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1966 mustang

  1. Alternator undercharging

    Classic Tech
    Hi all, 66 coupe, 289 auto I'm having this problem with my charging system where at idle the battery sits around 12.5 volts, but if I rev the engine it will increase to the expected ~14.4 volts. The problem is when the car gets hot enough and my electric fan kicks on, the idle gets choppy. I'm...
  2. Intro

    Introductions
    I live on the Mississippi Gulf Coast and bought my first Mustang, a 1966 Coupe, at the Vicari Auction in 2016. I graduated from high school in New Jersey in 1966 and always wanted a Mustang. Nearly bought one while I was in the Navy but just could not afford it at that time. After the Navy I...
  3. Need Advice to build the engine on a 66 289

    Classic Tech
    Hey, Chris here, I have a bone stock 289 mustang, it needs a lot of work and right now I'm hoping to get the engine redone first. Just looking for some tips on what I could do to have some fun with it, mabye a good quarter mile and 0-60. It is running a stock 4barrel carb if that helps, thanks...
  4. Another crank/no spark thread

    Classic Tech
    Hi all, 66 coupe, 289 4bbl, auto. Rebuilt engine has a few thousand miles on it, no issues whatsoever. A couple months ago I pulled it in the garage to do a bunch of work and now it won't start. Details: Has an Edelbrock 1406, 4 barrel carb Pertronix billet distributor (electronic)...
  5. Hub-centric rings?

    Classic Tech
    Hi all, 66 Mustang, 289 auto, power disc brakes up front, drums in the back. I bought 17" x 8" Bullitt wheels to replace my old 14" Craggars, but needed spacers to clear everything because they are positive offset. I bought 1.5" spacers for the front and back, the kind that bolt to your hubs...
  6. List of 3G Alternators to Swap into a Classic Mustang

    Classic Tech
    I wanted to swap a higher capacity alternator into my 1966 coupe with a minimum of hassle. Lots of info Online (in fact, this horse has probably been beaten to death) but I didn't find a concise list of 3G alternators with part numbers. I understand that there are large frame and small frame...
  7. 1966 Mustang Coupe Build Date on Saturday?

    Classic Tech
    Hello Team, New member here with my second question. Pardon me if this has been answered before. Veronica was very kind to provide me with a build date of 16 April 1966 for my car. However, upon further investigation, I discovered that this was a Saturday. Does that make sense, or should I...
  8. 1966 Luxury/Deluxe/Pony Interior Trim Code 65A?

    Classic Tech
    Hello Team, New member here. I have a question about '66 Luxury/Deluxe/Pony interior trim codes. What's the difference between the "65" and the "65A" interior trims? Is the 65A ALL red crinkle vinyl while the 65 is combination of red crinkle and rosette vinyl? Thanks for your expert help!
  9. What wheel choices do I have? 1966, 5 lug.

    Classic Tech
    Was a 4 lug, now going to 5x4.5. I want 17" wheels. From what I am seeing, 17x7 front, 17x8 in the back will fit just fine. I am doing 1" lowering all the way around. Id like to do adjustables for the front since it will sit higher with the l6 than it will in the future with the 302. I really...
  10. 1966 Mustang t5 conversion question

    Classic Tech
    I have a 200ci inline 6 with the 3 speed right now, I saw the transmission said C40R-7006-A (i believe is what it said it is 50 years old lol) And I bought a world class t5 to do the swap. I am buying this adapter kit Classic Inlines Performance Parts - Ford Inline Six Products But I need...
  11. 1966 Mustang 200ci Clutch Question

    Classic Tech
    I just ordered my t5 for my mustang, now I need a new clutch, I have read that there are two size clutches for the '66, how do I find out which one I need/have? And what would be a good clutch? I am using the original bellhousing with the adapter kit, not the t5 housing. Also should I get the...
  12. 1966 Mustang with 5.0 swap

    Classic Talk
    Hi I am getting a 1966 mustang that is just a body but comes with a 5.0 engine and bell housing but nothing else. I was wondering what I would all need, how hard would it be, and can I keep the project under $5500(im buying the body and engine for $3000)
  13. 1966 mustang acceleration issues (fuel related)

    Classic Tech
    Alright I have the line 6, 3 speed manual and when I rev, or start going in any of the three gears its incredibly jumpy and hesitant to accelerate at the bottom of the gears, when you get to the top of the gears its a little better, but not great. It has new fuel filters, The fuel pump is pretty...
  14. rewired 1966 mustang driving lights turn off when turn on headlights

    Classic Tech
    hello, just rewired the entire car--- 1966 mustang replaced turn signal harness new headlight harness new tail light harness new alternator harness new underdash harness new gauge harness when I turn on the headlights on ..the driving lights go off. I had an issue with the turn signals and...
  15. Can you register a 66 mustang in maryland without a title?

    Classic Talk
    What all do i need to register it in maryland? Can it be just a bill of sale? are there emissions? Im looking this up for a friend, I do not live in maryland and couldnt find much of anything on google about it.
  16. 1968 Mustang. What is a good price, and how much will I need to spend on repairs?

    Classic Talk
    I am looking at a 1968 Mustang coup that needs some brake work and has rust damage throughout. It has a rebuilt 302 and a new C4 transmission put in. The speedometer, fuel gauge, etc. are all broken and the tires show signs of rot. It runs great and the steering (if a little loose) is...
  17. What do I need for a t5 swap 1966 Mustang?

    Classic Tech
    I have an inline 6, 66 coupe mustang and my 3 speed manual synchros are horrible and the transmission just sucks in general so im going to swap to a t5 from an 89-93. What all do I need? other than a t5 of course Bellhousing, clutch, flywheel, clutch linkage, shifter, adapter plate? im not...
  18. 1966 mustang 289 blows white smoke when in idle

    Classic Tech
    Hey guys, new to the forum here and hoping to get some insight about this problem. I drive this car pretty much everywhere, but I've been noticing that it blows white smoke out the tail pipe whenever the car is at a stoplight or a long stop. It doesn't smell sweet, that's for sure. Checked my...
  19. My first car, a 1966 mustang 289 V8 :)

    Introductions
    Glad to be part of this awesome mustang community! None of my friends or anyone I know drive classic vehicles, so I'm glad there are others i can talk to. Anyway, just bought my first car 3 months ago and it has definitely been an adventure. I look forward to helping people in some of the...
  20. Cable controlled vs Electronic AC/HEAT??

    Classic Tech
    Alright, I am about to buy the Old air, Hurricane ac/heat kit and I am trying to save money, is there that big of a difference in the cable controlled compared to electronic controls? I just want ac here in GA cryin.gif I found it for 1,085 plus 38 s+h for the cable version on ebay from the...
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