Super Simple Split Wishbone Mounts - 1928 Ford Model A Roadster Pickup Shop Truck

Now that the engine and transmission is mounted in place, the next step is to create mounts for the split wishbones. We could not do this earlier in the project because you need the weight of the engine to set caster. First Matt and Steve work on setting the caster between 6 & 8 degrees back. Once they find the sweet spot Matt works on creating a simple plate bracket that he can ream for the correct taper of the tie rod end. After some plasma cutting and welding the front end of the Roadster Pickup is locked in!! One step closer to taking it for a spin!!
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[@BigTex347]

Thank you SO MUCH for sharing the information at 0:33 about the bolt-on wishbone adapter for those of us who want to use the original, uncut wishbone. I'm building a 1931 Model A Roadster that I picked up in Idaho last year. I'm just about to do the engine swap from the original engine to a '52 flathead. I thought that I had to cut the wishbone, but since I'm keeping everything original, going for the highboy look, I'd like to keep the original wishbone intact. Now I know that it is possible with this adapter. THANK YOU!!

[@mayberrymodelmadness5838]

That's positive caster I believe. I was taught like the fork on a bicycle is positive

[@IronTrapGarage]

Derp derp. I misspoke. You’re correct!

[@jimoverschmidt8169]

I learned something new today. Thanks Matt and company.

[@ericargo9157]

Yeah, me too.

[@ericargo9157]

I love all ITG builds but being a truck guy this RPU is right up my alley. Dig it.

[@rogermishler8794]

Thank you Matt- this was very informative. I always wondered how guys figured out what length to make their wishbone mounts.

[@leechburglights]

Long time lover of your channel, and I wanted to share this. The stories and the experiences you share will be here for years to come. Not only are you creating amazing content, but you're providing specific documentation of the vehicles you attend to. In your case, someone may purchase one of your cars in 50 years. They can come back and watch you go through the process of designing and fitting parts. Then, listen to you explain how and why you built it like you did. While I'm not a mechanic, your channel is one which I truly enjoy watching. You've inspired me in way's you can not imagine. Never forget the part that you play and how important your work is Mike, Matt and the whole ITG Family!

[@pinwizz69]

That's an outstanding way to describe Matt's addition to the knowledge that will be available to future generations of builders.

[@ericargo9157]

@@pinwizz69 Yep, it's his self chosen journey in life and countless people now and 50 years from now will benefit from his current and future knowledge he documents and shares. This is the good stuff and not a bunch of half brained, F-bomb dropping "professional builders" who "think" they know it all that Matt has admitted countless times that he doesn't know it all and learns right along with his loyal followers. This is the good stuff.

[@henryg683]

Can’t wait to see you driving the truck around town picking parts and other fun things!!!!!

[@michaelguinn5736]

Morning Matt & Steve, your shop truck is coming along nicely, y'all need a plasma cutting table...I'm sure you will in time. Be safe!! God Bless!!

[@shotsrodder]

I like the level wishbones 🥰 sweet 😎

[@black88coupe]

Cool! Always wondered what was involved in doing that.👍👍👍

[@donaldswens8560]

Thats positive Caster.😁

[@tommytompley4950]

My father,as well as myself, would have, and,I am,soooo pleased someone is doing justice with our past As far as these era vehicles that you and we still love Thank you for being whom you are ✌️🤠👍

[@stephenglines1553]

Looks outstanding

[@JalopiesDannerr]

One of the few things, that really stuck with me from my vehicle dynamics classes, is that the selfaligning angle of a castor is 6 degrees - never less than that (remember to account for your load! An overloaded shop truck will alter that, if it's set at an empty bed!), and the more castor angle, the bigger your arms will get - especially in old Fords like these and mine! :-D

[@Tat2TankT]

Can’t wait to see it on the road thanks for sharing bro 😎

[@blueknightknives5130]

Thank you! Great video!

[@kyleforeman4543]

Lookin killer for a shop trk..,,tks for sharing as usuall

[@RichieCat4223]

It also helps to do measurements on a level flat floor for all front end angles.

[@murdoc6501]

Great tutorial! Valuable information here and once again your explanation of the process is priceless. Well done. Go Iron Trap! Keep moving forward!

[@garycamara9955]

The top of the axle leaning back is positive caster. I run 10 degrees of positive caster and no toe. Car is stable at speed and handles well.

[@stevenreed4040]

Consider that there will be a increase in caster when the added weight of interior, driver, passenger and bed load are added. So a caster measurement on the lower side of the range is better.

[@peterevosirch7047]

Very Nice

[@tomcrater7470]

Cool job looks great ! Even learned a thing or two !!

[@kevinmcmanis7335]

Super cool!

[@pinwizz69]

Good morning Matt and Steve. Matt, next time you need to shim something like that try using plastic cabinet wedge shims betweentheone wood shim andthefrome to fine tune the castor. I use them to level 3 piece pool table slates on 9 foot pool tables. In my case I snap off the excess shim once the slates are level to each other abd the base frame of the pool table. In your case just leave them as made. They come in a package of 8 I think and they're cheap. Don't use the wood ones. They won't last long doing what you'll be using them for. In my case I loved it when they came out with plastic ones as the wood version would compact over time from the weight of the slates abd throw off the level which you can't adjust on 3 piece slate pool tables. The truck is gonna be awesome when you guys get it finished. Can't wait to hear whet you name it.

[@richardbutterfoss2353]

Thanks for the lesson! RWB

[@charlesyoung7436]

Rounding off the lower corners of the bracket would immediately make it look better, IMO.

[@garycamara9955]

I adjust my caster by cutting and welding the radius rods, also by modifying the spring mount in the crossmember.

[@phillipshotrodgarage]

The truck is looking great. Cool build for sure! I’d drive it LOL!

