaning tank with a pump, and bought bulk solvent five gallons at a time from NAPA, but it didn't seem to work any better than gas. The water based...

Great story!...thank you.

I owned only one slant six that got less than 20 in mixed driving with reasonable driving habits, and it was a new 1975, 225 Brougham fully loaded with options. It was in the15 mpg range. My current '64 Valiant convertible with a Super Six averages 17-18, with a high of 21. The biggest problem...

They also used the earlier flathead industrial six. We had a Co-op combine and a Co-op #3 tractor with them. Our machines were both manufactured by Massey Harris, and I know the neighbor's Massey Harris combine had the Mopar six for power. I saw later machines with slants, but we never owned...

At this point just a guess, but since it ran once after emptying the carb, it's probably getting too much fuel now. When you turned the carb upside down, sediment from the bowl might have gotten in the needle valve and now it won't close, causing the engine to flood after running for a few seconds.

I recall taking a test drive in a new Volare wagon when the Super Six first came out. I thought it had a 318 by the way it performed. A properly tuned slant with the right gearing is a decent performer, so I agree that a gear change will give you the most bang for the buck. My '64 Valiant has...

Oops! It should have been "slant", instead of "318"...fixed it.

The adapters were also used on police and taxi heavy duty packages with slant six engines, but I agree that a 904 behind a slant is a much better setup and less expensive.

Pretty much normal for an old car on modern fuels. What you think is oil might well be nothing more than soot from the tail pipe and muffler that's been liquefied by moisture in the exhaust at startup. Sometimes it can look pretty bad, but if you're not burning oil it's not a problem...unless a...

...or you can get cast iron headers from Doug Dutra.

Most good sockets won't fit inside the tubes. I have a special spark plug socket that I use for the larger plugs. It's deep, has a thin wall, and there is a piece of soft foam rubber inside the socket that protects and grips the ceramic so you can pull the plug out without damaging or dropping...

Check it out before judging. I've painted a bunch of "orange" Chrysler slants and small blocks, and even the Mopar Performance colors don't match perfectly.

Duplicolor Chrysler Industrial Red is nearly perfect.

It's more likely the counterweight on the butterfly valve in your exhaust manifold. If the spring is broken or weak, and the valve is free to move, it will rattle.

Ditto to Furiousvip's suggestion, and I'd go with even lower gears. If you absolutely must modify the engine, install a two barrel Super Six setup. Then if you do change to a V8, you can easily sell the SS carb and manifold, and might even make a profit. That said, I would keep the slant. If you...

Same issue I have with my '64 Valiant. The stock replacement mounts are simply too short. I had to do some spacing with washers to gain exhaust pipe clearance from the torsion bar, and it still isn't enough, but the molded-in studs are too short to use more spacers. The way it now sits, the...

A friend who spent over forty years in the refining business says regulation is the biggest expense in producing gasoline. Not just all the EPA, OSHA and state requirements, but the need to create and control dozens of different blends for different parts of the country, and to comply with blend...

I'd give the exhaust gaskets a second check.

I just installed a 2-1/4" headpipe from Accurate on my '64 convertible, and it's almost a perfect fit. The only issue is that the pipe hits the torsion bar when the engine torques on startup and under hard acceleration. Their stock diameter pipe shouldn't have this problem.

Valvoline 10W30 racing oil...and don't ask why, because I can't give you a reasonable answer.

Slants are extremely fussy about the distributor installation. One tooth off, and you get exactly what you describe. I've sworn they were installed correctly, but when I moved it one tooth, it started immediately.

Best average slant mileage I've personally witnessed was my dad's new '61 Savoy with automatic. It consistently made 21-23, and 24-25 on trips. Best I ever owned was a '63 Signet automatic. It averaged 19-20 and 23-24 on trips. Short runs under perfect conditions might have made 27, but 30...

I have a bone stock '79 Super Six engine in my '64 convertible, and since the rebuild, I've only had one opportunity to check it, so the numbers don't mean much. The engine isn't broken in yet, and in this 100 degree weather, a carb full of ethanol fuel will evaporate in two days. Most of my...

I had a good friend who was a darn good shade tree mechanic. He used recycled oil and rolls of toilet paper for filters in his cars and trucks. I don't recall him having any problems as result, but he could never convince me to try it.

Please clarify...when stopping, does the alternator go to full discharge and then the engine start to stumble? What happens when you first start the car...does it run okay when it's not in gear and idling? If I'm understanding the symptoms correctly, it sounds like you have a serious...

I went to a suspended pedal in my '64 Valiant using parts from a '79 Aspen Super Six. It was an easy installation if you aren't after a pure stock look.