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Need to purchase whatever spark plug heat shields that I need for my 1970 383 Roadrunner. I know I need the double shield for the passenger side (shields the #6 & 8 plug). Not sure about the driver's side. Have only found one for the #7 plug. Are there any others needed? Thanks

Have a 70 RR with a 383. The engine did not have any of the factory spark plug wire looms and heat shields on it when purchased. Have got to the point with the car that I would like to purchase and install the looms and heat shields (I have the exhaust manifolds off and painted) . Looks like...

Going to replace my spark plugs. Does not mean much to be to be "original"...just want to get the best spark plugs to use now days. Technology has changed in the last few years. So what would be the best set of plugs to use? thanks

I have a 70 Roadrunner Convt (383/Auto?PS/PB/AC) Have added power windows and an aftermarket stereo system. Alternator has gone bad and have ordered a new 65 amp stock alternator (externally regulated). What all do I need to do (if anything) to safely use the larger alternator? Have been...

I have a 70 Roadrunner Convt. (383; Auto; PS/PB; A/C) Would like to switch over to a single wire internal regulated alternator with high amperage (95 amps...have added an aftermarket stereo system and power windows). Just wondering what all has to be done to convert besides running the correct...

Can someone please tell me what voltage I should get on the negative side of the coil on a stock 1970 Roadrunner, 383, automatic? Hopefully someone who owns a 70 Roadrunner can verify the reading with a volt meter? thanks

Have a 70 Roadrunner (383). Has the Orange Mopar Electronic Ignition Control Module mounted on the firewall. Have a fairly new Tic-Toc-Tac (2 years old) that I purchased from (do not want to say at this point), anyway it stopped working last fall and this past week I decided to try see what...

This was the first step for my power window conversion and after market stereo system projects for my 1970 Roadrunner convertible. Stock electrical system was no way going to be up to powering everything so the only choice I had was top add a Painless #70107 circuit aux. fuse panel. It can be...

Can anyone tell me what size of alternator came with a 1970 RR convertible (383/Auto) with factory A/C? thanks

In the process of adding a aftermarket stereo system to my 70 RR. The 5 channel amp has a max output of 600 watts. Will I need to change my stock alternator to a larger size? Thanks

Planning adding power windows to my 70 Roadrunner convertible. Was wondering if anyone has any photos of how the power window harnesses are placed on and inside the doors and rear interior quarters.... Thanks

Have a 70 Roadrunner. Going to do a 4 window power window conversion kit from NuRelics and add a nice sound system so I ordered a Painless #70107 seven circuit Aux. fuse panel to handle the extra electrical loads. Just wondering if anyone has add one of these to their Mopar. The stock...

Plan on adding power windows and nice sound system to my 70 Roadrunner convertible this winter. Need to add an alternator with more amps (150-200) and would like to change over to to a single wire internally regulated one. Wondering if someone could tell me all that I have to do to make that...

Looking at different ways to be able to "safely" add more electrical circuits to my 1970 RR convertible. It already has factory A/C and along with the power top pretty sure the "accessory" circuit is at it's max. Want to be able to add power windows & locks, alarm system, nice sound system...

Have a 70 RR convertible that I would like to replace the main wiring harnesses and fuse block with one of the new aftermarket kits (Painless/Ron Francis, etc...) it already has factory A/C. Want to add power windows/locks, nice sound system, alarm, electric fans, etc...and would need more...

Need to replace my stock alternator with at least a 100 amp and hopefully a single wire unit with an internal regulator.....going to be adding power windows and an after market stereo to my 1970 RR Convertible (it's a 383 car/automatic) so I will need more amps. Have seen references to having to...

Started up my 70 Roadrunner to go to a cruise night yesterday and noticed that the volt meter (I have a 3 gauge aftermarket gauge set under the dash) was showing just under 12 volts. When I applied the brakes the voltage dropped down to 10 volts. The system has always been showing approx 13.5...

Was installing a set of aftermarket gauges (3 gauge Auto meter set under the dash). In the process I discovered that the Rally Dash back lighting is not working. (car was purchased late last year and have not driven the car in the dark yet......) When I turn up the dash lighting dimmer wheel...

Recently purchased a 70 RR. Has the rally dash but does not have the Tic-Toc-Tac......has the Rally Clock installed instead. I see a few places sell the Tic-Toc-Tac's. Have seen references to some be re-calibrated or changed to work with electronic ignitions. What should I look for on the...

Pulled the alternator out of my 70 RR (383 + A/C car); Tried to "google" the numbers on it but cannot find any info on it. Numbers stamped on it are 4111973 32 46264 Can anyone tell me what the amp output is? I checked in the alternator section of the 70-71 Mopar Parts catalog and did...