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Re: 1970 Roadrunner Project [Re: cataclysm80] #2380130
10/01/17 07:08 PM
10/01/17 07:08 PM
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August 2017

Installed reflective white tail panel stripe

IMG_20170824_145815231.jpgIMG_20170831_101413782_HDR.jpgIMG_20170831_101025496_HDR.jpg
Re: 1970 Roadrunner Project [Re: cataclysm80] #2380134
10/01/17 07:11 PM
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Here's where the ground wire for the steering column goes.
Also had to make sure that the voltage regulator had a good ground on the firewall, and that the tail light housings had a good ground to the body. All that fresh paint gets in the way of good grounds sometimes.

70-B-Body-Steering-Column-Ground.jpg
Re: 1970 Roadrunner Project [Re: cataclysm80] #2380136
10/01/17 07:16 PM
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August 31st 2017

It's finally time to start the engine and burn off some of that orange paint on the exhaust manifolds.

First-Start.jpgIMG_20170831_101310630.jpgIMG_20170831_101351781.jpgIMG_20170831_101506543.jpg
Re: 1970 Roadrunner Project [Re: cataclysm80] #2380139
10/01/17 07:19 PM
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August 31st 2017

IMG_20170831_102013339.jpg
Re: 1970 Roadrunner Project [Re: cataclysm80] #2380140
10/01/17 07:22 PM
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21462297_1736464476398772_1233989083296709592_n edit.jpg21430142_1736464719732081_1638514310786433659_n.jpg21462413_1736464883065398_5396564531482496863_n.jpg21430204_1736465189732034_6277476846815827028_n.jpg
Re: 1970 Roadrunner Project [Re: cataclysm80] #2380141
10/01/17 07:24 PM
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Re: 1970 Roadrunner Project [Re: cataclysm80] #2380142
10/01/17 07:25 PM
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There's still some odds and ends left to do...
get an alignment
fender bird decals
door VIN decal
install console
find a wheel for the spare tire
maybe a few other things

Re: 1970 Roadrunner Project [Re: cataclysm80] #2380324
10/01/17 11:57 PM
10/01/17 11:57 PM
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It's very nice. I have a 70 RR 383 4-speed car that I'm hoping to start on very soon.


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Re: 1970 Roadrunner Project [Re: cataclysm80] #2380327
10/02/17 12:02 AM
10/02/17 12:02 AM
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Awesome car! I am putting the finishing touches on my GY3 Duster 340 now. Always some issues that need fixing but does look finished. Good Luck!

Re: 1970 Roadrunner Project [Re: fc7freak] #2380387
10/02/17 01:36 AM
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GY3 is a great color. It's difficult to capture in a photograph, but it looks amazing in person.

Re: 1970 Roadrunner Project [Re: Chris2581] #2380412
10/02/17 02:55 AM
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Originally Posted By Chris2581
It's very nice. I have a 70 RR 383 4-speed car that I'm hoping to start on very soon.



What's your car like?



There's a 70 year old man down the road who's had a 1970 GTX since 1971. It's a 440 four barrel 4 speed manual transmission with a Dana rear end. It's a California car, and that's where he bought it, but it lived most of it's life in Wisconsin and is rusted BAD on the bottom.
He was interested in buying my Solid 1970 Satellite parts car once I was done with it, so that he could fix his car.
I drove the Road Runner over to see him the other day, to see if he still wanted the Satellite parts car, and he decided that he was getting to old to build his GTX. He really liked what I'd done with the Road Runner, and sold me the GTX to go with the Satellite parts car. I don't plan on building the GTX, but I hate to see it keep rusting away or get crushed, so I want to get it and the parts car into the hands of someone who will build it.
I see that you're in the same state as me, any interest in building a GTX instead of a Road Runner?

Re: 1970 Roadrunner Project [Re: cataclysm80] #2381417
10/03/17 09:00 PM
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My Dad bought the car after he came back from Viet Nam. It was a demo and had about 6000 miles on it.Currently it has 31,000 on it now. We used it as a drag race car,but never cut on it,raced with a 4-speed then 727.We kept all the original parts except for the rear leaf springs,and the hub caps.It had a little rust in the 1/4's and some around the lower back window corners,but that was it.I have everything to get the car back on the road,just needs a bit more body work and might need a trunk floor,and new paint. It's a K2 car with burnt orange bench seats.I would like to get the car done soon as my Dad is 75 and I know he'd like to drive it again.


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Re: 1970 Roadrunner Project [Re: Chris2581] #2381833
10/04/17 03:39 PM
10/04/17 03:39 PM
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Beautiful ride. It sure looks a lot better than my 70' Road Runner project car.


