Help ID this set of pedals if they are from Slant, 318 or HD style like 340 and BB darts

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Plymouth Duster

Plymouth Duster

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Your help would be greatly appreciated to ID this set of pedals if they are from Slant, 318 or HD style like 340 and BB darts
Will be used on either a modern gen3 and tkx 5 speed or on a stroker 390 or 408 pending which rotating assembly I decide to use. Have 4” kits for a 318/340 and one for a 360 and bought them really cheap about 5 years ago but haven’t used them for myself or any customer engines I rebuilt or freshened up and been sitting in the basement boxed waiting for a perfect project.

I swore I was keeping this car a Slant with the column cranker (never did like column shift no matter how cool the car) and daily driver but the small itch is turning into full
Blown whole body poison ivy lol.
cool part is it’s got a super six from 77 so it’s got quite the pep vs the original 198 which blew in 1976ish per original owner and that is even more reason to make the car what I want and my own custom stock appearing car. A base looking Duster with stock Duster emblems and Duster logo on tail panel and that’s it with a third peddle, NON prndl column and some serious cubes/power under the hood.

Hey friends. Been a member close to a month and reader for years. I gotta be honest this site is like a second home lol. Love it. So many cool folks, cool people I’ve messaged and we’ve spoken by text and or phone it’s just awesome and so much invaluable info.
Having been a mopar guy all my life but spent the last 25 years restoring Oldsmobiles specifically 66-71 442s/Cutlass I’ve neglected to learn much of my mopar stuff and all the Mopars I had were Simple updates or fixes and I haven’t actually ever done a 4 speed swap, modern engine
/gen3 swap or a rotisserie Restoration on one so trying to acclimate myself with the mopar world again and learn as much as possible before I take on a big project. Be I guess an engine builder and amateur body and paint guy, some skills are transitioning right over from GM to Mopar.

here is a question on a set of a body pedals I wanted to confirm if they are Slant 6, 318 or the heavy duty clutch application set like ok 340s and bb dart cars.
Pics below. left intact completely including rod

thanks for your help in advance

787E3534-CB05-4F19-BED9-56213DBF23BD.jpeg


17B471AC-8C8E-4B84-8E37-2666B1E01E79.jpeg


967AC160-D87C-47F2-8BFF-A7EF5933E12A.jpeg


10765EEE-7F17-4028-A4F4-8B85FD461FD1.jpeg


2A0243AF-5879-4E08-8A54-0F9FBB11F2DD.jpeg


17E48CD7-3E90-4694-8529-0ED70AA576A8.jpeg


F251390E-E4CD-42DE-9559-6A5DB0A9DEDC.jpeg
 
I thought A body clutch and brake pedals were the same size?
 
If anyone has a complete set out of a 340 70-72 duster even though many years fit I’m a bit ocd sometimes and love using stuff from original app when I can / and afford to. I’ve patch more floors using parts cars that had ok floor sections vs Chinese ones but for years we didn’t have Amd for Oldsmobile jjst good mark and there Chinese floors were acceptable but as a former judge easy to see the lines weren’t as crisp. I know most people just undercoat and you will never know it it takes away quite a bit of the definition and what to compare it to but that was part of the fun for me to find hard stuff like that or hoard junk stripped parts cars just for that small metal patch you may need. I think that’s some of the fun. The insanity of doing stuff that is almost irrelevant but that addiction was coping mechanism for me especially after a career for the DoD and I’m Law Enforcement. It was that or drinking and being picky and trying to find OEM stuff when applicable and affordable was a-lot safer lol and still helped me cool off and relax and help finish my career
 
I believe those are standard duty pedals, from how the spring mounts on the side. Also, the spring itself is not as beefy as the HD unit.

The HD assembly has a caged spring that mounts on a pin at the front. You can see in the pic below where the spring goes, but the spring isn't in there. You can also see the HD spring sitting on the table next to the assembly.

You can also tell by the over sized bushings in the pivot, but you'd need to disassemble it to find out.

Ultimately, you will probably not even need the spring anyway. The new diaphragm clutches require you to remove the over center spring.

Screenshot_20220630-212737.png
 
jonn6464 said:
I believe those are standard duty pedals, from how the spring mounts on the side. Also, the spring itself is not as beefy as the HD unit.

The HD assembly has a caged spring that mounts on a pin at the front. You can see in the pic below where the spring goes, but the spring isn't in there. You can also see the HD spring sitting on the table next to the assembly.

You can also tell by the over sized bushings in the pivot, but you'd need to disassemble it to find out.

Ultimately, you will probably not even need the spring anyway. The new diaphragm clutches require you to remove the over center spring.

