Common parts that fail / things to keep spares of in an E-Body?

[Grec]

Now that I'm actually driving my Challenger on a regular basis (woohoo!) I'm thinking about keeping a spare of common parts that fail in the car.

I know the ballast resistor is a good one, and I've heard voltage regulators go out unexpectedly sometimes... Anything else?

[340challconvert]

The fuse-able link at the starter relay is a good part to have on hand.  Always kept a spare in the glove box even years back so I wouldn't get stranded.

I would also keep a spare set of points, rotor and cap back in the old days.  Less problems if you converted to an electronic ignition though on a 70-71 car.

[mopar jack]

If electronic I keep a spare ecu, reluctor pick-up, distributor cap, ballast resister, coil, voltage reg, and jumper wire. I carry a spare upper rad hose and fan belt to run the water pump and steering. Most importantly a cel phone and good towing insrurance.

[Jousi]

I have been driving about 20 000 miles in last four summer, my driveline is modern, so no issues there.
But a windscreen wiper system(2-speed) seems to be quite weak and prone to have problems. Also couple voltage regulators have broke. And turn signal switches. Learned also only use quality ball joints and bushes (Moog).   

[74 challenge]

My only failures have been at the hands of old gaskets so I keep a tube of high Temp RTV.

[Cudakiller70]

Great thread idea, I'm new to Mopars so this is good to know. Not specifically Mopar but, I keep a better quality tire plug kit (corded not solid rubber) and a 12v air compressor because I don't have a spare, plus it's just faster and easier to plug your tire.

[70chall440]

I once has the stud on the carb break off at the threads; car would idle but I had not way to accelerate because the throttle cable was disconnected, I was wearing a GI field jacket that has a cotton pull tab on the zipper; I removed it and tied the end of the throttle cable to the carb linkage and limped it home. From then till now I keep a small amount of bailing wire in all my vehicles.

Basically, wire, some flex ties, a tube of RTV and some duct tape (of course some basic hand tools as well). If these wont get you to the nearest gas station/repair shop (or home if you are local); cell phone and AAA...

[Grec]

Thanks for all the replies, guys. Good stuff.

@70chall440... Love it. Zip ties, bailing wire and duct tape. I can think of a ton of problems that would solve. 

[YellowThumper]

Water and the radiator stop leak. Never know what might what might get kicked up and make a hole at the high rate of speed we are capable of...

My way of thinking is as many small things that don't weigh a lot and kill the trunk space.

Mike

[js29no]

All I need is A cell phone with A signal, so I can call for A ride to go get my wrecker. had to do it last summer, bad coil!

[CUDA JAS]

All I need is A cell phone with A signal, so I can call for A ride to go get my wrecker. had to do it last summer, bad coil!

Yep...cell phone (always with me anyway) and my CAA card.

Jason

[solarguy]

Not a replacement part but one of these new micro jump boxes.  I have the XP-10 here http://themicrostart.com/products/micro-starts/  I can tell you it rolls the 340 over no problem and starts my E150 with ease. 

[70chall440]

I might have to get one of those, for traveling and perhaps jumping a vehicle. I wonder how the smaller units do for jumping a vehicle.

[1 Wild R/T]

Commonly fails... Dash boards crack, who wants to lend me their spare?    

Another thing that fails? Those 70 style heater water valves, the red & black ones... When I built my car I got one at the local Napa, $12...OE red & black... It failed after about five years, Got another one Napa again.. $26.... It lasted about five years... Napa no longer could get the red/black valve replacement is a 71 & up metal valve.. Wanted to keep the OE look, found one on Ebay... Most were selling for $120-150ish.. I watched & caught one for $90... It lasted about five years.... Are we seeing a pattern here?   

[70chall440]

that's what the RTV is for...