1963 Belvedere 440 Max Wedge Tribute
1970 Charger R/T S.E. 440 Six Pack
1970 Challenger R/T, 528 Hemi
1970 Charger 500 S.E. 440 4 BBL
1970 Plymouth Road Runner 383
1974 Chrysler New Yorker 440
1996 2500 RAM 488 V-10 4X4
2004 3500 Dually Cummins 4x4
2012 Challenger R/T Classic.
Re: 1970 Roadrunner Project [Re: Chris2581] #2381848
10/04/17 04:18 PM
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Originally Posted By Chris2581
My Dad bought the car after he came back from Viet Nam. It was a demo and had about 6000 miles on it.Currently it has 31,000 on it now. We used it as a drag race car,but never cut on it,raced with a 4-speed then 727.We kept all the original parts except for the rear leaf springs,and the hub caps.It had a little rust in the 1/4's and some around the lower back window corners,but that was it.I have everything to get the car back on the road,just needs a bit more body work and might need a trunk floor,and new paint. It's a K2 car with burnt orange bench seats.I would like to get the car done soon as my Dad is 75 and I know he'd like to drive it again.



That's awesome! You should definitely build that car, and soon.

Re: 1970 Roadrunner Project [Re: cataclysm80] #3206247
01/19/24 03:48 PM
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As soon as the restoration was finished in 2017, we took the car to the Don Garlits show (Mopars with Big Daddy) near Ocala Florida.
It's a pretty good annual show of about 500 Mopars, mostly muscle cars.
It was normally held at Don Garlit's Museum of Drag Racing, but the show had outgrown that venue since the farmer next door didn't want spectators parking in the field anymore, so this was the first year that it was held at the Florida Horse Park about 2 miles north of the Drag Racing Museum. If I remember correctly, Herb McCandless was the guest of honor that year.

On the first day of the show, I drove the 1970 'Cuda, and my dad drove the Road Runner.
The Road Runner won 2nd Place in the Participant's Choice competition.
The 'Cuda won 3rd Place in the Participant's Choice competition.

The second day of the show, my dad and I rode together in the Road Runner, and won 3rd Place in the Judged Competition.
The Judged Competition trophy is the one with the American flags on the columns.

2017 11 11 C.jpgGarlits 3rd Place Participants Choice 2017.jpg2017 11 12 J 3rd Place Judged and 2nd Place Participants Choice.JPG2017 11 12 Q.JPG
Re: 1970 Roadrunner Project [Re: cataclysm80] #3206251
01/19/24 03:50 PM
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Well, I'm still an E body guy.

This 1970 Road Runner is a great car. You can see the build details above in this topic.
This car is NOT your typical flipper cutting corners to make a profit. No pigs in lipstick here. This was built right, and built to last, because we wanted to keep it.
Everything has been gone through, and it's a quality build, documented with hundreds of photos and reference material, way more info than what's seen here.
It has just about everything you'd want.
It's a 383 car, but it has all the hemi suspension reinforcements and then some, Hemi fuel sending unit with 3/8 fuel line, and the same radiator as the hemi, so if anyone really wanted a bigger engine like a hemi or 440-6, it's a pretty straight forward swap, and they can enjoy driving the 383 in the meantime. It's ready to go, start it up and drive away with a smile.
Air Grabber, 4 speed pistol grip, axle package, rallye gauges, woodgrain steering wheel, 3 speaker stereo dash, light package, hood pins, rear spoiler, upgraded 11.75 rotor power disc brakes, Firm Feel Stage 3 power steering, bigger sway bar, etc. etc.

But I'm an E body guy, and I just never drove this car very much. It sat in the garage, with about 750 miles on it since the restoration.
Someone should be driving this around. It's crossed the auction block at Mecum Indianapolis on May 18th 2023 for $ 97,000.
https://www.mecum.com/lots/553648/1970-plymouth-road-runner/
I had a great time hanging out at the auction, and checking out the RTS 'Cuda & Black Ghost.

2023 5 18 A.jpg2023 5 16 A.jpg2023 5 18 F.jpg2023 5 18 L.jpg
Re: 1970 Roadrunner Project [Re: cataclysm80] #3206253
01/19/24 04:02 PM
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I sent a USB drive with all the restoration pictures, history, decode, etc. to Mecum with the car, so that the new owner would have that stuff.

There's a couple things I forgot to put on the USB drive, so I'm going to post them here, in hopes that the new owner finds them.
Maybe the rest of you will enjoy seeing them also.

This first one is how the pictures are organized on the USB drive.
This one's probably not very interesting to most of you, but if you're looking for suggestions on how to keep your restoration photos in chronological order, here's one idea.


