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My alternator went out on my 71 Mustang Mach 1. The engine is currently a 351 Windsor 4 bbl carb. Originally came out of the plant with a 302 2 bbl with AC. I bought it with the 351 and it had a 2 bbl with adapter. I had the adapter removed and got a 4 bbl from Summit racing. The alternator on...

I posted this before asking for help. I received a lot of good advice. I even replied to one yesterday but don’t really know how the replies work. I decided to make my own. I found 3/32” thick neoprene 12” x 12” sheet on Amazon for less than $5. My existing gasket measured 3/32” using a...

The gasket on my 1971 Mach1 pop open gas cap is cracked and flattened. Believe it is the original Looking for a replacement but don’t seem to find any. I think I found one for around $2 but want $15 shipping. I have decided to buy a piece of Nitrite rubber and try and make my own. What is the...

I know tires have been discussed but just wanted to know what the thoughts are on which tire I should get. Which would be the best looking, ride, and durability. Just as info; 71 Mach1 with the original Ford hubcaps and silver rings. Currently have BF Goodrich Radial T/A 225 70 R14’s which I see...

I tried searching the forum tire age, no results. i have BF Goodrich Radial T/A. Know they are past the recommended and required 6 or 10 years old. I have no idea of how many miles on them. They have good tread and no cracks. I know that doesn’t matter if you need them repaired. Googled and...

My 1971 Ford Mustang Mach1 is leaking brake fluid. Appears to be coming from where the master cylinder connects to the booster. Hard to tell for sure, my master cylinder is metal 2 chamber and I have no idea how old it is. Anyone have some good videos on how to replace or any information or...

I know this is not a new subject in fact I have posted before. I found help on the forum as to where to find. Just wanted to let others know what I found. “The place I found from this forum was West Coast Cougar for $49 plus shipping so it was around $62. They were out of stock but told me to...

I thought I found a thread on one of the forums regarding idler arms for 71-73 Mach 1’s It showed buying from West Coast Classic Cougar. I found this one. Reproduction Idler Arm for the 1971, 1972 and 1973 Mercury Cougar and Ford Mustang. I have attached a picture. It is just under $50 each and...

I have a 351 Windsor in my 71 Mach 1 that came with a 302. Have no information about the 351. I have tried to remove my starter to get at the engine number but can’t get the starter loose. I have removed the bolts but the starter will not come loose. I and a friend have both tried using our...

Metal plate in engine compartment I understand and have found information on other threads but haven’t found what the items I show below in bold underlined. Any help appreciated 1F05F22XXXX (I know is Vin). 63R. 14G. 016 3. 5E. AC QM BRAC 63R is Mach 1 buckets The 14G and...

Trouble starting My 71 mach1, 351 Windsor with Summit 4 bbl carb. As I have mentioned in previous posts I don’t know to much about the engine other than what I have it had done to it. The new carb, new value covers, new plugs and wires, new electrical connection to choke. New exhaust system...

Up front information: I own 71 Mustang Mach 1 with a 351 W with a Summit 4 bbl carb. I know this is not a new topic. The car came out of the factory with a 302 2bbl. I don’t know the age of the current 351W. A couple of us have tried to get the starter off to look for the engine number. It seems...

I searched but could not find any previous posts. My 71 Mach1 has a rear spoiler and I have been told I should have it tilted differently. I was told at a car show I should have it tilted more down in the front. I had it only slightly tilted. What are your thoughts. I tilted it and have...

I have a problem with what Distributor Vaccumn advance I should purchase for my 71 Mach1 fastback. The engine is 351W 4V. When it was installed replacing the 302 I have no idea. My Distributor Vaccumn Advance needs to be replaced. There is a metal tag on my Distributor with the numbers...

I have looked on line but haven’t found a gas cap replacement for my 71 Mach 1. It is the flip open type attached pics. Any ideas?

My trunk lid on my 71 Mach1 with spoiler will nit stay open. I looked and it is on the 3rd notch already. The only time I would like it to stay open is at the Charity car shows. Is there a way to keep open without replacing the torsion bars? From what I have seen it is not an easy task.

Does it hurt or help if I removed the plastic covers on my 1971 Mach1 hood scopes and replaced with screen mesh? I tried searching but could not find this question asked before.

All of a sudden my automatic 3 speed transmission is not shifting properly. My 71 Mach 1 came with a 302 2V and I am not sure but may be the original transmission. The car when I bought it has a 351W and had a 4bbl put in. I have owned approximately 5 yrs with no major problems. I only drive...

Passenger side mirror will stay adjusted. Shut the door or hit a bump and it goes out of adjustment. I have tried googling but seem to find buy or replace. Any way to tighten?