[@p3512at]

You can measure the diameter of the tie rod and of the reamer and then use masking tape as a marker on the reamer. Saves a bit of time.

[@IronTrapGarage]

Either way works fine.

[@shanewright6958]

Looking good 👍👍🇨🇱

[@wgoconnor33]

That tapering drill bit was very interesting

[@stevenkarnisky411]

Nicely done, Matt!

[@johnkranz4004]

Looking very nice Matt & Steve

[@classactkirk]

Good video

[@curtcooper9447]

It looks perfect can't wait to see her going on a part's run 😍

[@minbannister3625]

I did this on my A, I used the A wishbone but I put the plates (speedway) inside the frame which was boxed. A pie cut 5in from the perch mount brought the radius arn up and the weld was right behind the tyre. There is no way the wishbone arm could touch where it intersects withe the chassis and if it ever did you would have a lot more to worry about. Also I put 11degs of castor in the axle with 15in wires radial tyres and an F100 (49) steering box. I made a 4in pitman arm. The steering is light at low speed and at 60mph you can feel the 11deg start to come in making a very stable at high speed (up to 95mph) That's where I lost my nerve, I think there was a bit more but.

[@hankpugh4980]

A really interesting and informative video. Hope you post a video if and when you have to cut the front of a wishbone to avoid such a long drop plate at the back of the bone.

[@MrJeep75]

Love that model A truck

[@robertcates4066]

Such a cool truck!!!

[@romo5268]

Very informative. Thanks☝️

[@waynespyker5731]

Use a slow drill press speed, lots of cutting oil clearing the chips often for long reamer life.

[@jackphilly338]

Hey Matt great how to video 👍👍

[@dianelabelle6939]

Have you given any consideration to using electrolysis for rust removal on parts? All you would need is a large tub of water with washing soda, and a battery charger. It works so you can do other things. Bead blasting for example requires someone working all the time. Good luck.

[@oldblueshhrchannel1847]

The wishbone is nicely parallel with the frame, looks great!

[@bluedog373]

Shopping carts have negative caster. Easy to push round. You want positive caster. Did you check camber after the axle drop ?

[@willardway3037]

Question, since you're working with the wish-bone why not make it adjustable in the front like a 4 link? Then one can fine tune the handling.

[@IronTrapGarage]

We don’t use four link. It isn’t a modern street rod. Just our preferences

[@willardway3037]

@@IronTrapGarage Didn't I see in one of your videos you made a nice wishbone? I think (just my thoughts)why not build one like that with a turn-buckle type adjustment on the fork end would look old but still have modern adjustment? Food for thought. The way you did it is ok . My OCD thinks there has to be a compromise.

[@handyhippie6548]

surprised to see you using your plasma head as a hammer. just goes to show that everyone knows that everything is a hammer when you need one. though with the cost of consumables, i might wanna have something made of steel a little closer to hand. with my luck, i'd give it the old tap, tap, tapperoo, and snap off the ceramic cutting electrode. whaa, whaa, whaaaaa. (cue the price is right fail sounds)

[@bobhalstead1879]

I love mats hammer.i guess that werks when tools are free.?

[@bobhalstead1879]

I take a belt to my kids fer. Doing this.

[@bobhalstead1879]

Love his werk and shareing his knowledge

[@87mini]

He's goal-oriented. He did use the back of the torch, at least!

[@IronTrapGarage]

Calm your jets Mr.Monday Morning Quarterback. It was a light tap on the back of the torch. Doesn’t hurt anything. Done it hundreds of times and Been using that same torch for 10 years.

[@frevele1656]

Great video, thanks Also how is upstairs coming along

[@grandudetonesnob7107]

Do you have one of those cowl mount steering boxes in the stash? That could be a schweet little detail!

[@morrismostowyk7802]

Hi Matt. Went looking for the description of the tapered reamer but can’t find it. Where will I find it? Thanks.

[@dennisschickling2249]

Nice Video. #STAYSAFE #PHILLYPHILLY 🇺🇸

[@heres2ya]

where did you pick up that plazma hammer. . . ☻

[@MrVelocity111]

I run 6 degrees and i put blocks on both sides cause it affects the degrees a one to two degrees if not but thats just my way

[@dalehall2993]

You would ever have roadster shop build you a chassis?🤔

[@joealbert7773]

When you were talking about the caster setup, you called the rearward tilt of the kingpin negative caster. Backwards tilt is positive caster. The first sprint car I had had a Hallibrand 6:1 steering gear and we ran 5 or 6 degrees positive caster. The second car had a Lee 8:1 power steering gear. We ran around 12 degrees positive caster. At low speeds the front end would sometimes exhibit a caster shimmy due to low power steering gear pump output. It never happened at race speeds.

[@davidhillman7004]

reamer 7 degrees?

[@jaystewart2577]

Caster Rated lost wishbone ball

[@MrJeep75]

I had a idea, of putting a model A truck on a ford ranger chassis don't know if it would work

[@Joe.Doucette]

I saw one done that way. I didn't look it over very closely under it but it sat and looked fine. However, they did keep the Ranger front axle which really looked out of place.. but worked and was quicker to build, I guess.

[@MrJeep75]

@@Joe.Doucette nice

[@keithwallington4966]

Is the camber angel set on that type of axel

[@ralphoard3187]

Are going to use a F1 48 thru 52 Ford steering box ?

[@frankschwartz7405]

Sorry, but that is not a "tie rod". However it might be a radius rod.

[@IronTrapGarage]

Tie rod end.

[@squidgameisaliarisawnosqui5341]

Your going to make it look kick ass I know that 😏 Follow you on IG always great videos ty Steve

[@tat255987]

IMO a slight concave would have looked better than the convex with a small bevel around the whole bracket.