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Thanks for the updated specs

I was only going to do the lowers. The uppers were done 2 years ago the Prothane bushings. I do have an extra set of upper control arms. Hum

when I and the front end guy did the alignment on my 70 Road Runner at the dealership. I had manual steering still . We set the caster -1/2 degree and camber @ 1/4 positive. At that time I was running 225/70/15 front tires 255/60/15 rears.The specs are from the 1970 service manual for manual...

I will most likely do the stiffening plates when I do the lower control arm bushings and the strut rod bushings. I did the upper bushings and all the ball joints and tie rods in 2023.

The ones in the 80’s and 90’s always squeaked. The ones I’ve been installing come with very sticky clearish color grease. The ones from the 80’s and 90’s used clear grease that seemed to be the same consistency are regular wheel bearing/chassis grease.maybe they have learned.

I’ve been slowing converting from the rubber bushings on my 70 Road Runner to urethane. Rears I installed energy suspension/Hotchkis in the rear suspension. Upper control arms in installed Prothane bushing and sway bar bushings. My next and last to be installed are the lower control arms with...

Thermoquad my 440 motor home loved that carb. So did my 73 power wagon. But I’m trying to my my Road Runner look close to stock. The Edelbrock looks stock enough. I could put a Holley on it as mine was a factory Holley car with California emissions.

I have done exactly what you stated and put that in the post.

70 Road Runner 383 bored .060 9.3 compression 440 source heads, Mopar 272 cam( 224@ .050 .455 on cam sheet(mopar catalog shows 231@ .050) ) DP4B intake stock high performance manifolds. 2 1/2 exhaust. Current carb Street Demon 750( thermoquad looking one) 1 no mater what I do I can not get the...

Stock replacements from Napa.

Yes he did balance it. And he did it a 2nd time after I stated I still have a vibration. He stated that the balance if correct.

Answer to the question does it vibrate sitting still no. It’s smooth I even ran the rpm up to 3200 rpm and it’s smooth. I have tried installing 2 degrees shims between the diff and spring. Pointing the nose of the diff up car gets worse. Pointing the nose of the diff down makes NO difference...

1970 Road Runner. The vehicle has what feels like a driveline type vibration that comes in about 65-66 mph. It turns into an oscillating type vibration around 68mph to about 72 then the oscillation tapers out. About 2800 -3200 engine rpm. I bought the car in 2019 and was a rolling body. It came...

I bought the car apart. I had no radiator. No fan nada. I had to build a cooling system

Car was apart when I bought. There was nothing. No radiator, no fan no pulleys. Nothing.

Stock pulleys from 440 source. Reproduction for non A/C car.

Yes running a mech gauge and factory. Also verifed temp with my snapon thermal imager temp gun. Timing is at 12 total 36. It doesn’t matter if I more or less timing

70 Road Runner 383 .060 9.3 compression. Mopar aluminum water pump housing with 8 impeller water pump. 180 degree thermostat. ‘my car originally 22 inch 3 core radiator with a solid fan and shroud. When I put my car together after sitting apart for 27 years. The engine was rebuilt. I installed a...

Has anyone installed Urethane leave spring bushing? Did the vehicle exhibit any vibration through the car, ride harshness other than the dreaded squeak. I can’t remember if I put the bushings in when I owned my car in the 80’s or the owner in between my first and 2nd time owning the car. Thanks

The hydraulic cams going flat is a huge issue. the pictures of your cam look ok. Being your intake is off along with the valve train take a look at your lifters and make sure they have a slight crown too them. Also the cam lover have slight taper to make the lifters spin in the bore. A local jet...