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Hi everyone, This question is about idle speed...and tranny clunk. I rebuilt the Holley 4 barrel 8 years ago. It has always acted like this, so not a new issue. There is a major difference, 300-400 rpm, between idle in park and idle in gear. When the engine is cool, idling at 600, putting it...

Hi everyone, The "plug" on the secondary fuel bowl of my Holley 4160 is leaking. This is not a component of rebuild kits Quick internet search seems to say JB Weld will seal it. Or buy a replacement fuel bowl? Anyone ever deal with this issue? Any thoughts/advice? Thanks

Hope this doesn't sound to stupid... While restoring the hood hinges on my Mach, I used a Harbor Freight winch with a wireless remote control to pull the spring off the hinge for sand blasting purposes. A few times during the process the winch didn't stop when I wanted it to and I know I pulled...

 My heater blower motor is really noisy.  I suppose I need to replace it. The car had water inside for years from a leaky cowl, moist environment.  Affected the motor? When I restored the interior and rebuilt all the plenum boxes I probably just hit the squirrel fan with 12V and said, yup, it...

I've never seen this with my other Mustangs... 72 Mach with Sports Interior.  All of the gauges work perfectly except... Fuel gauge reads 3/4 full.  First time on highway with the car today.  At 55 fuel gauge drops to 1/2 full.  65 mph, 1/4 full. By the time I was up to 70 mph, the gauge read...

Anybody got any thoughts on whether I should hold onto my old used Magnum 500's that came on my car from the factory? I recently installed Legendary wheels and don't need the old Magnum's anymore. They take up a lot of space to store.  They seem to be only worth about $50 bucks apiece on...

I told the group I'd post pictures when I got them onto the car. I'm very pleased with the finished look. Front, 15X7, 245-60 Rear, 15X8, 255-60

My Mach needs new wheels. It came with Magnum 500's, so I'm pretty sure I will replace with same. I want to keep the classic muscle car look it had from the factory so I'm thinking 235-60 or 245-60's on 15X7 front.  255-60 on 15X8 rear. Any thoughts? Does anybody have and info to share? Is...

72 Mach, CA car, rare 351 2V with Ram Air Air Cond, AM/FM, PS, PB, tilt wheel, sport deck rear seat, console, sports interior, convenience group, magnum 500's, ect... I cannot find a single car like in on the web.  Bright Blue metallic with the argent hood (because of Ram Air), yet no side...

So I got new MOOG bushings from Rock Auto to rebuild my stock Idler Arm.  The part numbers actually came from HEMIKILLER. The MOOG #K8094 replacement bushing is noticeably larger than the stock bushing I pressed out of the Idler Arm. The stock bushing measures 1.14 in diameter while the new...

So Yes, I've read all of the posts on the different looks and shapes of the different idler arms available. I got the Moog #K8118 from Rock Auto. I have seen this part mentioned in one of the posts. It is Moogs correct part for this application. 1st of all, the holes aren't the correct...

I have spent the last 4 years going through a 72 Mach 1 I "accidentally" bought on Ebay. It was a rusted cowl car. But it's loaded with options.  So... Now the interior, engine compartment, trunk and suspension are done. I know it's out of correct resto order, but I didn't know where this...

Does anyone have first hand experience with the KYB Gas Adjust shock? Their GR-2/Excel shock is advertised as upgrade over stock yet not as harsh/stiff as their Gas Adjust shock. I'm about to order all new front suspension components from Rock Auto.  The KYB's have a $100.00 rebate promotion...

Time to do the suspension on my 72 Mach 1.  It has been a project of mine for 4 years now. The car had sat outside for 10 years before I got it. The rear suspension squeaks really bad. When I listen under the car while someone is pushing up and down on the rear, it is hard to tell exactly...

The Sports Lamp bulb sockets on my car came to me not intact from the previous owner.  One original plastic one is in pieces.  The other had a metal socket spliced on.  See picture.  This socket won't work with the correct bulb because it is a two contact socket, and I don't know how to get...

Now that I've finished the interior and under the hood in my project 72 Mach, it's time to clean up the trunk. I've got a little rust to deal with and these two metal pieces welded to the trunk floor need to go. Anybody know what these two pieces are for/why Ford put them in? They are not...

I'm at the point in my project where I need to install the air condenser and air filter/dryer unit. I plan to get the air going at the end of the project, after the car is together again. Never had an early mustang with or have I worked on air conditioning. Been looking at stuff for sale on...

I've been thru all the vacuum diagrams that have been posted and I can't find the answer I'm looking for. Hard to find one for a California emission car with Ram Air. From the factory, where did the Ram Air get its vacuum source? I have verified on an earlier post that I have the correct...

I'm looking for the correct sizes of most of the vacuum hoses under hood, ? The search option on this website got me nowhere, I was surprised! I found all the vacuum schematics, but they don't indicate the hose sizes. A result from Vintage Mustang Forums said carb. to dist. is 5/ 32". I...

My car is 351C 72 with air. When I got the car all the heater hoses were straight hose like on my early mustangs. Now I find out there is an "S" hose on the inboard heater core fitting and the water shut off valve goes on this hose. Then I find out there is an "L" hose to connect to the water...