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  1. PurpleBeeper

    Air cleaner sticker

    Butyl rubber adhesive will work
  2. PurpleBeeper

    Inexpensive “Cordoba” Brake Upgrade for 70 Road Runner

    Good point. I should replace the brake hoses regardless. It has some weird Speed Master proportioning valve in it. When I put inline Tube SS brake lines on and used their proportioning valve, I lost brakes completely. A shop installed the oddball proportioning valve
  3. PurpleBeeper

    Inexpensive “Cordoba” Brake Upgrade for 70 Road Runner

    True, but I figured if I upgrade the master cylinder I could upgrade the rotors too
  4. PurpleBeeper

    Inexpensive “Cordoba” Brake Upgrade for 70 Road Runner

    Soft pedal, bled 3 times & shop says the master cylinder doesn’t have enough force. It won’t lock up the brakes
  5. PurpleBeeper

    WTB N96 hood hinges ( heavy duty)

    I’ve never heard of heavy hood springs (I’m not an expert, but do have a 70 air grabber). Maybe your factory (original?) springs are just weak??? You don’t notice until you put a heavier hood on
  6. PurpleBeeper

    Speedometer cable

    Yeah, I don’t know if it’s 2” or 8” or whatever where the problems start, but it seems like when they’re really too long the inner cable hangs up on the big bends
  7. PurpleBeeper

    Inexpensive “Cordoba” Brake Upgrade for 70 Road Runner

    I’ve got a 70 Road Runner OEM power front disk car. I’ve already switched to ‘74’ish A-body disc front spindles & ‘73 1-piece rotors. I’d like to do the “Cordoba swap” on a budget and switch to 11.75” rotors (I have 15” factory steel wheels). What cars/years should I find salvage yard caliper...
  8. PurpleBeeper

    perpetual motion generator

    It’s a basic law of existence (physics). You cannot create energy out of nothing (unless you are God). The reason we don’t pump water back up hill to go through a dam a second time is because it would lose energy….you would need electricity to run it and it would always make less electricity...
  9. PurpleBeeper

    Speedometer cable

    Make sure the cable isn’t too long (check factory length) or they can bind. Make sure it’s not melting in your exhaust. Make sure your speedometer turns freely (as mentioned)
  10. PurpleBeeper

    Air Grabber Air Cleaner Base questions

    Factory A/C compressor definitely hits the air cleaner base
  11. PurpleBeeper

    66 Coronet 361 Exhaust opinion

    Your exhaust is fine for that motor. I’d add headers before larger pipes if that’s what you’re thinking. An aftermarket aluminum dual plane intake would make sense.
  12. PurpleBeeper

    Trying to "find" my timing marks

    There will be a slot/line on the harmonic balancer. Basic "white out" on that line helps a lot
  13. PurpleBeeper

    Air Grabber Air Cleaner Base questions

    The 69 air cleaners have 2 wing nuts (even the 4 barrel) and the 70-72 baseplates only have one nut/stud
  14. PurpleBeeper

    70 coronet no start with ignition key.

    Yep 70 only “clutch neutral safety switch”
  15. PurpleBeeper

    70 coronet no start with ignition key.

    Well, the key is doing “something”. If I understand correctly, you turn the key to “on” and jump the starter relay and it fires up and runs. If you turn the key to “start” it doesn’t crank over (?) or it cranks over but doesn’t fire up & run? Either way, it sounds like an ignition switch or the...
  16. PurpleBeeper

    Sub frame repair/ 74 Satellite

    Contact moparmark here for frame sections
  17. PurpleBeeper

    WTB fuse circuit

    Yeah, Radio Shack went out of business several years ago. You just need to rob one out of another fuse box
  18. PurpleBeeper

    New tires for the 69 GTX

    1. Circumference of your tire = 3.14 x diameter (height). You can get tire height (diameter) from tirerack.com 2. Old tire circumstance divided by new tire circumference = relative rpm. Example: 4.10’s and current tire (28” tall x 3.14 = 87.92 inch circumference)spin 3500 rom at 70 mph. New...
  19. PurpleBeeper

    1970 GTX

    Factory service manual available for free online
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