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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...

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...

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...

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...

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...

Does anyone know the pressure of the fluid in a transmission line cooler hose under operating conditions (in psi)? Reason is I'm trying to patch a transmission line in my 1975 New Yorker with 727 transmission. I'm debating on whether to use a cooler hose with 2 clamps on each end or a steel...

After driving my 1975 New Yorker I saw a small pool of transmission fluid on driveway. I think one of the lines has developed a leak. My mechanic wants $300 to replace the lines (over the phone estimate). I was thinking of cutting the original steel lines close to fittings and splicing in a...

I've been using Shell Rotella diesel oil for my 75 New Yorker cause it has ZDDP for flat tappet engines. Read an ad for Valvoline VR1 oil. They said the diesel oil has the wrong ZDDP for flat tappets and the Valvoline VRI has the right ZDDP. I don't understand the difference in ZDDP. Has anyone...

Watching Simon Fordman working on a Torino on You Tube. The guy is brilliant (no words spoken, no emotional outbursts when things go wrong; just a steady, methodical step by step process). So he takes the gas tank out and puts nuts and bolts and chains in the tank. Then he welds a bar to the...

I recently posted about a clogged idle circuit in my Holley 4175 carb and I posed the same question to Mike of Mike's Carburetor. I told him I hadn't started the car an about seven months while I worked on the timing chain. He wrote back that 7 months was too long and the gas had probably turned...

1975 New Yorker with 440 engine and Holley 4175 spread bore carb. Replaced timing chain and engine starts and runs smooth until engine comes off choke. Then the idle is not so smooth. Tried adjusting choke but that doesn't seem to be the problem. Now I'm thinking that because I did not run the...

Have a Holley 4175 spread bore with electric choke on a 440 motor. Changed the timing chain and the car starts right up and runs smooth for a minute or two (even with a load on) and then it starts to falter and the idle with a load on becomes rough. I'm suspecting the choke needs adjustment...

debating whether to replace my old alternator belts. A few cracks but people tell me there is still some life left. They are Goodyear Matchmaker 13661 belts and my understanding is they have to be replaced as a matched pair. Is that right? Cause Ebay has ONE for sale for $7.89 but I don't know...