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From my previous posts, you guys know I was having problems with the plastic Mopar heater valves starting to leak before 3yrs old on my 1970 300 Hurst. You guys also know I'm cheap, so I didn't want to buy a 3rd $120 valve. Maybe I have too much pressure in my cooling system which causes these...

Yes, its me again but now the vacuum won't turn off, so I made another post in order not to confused anyone. Previous to this, I found the vacuum line disconnected at the vacuum reservoir. I guess I accidently dislodged it when I was installing new heater hoses. But when I attached vacuum...

1970 300 Hurst with 440 auto. Saved from junkyard. Dash and firewall was rotted, but I got almost everything to work. When I bought it over a decade ago, heater/ac buttons were stuck, so I kept pushing/lubing them until they operated smoothly again. In the last few months, I haven't heard...

About 5000 miles ago, I bought a new heater valve for my 1970 300 Hurst for $100. It started to leak. I noticed the newer valves after 1974 are almost 1/3 the price (about $40). These are all steel which makes me believe they will last much longer than the bakelite valve from 1970? I try to...

1970 300 originally came with dummy light, but I wanted both dummy light and gauge. So I did this over 20yrs ago. Worked fine until this fall when I think sending unit or gauge became very inaccurate. Gauge sending unit is on top. Original dummy light switch is on side not in pic. I'd...

Last year, Car had a Motorad 195F, then I tried a Gates 195F thermostat. Over 85F, car was running at 210F (225F in traffic), so I put a 180F Summit thermostat in. Over 85F, it runs at 200. (210F in long traffic). I kind of understand why the drop, since thermos start to open at that rated...

When I got it from the junkyard 20yrs ago, one of the many first things I did was add a temp gauge. It would get up to 240 when it was about 85 degrees with A/C off. So I had the radiator recored, replaced the water pump, did a back flush on the system, and changed the thermostat and hoses...

Does the A/C 20 amp fuse only handle turning on the A/C and not the blower motor? If so, where is the 20 amps going to? So bought car from junkyard 20 yrs ago. Wires looked like spaghetti under the dash with some burnt when I got it. Cleaned up and fixed many connections over the years...

...on a 1970 300 with A/C (nonATC). I think mine is pulling a max of 11amps on high, but I don't know if I'm measuring it correctly. My blower no longer works on high speed and I read the solder connections on Chrysler speed switches melt after awhile since they are only rated at max of...

I apologize if answer was already posted but I couldn't find it. When I switch to low to med, I hear a very small increase in fan speed. From medium to high, no change in speed. My fan switch remains cool and my blower motor runs without any noise or smell, however before I got it, the car...