Here's a nice Mopar suspension article I wrote, which uses 1970 B body suspension as several of the examples because I was building this car when I wrote the article.
https://forum.e-bodies.org/wheels-t...ke-your-car-handle-corners-better/28289/


Here's the details for the suspension on this 1970 Road Runner.

The car was completely disassembled for restoration, so based on the known weights of other 1970 Plymouth B bodies, I guessed the 1970 383 Road Runner weight at...
Front 2094 54% Front Wheel Bias
Rear 1783 46%
Total 3877 100%


Rear Suspension
Leaf Springs custom built by Firm Feel Inc to my specifications
Spring Rate 160

Motion Ratio
15 x 7 Rallye wheels on a 1970 B Body, is...
8 Overall Wheel Width ÷ 2 = 4 Wheel Centerline.
4 Wheel Centerline – 4.25 Back Spacing = -.25 Wheel Offset
(-.25 Wheel Offset x 2 = -.5 total offset for both wheels) + 60.125 Brake Drum to Brake Drum Width = 59.625 Track Width.
44 Leaf Spring Perch Width ÷ 59.625 Track Width = .738 Leaf Spring Motion Ratio
For every inch that the rear wheel moves up or down, the leaf spring will move .738 of an inch.

Rear Wheel Rate
The formula for wheel rate is (Motion Ratio x Motion Ratio) x Spring Rate = Wheel Rate (per wheel)
(.738 Motion Ratio x .738 Motion Ratio = .544644) x 160 Spring Rate = 87.14 Rear Wheel Rate

No Rear Sway Bar

Rear Roll Couple
(87.14 Rear Wheel Rate x 2 = 174.28) + 0 Rear Sway Bar = 174.28 Rear Roll Couple

Front Suspension
Firm Feel 1-1/8 diameter Front Sway Bar = 1.125 diameter

((1.125 diameter x 1.125 diameter x 1.125 diameter x 1.125 diameter = 1.6018066) x 500,000 = 800,903.3) ÷ ((10.125 dimension A x 10.125 dimension A x 10.125 dimension A x .2264 = 234.99654) + (8 dimension C x 8 dimension C x 27 dimension B x .4244 = 733.3632) = 968.35974) = 827.07207 Sway Bar Rate

Motion Ratio
6.4375 lower control arm pivot to sway bar mount ÷ 12.28125 lower control arm pivot to ball joint = .524173 Front Sway Bar Motion Ratio

Front Sway Bar Wheel Rate
.524173 motion ratio x .524173 motion ratio x 827.07207 Sway Bar Rate = 227.24 Front Sway Bar Wheel Rate

Firm Feel B & E body torsion bars
1.00 diameter 187.2 pounds per inch wheel rate

Front Roll Couple
(187.2 wheel rate x 2 = 374.4) + 227.24 front sway bar wheel rate = 601.64 Front Roll Couple
601.64 front roll couple ÷ (601.64 front + 174.28 rear = 775.92 total roll couple) = 77.5% of the total roll couple is at the front


In addition to the spring selection mentioned above, the car has...

Bilstein shocks
All of the Hemi Suspension chassis reinforcements (Resto Rick)
Lower Radiator Support reinforcement (XV Engineering)
Lower Control Arm Plates (Firm Feel)
Firm Feel Tubular Upper Control Arms for more positive caster, with a performance handling alignment
Firm Feel Stage 3 Power Steering Box
Sector Support Reinforcement
Roller Bearing Idler Arm
Power Disc Brakes with 11.75 inch diameter rotors

The car is built for someone who wants to have fun in the corners while cruising with a 4 Speed Pistol Grip and a pop up Air Grabber hood scoop.
Drive it

2004 11 4 A.jpgRoad Runner Suspension.jpg
Re: 1970 Roadrunner Project [Re: cataclysm80] #3206255
01/19/24 04:04 PM
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Not exactly sure who bought it at Indy, but I recently heard it was a classic car dealership from Pennsylvania looking for inventory.
The car came back to Florida for the 2024 Mecum Kissimmee auction, and sold on January 13th for $ 87,000.
https://www.mecum.com/lots/1109604/1970-plymouth-road-runner/
It looks like they didn't put as much effort into taking nice photographs, and the car no longer had its yellow cap reproduction battery.
I've heard that cars sell for more money at the Indy auction, which is why I hauled it up there instead of waiting for the local Kissimmee auction.
Glad I did that! smile

I hear that the car lives in Florida now, where the driving weather is nice all year.

2024 1 13 A.JPG2024 1 13 B.JPG
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