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I switched from thinking the intermittent rough idle on my 75 New Yorker (440 engine) was due to carburetor problems to thinking it was due to vacuum problems. I found 2 possible sources of vacuum leaks. The first pictures show the vacuum tree at the back of the engine where the power brake...

After removing the catalytic convertor the car (1975 New Yorker, 440 engine, Holey 4175 spread bore) runs a whole lot better but still not as good as I like. The problem is an erratic (not smooth idle); sometimes surging sometimes chugging. I was thinking carburetor issues (sticky needle and...

Currently running Holley 4175 spread bore on 1975 440 engine. Thinking of switching to Edlebrock AVS2 1406. Mortske on You tube speaks highly of Edlebrock but my mechanic doesn't like them (claims they are bad in cold weather). Thing is the AVS2 is around %500-$ 700 cheaper than the Holley. Why...

Car just passed inspection ( thank you Jesus) but mechanic says car is running like crap (it's really not that bad just a rough idle once in a while). He measured the convertor temperature (450 degrees) and after the convertor (280 degrees ) so both he and I think the convertor is starting to...

Scotty Kilmer on You Tube claims lacquer thinner added to the gas tank will clean a catalytic convertor. Anyone try lacquer thinner? I won't ruin the engine will I? Paul

Full story; 1975 Chrysler New Yorker, 440 engine with Holley spread bore. When stopped at traffic lights the engine will idle very smooth in Drive (so there's a load on). Idles almost like it were fuel injected and you can't tell the engine is running. But then sometimes the idle will degenerate...

watching Pole Barn Garage on You Tube. Fellow is working on 1974 Dodge Monaco. About half way through the video he uses steam cleaning trick. He pours bottled water down the throat of the carburetor with engine running and he claims this breaks up the carbon on the valves and pistons. Has...

Recently had both lower ball joints fail on my Mercury (not at the same time but within a couple of months). Scary situation; control arm hits the ground and starts scraping. Good thing the ball joints failed at low speed instead of highway speed or car would have probably flipped. Any way ...

I like my mechanic (been with him since I had a 1986 Caprice) BUT I think he's getting pricey (maybe inflation). I asked for a quote on a front brake job for 1975 New Yorker. Nothing fancy . Replace brake pads and turn rotors (no new calipers, no new rotors). His quote was $400. Then I asked if...

Is there a good video (maybe on you tube) showing how to replace front brake pads on an older Chrysler (1975 New Yorker)? Watched Chris Fix on you tube but his videos are on newer cars. I'm wondering if the older cars are significantly different. I'm planning on turning the rotors. Does anyone...

Watched review of NIO's new Firefly model (Bjorn Nyland I think) on you tube. Car had a rectangular steering wheel like the early 60's Chryslers. What are the advantages of a rectangular steering wheel and why did it get phased out? Paul

Actually I'm trying to find a fluid leak and I suspect a rotted transmission line but I figured as long as I had the car on ramps I would try to change the fluid and filter and adjust bands (FSM says to do this every 25,000 miles). I tried to find a video on you tube but no luck for a 727...

My tires are good now (will pass inspection) but I'm worried about tire dry rot in the future. Tires are expensive and I'm wondering if there's a treatment (spray) that will prevent or delay tire dry rot. I'm thinking something like Armor All but is there better product out there that will...

when I replaced the timing chain I put a new heater hose nipple in the water pump housing. Now it leaks. What's the best way to seal the leaky nipple ; pipe dope on the threads, thread tape, or silicone or RV sealant? Paul

Interstate battery with 950 cca for $65. That seems kind of large to me. Worried about it burning up the starter or the electrical system. Has anyone used a 950 CCA battery in a Chrysler New Yorker with 440 engine? I thought a 950 was designed for a tractor or something with larger engine. I'm...

Always looking ahead I have a question on fuel cells. I don't need a gas tank now but in preparation for the future, has anyone used a fuel cell in their New Yorker instead of replacing the fuel tank? A fuel cell seems like a cheaper and easier way to replace a gas tank. Has anyone tried this...

Watching Dead Dodge Garage. Subject matter was 1964 Newport with push button Torqueflight transmission. Narrator claimed that Ford Type F transmission fluid provides crisper shifts in the torqueflight transmission than the Chrysler product. Does anyone on this board use the Type F fluid and...

1974 Imperial on Pole Barn garage. I watched the fellow get it running and driving it. 2 questions 1) he smelled the gas and says it was bad. What does bad gas smell like? 2) can you really use ATF in the power steering unit? I always used power steering fluid. Nice looking car. He had it for...

I think I have a sticky intake valve(s) on my 50 year old 440 engine. Coughs up combustion gasses through the carburetor on initial startup (haven't done a compression test). I suspect carbon build up on the valve. Watching YouTube I've seen testing on a number of products (Marvel Mystery Oil...

Looking for battery for my New Yorker (440 engine, MSD coil). Fellow from MSD said the MSD coil needs a strong signal to produce a quality spark at the plug. I'm thinking of a 850 CCA Interstate. Stopped at Advanced Auto and they showed me an AGM battery. Saw where AGM batteries can produce 900...