View attachment 1715949902
Click to expand...
Thanks John for the pics!!!
Just what I wanted to see the difference.
Being standard duty do you see any issue using this with an a833 OEM performance clutch and a 360/408 stoker. I’m still up in air about that or 318/390 I have both kits but if I do this car I will prob do the 408. I was thinking gen3 and 5 speed but I’m more of a purist and OEM guy and also I’ve never done a 5 speed and hate to cut so much out of the trans tunnel. The slant isnt cutting it for me especially with the column shifter. I need that third pedal like a junior needs another shot!
Lol
 
jonn6464 said:
I believe those are standard duty pedals, from how the spring mounts on the side. Also, the spring itself is not as beefy as the HD unit.

The HD assembly has a caged spring that mounts on a pin at the front. You can see in the pic below where the spring goes, but the spring isn't in there. You can also see the HD spring sitting on the table next to the assembly.

You can also tell by the over sized bushings in the pivot, but you'd need to disassemble it to find out.

Ultimately, you will probably not even need the spring anyway. The new diaphragm clutches require you to remove the over center spring.

View attachment 1715949902
Click to expand...


John can u give me your opinion on these. They aren’t mine but for sale at a very inflated price. The pedal has a bit more of curve/roll to it like your. any idea if this is the Hd version

41B372E0-8E1C-428D-B808-1E7FA6DBD23A.jpeg


86DD7406-EEF3-4C1E-86C7-682774C28A6A.jpeg


083BF354-9DD1-4333-A77C-20108EE41950.jpeg
 
Plymouth Duster said:
If anyone has a complete set out of a 340 70-72 duster even though many years fit I’m a bit ocd sometimes and love using stuff from original app when I can / and afford to. I’ve patch more floors using parts cars that had ok floor sections vs Chinese ones but for years we didn’t have Amd for Oldsmobile jjst good mark and there Chinese floors were acceptable but as a former judge easy to see the lines weren’t as crisp. I know most people just undercoat and you will never know it it takes away quite a bit of the definition and what to compare it to but that was part of the fun for me to find hard stuff like that or hoard junk stripped parts cars just for that small metal patch you may need. I think that’s some of the fun. The insanity of doing stuff that is almost irrelevant but that addiction was coping mechanism for me especially after a career for the DoD and I’m Law Enforcement. It was that or drinking and being picky and trying to find OEM stuff when applicable and affordable was a-lot safer lol and still helped me cool off and relax and help finish my career
Click to expand...
Let's not turn this thread I to a wanted thread. Ask all the questions you like but when you start with "if anyone has a set" then you have a problem.
 
toolmanmike said:
Let's not turn this thread I to a wanted thread. Ask all the questions you like but when you start with "if anyone has a set" then you have a problem.
Click to expand...
No idea what that means but apologies if I missed some rules. Just looking to ID pedals and went on a little rant about my potential project.
thanks for heads up
 
Plymouth Duster said:
No idea what that means but apologies if I missed some rules. Just looking to ID pedals and went on a little rant about my potential project.
thanks for heads up
Click to expand...
I see you have 2 threads about which pedals are which. Figure out which ones you want and start a wanted thread.
 
toolmanmike said:
I see you have 2 threads about which pedals are which. Figure out which ones you want and start a wanted thread.
Click to expand...
Thanks Mike actually I have a set and might purchase another and just looking to see if the guys on here were able to confirm slant, 318v8 or the HD version. I must have added a second one (post) in a thread I started few weeks ago.
Thanks for the heads up

I’m obviously new to forums so just bear with me. Still learning to maneuver my way
Your forum is amazing!
 
Plymouth Duster said:
John can u give me your opinion on these. They aren’t mine but for sale at a very inflated price. The pedal has a bit more of curve/roll to it like your. any idea if this is the Hd version

View attachment 1715949904

View attachment 1715949905

View attachment 1715949906
Click to expand...
Just put the kids to bed, so I'm in the shop now.

To my knowledge, the pedal assembly is the same regardless if it's standard or HD. The differences are the spring and the bushings.

This spring set up is the standard unit (just like in your pics)...
IMG_20220630_221115023_HDR.jpg


And the bushings inside here will be plastic and smaller in diameter (I believe)...
IMG_20220630_221329501.jpg


What is the guy asking for his set? I'm just curious what you mean by an inflated price.
 
jonn6464 said:
Just put the kids to bed, so I'm in the shop now.

To my knowledge, the pedal assembly is the same regardless if it's standard or HD. The differences are the spring and the bushings.

This spring set up is the standard unit (just like in your pics)...
View attachment 1715949910

And the bushings inside here will be plastic and smaller in diameter (I believe)...
View attachment 1715949911

What is the guy asking for his set? I'm just curious what you mean by an inflated price.
Click to expand...
Thanks. Well I’ve bought several sets over the years from 100-200 and 250 is I think a fair good deal price now. But on eBay there are a few sets that are 500+ and been for sale for months

I have a set but as a Mopar hoarder u know how that goes
 
I know the B/E body ones have two versions. One with a plastic nyliner bushing and another that uses a pair of cage bearings. I'm not sure if A body had the bearings or not.
If you run a diaphragm style pressure plate it shouldn't be an issue which style you use. You also wouldn't need the the over center spring.
 
