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Hi Guys, I have 429 engine with AC in my 71 Mach 1. I bought a rebuilt Thompson pump 7 years ago and recently rebuilt the Saginaw gear ( 3 turns lock to lock) When reassembling the gear the pump was untouched but changed a new belt with 1/2 inch "play" and tried to top the fluid level...

Hi guys ! I have a 71 Mach 1 with manual gearbox and no tilt steering column. The steering gear (Saginaw) was just rebuilt. So far I have no issues with the steering lock and key but now I have. During the steering gear rebuild the starting key was in place ( to enable to turn the wheels...

after the  winter hibernation  I noticed that : 1. RH  front  turn signal does not lit up - all other lights are working 2. took the 4 amp  fuse ( dashboard lights etc.) away and  the  front RH  turn signal started to work but now the  front LH turn signal stopped working.3. put the fuse back -...

Symptoms: Jumpy ride at low revs ( less than 1500 rpm) Engine is tuned  to give ca 600-650 hp  and the cam is  a Mechanical roller Comp Cams Ex. Energy 242/[email protected]" Toploader 4 sp. has wide ratio: 1st: 2.78, 2nd 1.93, 3rd 1.36 and 4th 1.00 Rear end is 1:3.55 Tires are Nitto 275/60 with  15...

I have Prosystems  modified Holley 4150 carburettor in my Mach 1. It is ab. three years old. Car sits still during the winter and when commissioned for the  summer activity  my friend noticed that when I was starting the car  the carb started to leak. He told me that this is the cause  of...

I have  71  Mach 1 with a modified 429 engine ( car originally  with 302 engine). Has  original disc brakes front ( never checked the pads) and drums  at the rear. I renewed the  bleeding master cylinder with the same original  type but forgot to check the piston length ( assuming it does not...

Hi, I have a tuned 429  ( now 501 CID) giving ca 600 hp ? and has dual 3" exhaust ( traditional setup with Magnaflow 11259 straight through mufflers) with  Hooker headers  with 1.75" pipes.I do not have any H or X pipe. There is no particular peak in sound levels but there is just too much of...

finally measured  some angles from the drive line. I removed the drive shaft from the rear: - pinion yoke  1.6 degr positive - transmission tail end  1.8 positive -crankshaft  end at the front of the engine  1.6 positive There may be some  accuracy issues but  in general  I think  this...

I am thinking of several alternatives to redo my drive line and to reduce the revs on the highway. One would be  to change the Toploader 4 to  a Tremec TKO 600. Has anybody experience of this swap ? I have heard that the top of the  TKO 600  - as it is square - without rounded  edges needs...

I have a brand new   cro moly drive shaft that fits nicely in its current set up... Problem is that my bellhousing is not the correct one. When installing the correct one - the  dimension  of the crank shaft is not exactly correct. The difference  between the bellhousings is  half an inch...

In my  71 Mach 1  I have  a new engine  based on a  429 and being now 501 cid with ca  650 hp/ 850 Nm. There is  aluminium flywheel and McLeod  RST clutch and Toploader behind it. At the rear  there are  Caltracs, mono split leafs and adjustable shocks  (  adjusted to #6). Tires are Nitto  555...

Hi, I have been without a horn sound  a long time with my 71 Mach 1 and the Grant steering wheel. I decided to check the thing and made the three soft pads between the  the two plates in the  push button assly smaller  to  get  the electricity  circuit working to activate the horns - and it...

Looking for  a C9 AA 6392/4 A, D,E bellhousing for my 71 Mach 1 and Toploader Anybody selling such, or  any info where to search ?

Hi, I have  71  Mach 1 with  a new  429 engine, D7... bellhouse and RUG-AJ ( 1969 Fairline  with 428 engine)  Toploader 4 and  a Mc Leod  1300 hydraulic  bearing + RST clutch. When installing the new engine and tranny  we  noticed that maybe the  snout  ( 17 mm ) of the Toploader input  shaft...

Hi,  I am changing the steering gear in my 1971 Mach 1. I have  a 72 Saginaw to replace the old one as there is  too much lash in the old one - you can turn the steering wheel ab. 30 degrees until the tires react. Question: When turning by hand this "new" one  it feels  stiff in the middle of...

Hi, I ve been offered Hoosier 30/9-15 slicks for my Mach 1. Would they fit ? What offset /BS for the wheel would be recommended ?

I purchased from a friend this stabilizer bar for the rear - chap as it was. He claims it was from a 72 Mach 1 with 351 engine... Does anybody recognize the manufacturer or model - there are no stamps no identification - nothing... It is zink coated and painted blue....Would it be worth...

Hi, I have been running my 71 mach 1 and recently noted something new... When looking from the back the car is slightly ( 10-15 mm) leaning on the left. I have not yet studied the case but does anyone have sivilized guesses whats the problem. The rear springs are apparently original. The...

I put the thread here as it regards the engine and drive train change effecting the car value. This is the case: I have found an original looking car 1971 1F05J 17XXXX which should be a 429 SCJ with drag pack. The thing is that there is no RAM Air anymore, no oil cooler and the engine...

next step in my AC renovation is to find correct route for the heater condense water outlet in the passenger footwall area. The car I have has had extensive chassis renovation and new sheet metal around the heater so the heater condense water outlet routing is a question mark at the moment...