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66 mustang

  1. Weird gauge issue

    Classic Tech
    Hi all, 66 coupe, 289 auto I had the gauge cluster out to run a new switched power wire to my new tachometer, and now with it all back together the gauges are acting weird. When I turn the car on, the fuel and oil pressure gauges max out, and then slowly return to 0. The battery voltage gauge...
  2. 289 HEI install problems

    Classic Tech
    Hi all, 66 coupe 289 auto, trying to install this GM-style HEI distributor a friend bought for me but can't get it to run. I got the engine to 0 degrees on the crank pulley and the #1 piston all the way up and got the distributor to seat all the way. Is it possible to have the crank at 0* and...
  3. Edelbrock top end kit 2027?

    Classic Tech
    Hello everyone, This is my first post to the site and I'm the proud new owner of 66 Mustang with a 289, C4. This being my first classic I am a complete novice when it comes to the engine bay. Don't get me wrong, I know my basics and I have done minor upgrades like disc brakes and electric fan...
  4. Master cylinder pressure

    Classic Tech
    Hi everyone, 66 Mustang coupe, 289/auto, factory disc brakes up front, rear drums. So I've had the car fully up on jack stands for 3 or 4 months doing some work to the rear and suspension, but haven't touched the braking system at all. Finally got finished everything I was working on, lowered...
  5. 1966 Mustang Turn Signal Problems!

    Classic Tech
    Today I found out that my turn signals on both the left and right side of my Mustang will turn on, but will not blink. I've checked the emergency flashers to make sure that they still blinked (they did) and the cause was not the turn signal flasher. I'm wondering what else could be the reason...
  6. 1966 Mustang Ignition Starts in "RUN"

    Classic Tech
    I wired up my ignition based off of the pictures attached and it cranks in run instead of start. I got the red/blue wire from the ignition going to starter side of solenoid, yellow wire from ignition going to battery side of solenoid, then the red/green wire going to small post of the solenoid...
  7. Need 5.0 EFI Wiring Help

    Classic Tech
    So I have a 1966 Mustang that's finally getting close to being running. Mainly I need to finish the hydraulic clutch and brake system and then the entire car wiring harness. It's got an EFI 5.0 out of a 1988 Mustang with a T-5. I'm using a 1991 Mass air harness with an A9L computer. Im then...
  8. Engine swap

    Classic Tech
    Hey guys! I currently have a 289 V8 in my 1966 mustang. I am looking at getting a bigger engine to put in. I was looking at a 302 or a 347. Does anyone know if I were to go with the 347 would I need to change anything in the engine bay such as motor mounts? I've read that with the 302 nothing...
  9. Installing A/C registers

    Classic Tech
    I'm installing a concourse a/c into my car, and decided to buy some new parts for it. One of the parts being the 4 registers for the front of the actual unit. I'm having trouble installing these, and that's just created scratches around them. I can't seem to find anything about this online, so...
  10. 66 Mustang Radio Bezel

    Classic Tech
    I replaced my AM/8 Track radio with a Custom Auto Sound USA-230 and CJ Pony Parts failed to mention that if you are replacing an 8 Track the dash will have a big gap. Nobody makes a bezel for this, any thoughts or ideas on how to fix this will be appreciated. I called a few car stereo stores who...
  11. Bolting list of 66 289mustang motor

    Introductions
    looking for a list of bolts for motot ( valve covors, intake, exhast , waterpump ect.) is there a place that I can go to look and print a list of bolts to buy local
  12. Newbie to Group

    Introductions
    Hey guys, Im new to the forum and wanted to introduce myself. I recently bought a 66 Mustang which was an original straight 6, but the previous owner dropped a 351W into it without swapping out the rearend or front end. I just had the car restored cosmetically from inside and out and it is about...
  13. New 66 Mustang!! Lots of questions!!

    Classic Tech
    Hey All, Just picked up a 1966 powder blue Mustang on Thursday Automatic V6 Been a Dream of mine for a long time, super excited its a reality now! I have reallu only had the opportunity to drive her home approx 60 km... And shes just waiting to get out there more. Has only driven 3 miles...
  14. Adding Gauges To 66 Mustang

    Classic Tech
    I'm going to add a rpm gauge to my code A to be safe and since im adding gauges what else should i add.
  15. 1966 Mustang Started all Day then suddenly wont

    Classic Talk
    I started my 66 all day 5-6 times, no issues. Started fine, quickly, smooth. Then suddenly last time it started cranking realy slow. Thought it was a dead battery - got a jump. Tried starting in Park and Neutral Did not help at all with minmal improvement in the crank speed / duration. I...
  16. 66 mustang horn not working

    Classic Tech
    On the '66 mustang we have the horn doesn't work unless the steering wheel is racked all the way in a bind. To pass inspection I've put an accessory horn button down by the shifter. This will activate the horn so I'm sure the problem is in the steering wheel. I've been told there is a...
  17. 1966 Mustang parking/tail lights

    Classic Tech
    My wife has a 66 Mustang (I've always been a Camaro guy) that had a bad aftermarket stereo installed. For Christmas I bought her a vintage appearing stereo that had an input for her iPhone. After installing the stereo (and getting rid of a lot of the bad old wiring) the tail lights/parking...
  18. 1966 Mustang 289 Automatic Engine Noise Similar to SuperCharger

    Classic Tech
    Hey guys, first post in what I'm sure will be an ongoing relationship. I recently picked up a 1 owner 66 289 Mustang in premo shape. Shes a bit ugly at the moment but that will change as time goes by. The 289 has a rebuild with about 15k on it. Its been sitting for a couple of years only...
  19. Suspension problem & Uneven ride height 1966 Mustang

    Classic Tech
    I need help, I havn't been able to fix this issue yet. I recently replaced my front and rear springs with new springst. After install, the first issue was with the driver side front sitting very low compared to the passenger side. Dri ver side is 24in from bottom to top fender lip, the driver...
  20. Front Suspension Uneven Ride Height Help - 66 Mustang

    Classic Tech
    Hey guys, I have a 66 mustang that got alligned a couple months ago. I noticed the driver side sits about 1.5 - 3 inches lower than the passenger side. I thought maybe the springs or shocks were gone so I replaced the coil springs and front shocks but the height difference remains the same. Any...
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