MoparMike1974 said:
I know the B/E body ones have two versions. One with a plastic nyliner bushing and another that uses a pair of cage bearings. I'm not sure if A body had the bearings or not.
If you run a diaphragm style pressure plate it shouldn't be an issue which style you use. You also wouldn't need the the over center spring.
Click to expand...
Thanks Mike. Makes sense
 
They are out of a 1970 A-body. Last year for those pedal pads and first year for the clutch switch. Will fit 67-72 a-bodies
 
HD pedals have the brace,big spring,and bearings instead of bushings....yours will.be strong enough for what you want
 
There are TWO pedal ratios; one for the slanty's 9.5" clutch and another for everything else.
If you are intending to use a HD B&B 3-finger clutch, then you need the V8 hi-ratio pedals. The higher ratio makes it easier on your left leg. And you need the HD version which has the matched O/C spring and it's support bracket. And because of the work this unit sees, it has bushings (sometimes called bearings) so that the pivots won't wear out prematurely.

If you are intending to use a diaphragm clutch,even a HD one, this is less important. However, I still recommend the V8 pedals, because they make the clutch easier to modulate.

BTW; the O/C spring also helps to keep the pedal down against the spring-pressure of the clutch. This is helpful if you spend time at stoplights and such. But the diaphragm clutches have less static pressure, so this spring sometimes ends up keeping the pedal on the floor. This is bad news at WOT, so you should consider a rev-limiter.
 
AJ/FormS said:
There are TWO pedal ratios; one for the slanty's 9.5" clutch and another for everything else.
If you are intending to use a HD B&B 3-finger clutch, then you need the V8 hi-ratio pedals. The higher ratio makes it easier on your left leg. And you need the HD version which has the matched O/C spring and it's support bracket. And because of the work this unit sees, it has bushings (sometimes called bearings) so that the pivots won't wear out prematurely.

If you are intending to use a diaphragm clutch,even a HD one, this is less important. However, I still recommend the V8 pedals, because they make the clutch easier to modulate.

BTW; the O/C spring also helps to keep the pedal down against the spring-pressure of the clutch. This is helpful if you spend time at stoplights and such. But the diaphragm clutches have less static pressure, so this spring sometimes ends up keeping the pedal on the floor. This is bad news at WOT, so you should consider a rev-limiter.
Click to expand...


Was planning on using a stockish type diaphragm clutch but undecided. Want to be able to use these pedals as some of the prices out there crazy high for HD sets and I can’t find any (unless someone want to message me) but eBay is usually a bit above the rest.
408 planned with iron heads but I may still just put a stock 360 in it with a nice cam performer rpm or air gap and a set of headers and 2 1/4-2 1/2” exhaust. Never know what I might do engine wise in future so 2.5 might be better for the longer picture.

I weighed her at the truck scales by an d co worker at Dmv truck unit division and they had their scales calibrated recently by the Dept of Transportation and another friend confirmed his car was spot on from his racing scales and my stripper 72 duster with no options but power steering and 1/2 tank of gas and subtracted my weight she barely clicked 2900. Assuming if I’m off on the fuel or it if had 2 gallon it would be 2875ish. I can’t believe how much these rubber floor striper dusters are. I have the build sheet and window sticker and she has nothing for option but power steering and I found the original owner it was a young married women she was 24 and it was her first new car in 1971 she purchased it in the fall as my car was built early first week of sept for the 72 model year. She wanted the AC but wasn’t able to afford so she feel in love with the petty looking blue aka basin street blue. One of the shortest trim tags ever, no trim nothing. She kept the car for 46 years and then It went to another lady, her friend who kept it for 2 years as a car to go to shows and only put 900 miles per dmv records and then it went to a state trooper friend of mine who was going to make it as he said his “honnigan” car and put an LS in it. Soooo happy he ended finding a Camaro to chop up and he let this sit outside in shady area for 2 years and i Ended up with her. Got her fully tuned, cleaned and running great, redid the baby 9” no power drums and have been daily driving it since. If it was auto on the floor I may just leave her I just hate column cranker but it was my first car after a 3.5 year “burned out” hiatus and I wanted a duster in a cool color. Even if I found a console and shifter the buckets alone are super expensive
 
I sold my last set of HD pedals to Joey4speed and since the prices have doubled in price...smh unreal
 
Mtrhead said:
I sold my last set of HD pedals to Joey4speed and since the prices have doubled in price...smh unreal
Click to expand...
Insanely nuts ain’t it. Wish I still had half the olds w30 stuff before I sold all my parts 3-5 years ago. I got burnt out building
My last car and swore I was done after 25 years of fixing, restoring and buying and parting out cars. Then this little blue Duster came my way and the evidently the flame wasn’t totally dead. So I’m taking my time with a game plan and also taking it slow and no rushing or deadlines. Having a family
Now I want to enjoy it and use the time in the garage as relaxing time vs aggravations and f bombs. I’m sure those moment will still arise but at a much subtle pace
JR
 
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