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Improved Porsche 911 Camber Adjuster & Ride Height Torsion Bar Indexing

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I install my stock torsion bars and modify the Porsche 911 spring plates with an improved camber adjustment block. This adjuster is more precise and repeatable than the stock eccentric bolt that it replaces.
I also show the procedure to adjust the rear ride height by re-positioning the torsion bar splines.
If you don't want to weld something like this, there are some nice kits available too:
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Below is a table of contents of past episodes 1-35. Click the link below for the rest
www.ahhgaragetime.com/TOC
Intro
Stripped Shell Introduction
• Porsche 911 Longhood C...
1
Drivers Fender Backdate, Unfold short hood edge, Make Signal Box Parts From Flat Sheet
• Backdating My Porsche ...
2
Drivers Fender Signal Box, Shape Bottom Portion w/ Bead Roller
• Porsche 911 Metal Fabr...
3
Drivers Fender Side Patch Panel Hammerform, TIG Weld Signal Housing
• CNC Machined Hammerfor...
4
Drivers Fender TIG Weld Side Patch Panel, Add signal housing triangle piece
• TIG Welding Sheetmetal...
5
Passenger Side Fender Backdate, Additional Content From Driver's Side
• Modify Your Short Hood...
6
Shorthood to Longhood Conversion, Form Outer Skin Edges And Weld On
• Project Porsche 911, L...
7
E Wheel and Form Longhood Inner Skin w/ Handormed Strength Rib
• English Wheel Metalsha...
8
TIG Weld Outer and Inner Longhood Extension
• Porsche 911 Restoratio...
9
Longhood Front Seal Custom Bracket
• Porsche 911 Carrera RS...
10
Rear Backdate, Remove Rear Impact Bumper and Valence
• Porsche 911 RS Tribute...
11
Lead Rear Valence Corners, Rear Latch Panel Backdate
• Porsche 911 Outlaw Bui...
12
Hybrid Steel License Plate panel & Fiberglass Rear Bumper, Custom Panel Brackets
• Porsche 911 Build - Hy...
13
Custom Aluminum Rear Bumperettes, Solidworks Design, Cut on CNC machine, Rear Flare Trial Fit
• Old Porsche 911 Resto ...
14
Form and TIG Weld Custom Rear Aluminum Bumperettes, Rear Bumper Complete
• Old Porsche 911 Resto ...
15
SC to RS Flare Comparison, Photoshop & Sheetmetal Conversion to RS
• How to Spot a SC Fende...
16
Tack Weld Passenger Side RS Rear Flare, Remove Undercoat, Align Flare
• How to Butt Weld a Ste...
17
Weld Passenger Side Flare, TIG VS MIG, Planishing, Weld Distortion, TIG Arc shots
• Porsche 911 Build - We...
18
Align Body Panels, Hood gaps, Adjust tub with dumbell, Repair Rocker, gap tool, Windshield fit check
• How to Align Body Pane...
19
Fill 20+ Holes, Mirror, Washer Jets, Rockers, Gas Filler, Antenna,
• How to Fill Holes in Y...
20
Remove Rear Window without cutting seal, Kick Method
• How to Remove Porsche ...
21
Remove Decklid Bumps and adjust Gaps & Fit, Add Weld material to edge
• Porsche 911 Decklid Pa...
22
Weld Pssgr Fender Support Panel, Lead Hood to Fender Gap, Weld Fender Edge to Reduce Gap
• Perfect 3mm Door Gaps ...
23
Build quality, Improve Panel Fit, Lead Passenger Door Gap, Lead Rocker to fender gap, Drivers Door
• Who Doesn't Want High ...
24
Drivers Door Alignment, Fill Rust Pits with TIG, Lead Drivers Door Gap, Adjust Front Fender Signal Fit,
• Panel Alignment Nightm...
25
Discovered Rust in Suspension Pan, Spot Weld Drilling, Tram Guage Mounting Points, cut out pan
• Rust Repair is HARD on...
26
Suspension Pan Repair, remove suspension, Cut Latch Panel for Oil Cooler, Check Squareness
• Suspension Pan Replace...
27
Align and Weld Suspension Pan, Spirit Level to remove twist, Kettle Bell Hits to Tweak Position, Rosette Welds
• 911 Suspension Pan Wel...
28
Re-Align Hood/Tub after Suspension Pan Install, Repair rust on gas tank panel,
• 911 Gas Tank Panel Rep...
29
Gas Tank Support Welded In, De-rusted with Electrolysis Bath, Reshaped pan edge, Final welding
• How to Simulate Factor...
30
Simulate Factory Spot Welds, Rosette Plug Welds, Pencil eraser on primer
• How to Simulate Factor...
31
Convert Drivers Side Flare to RS Profile and Repair Rust Damage
• Porsche Restomod - RS ...
32
TIG Weld Drivers Side Flare, Remove Failed Undercoating in Wheel Well, Planish and Metal Finishing
• 911 Restomod | This is...
33
Strip Paint from Car and Prep for Epoxy Primer, Strip it disc and paint stripper
• How to Beat the Ugly O...
34
Epoxy Prime, Project Review and Cost Reveal
• My Cheap Porsche Gets ...
35
Rear Coilover Gussetts & X-member strengthening plates, Golf Ball Dimple Dies For Speed Holes,
• How To Make Your Porsc...
~-~~-~~~-~~-~
Please watch: "Automotive Suspension Part 3D Scan with Revopoint Range Scanner"
• Get A Perfect 3D Scan ...
~-~~-~~~-~~-~

Опубликовано:

25 авг 2024

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Комментарии : 40

@iancarpenter2334 3 года назад

Tom, on a 911 rear t bar , one spline clockwise inner and outer one counter yields about .250" This is true for either more ride height or less . well done on the mod , as always you are rocking it . Ian

@GarageTimeAutoResto 3 года назад

Good to know. Not sure why the Elephant racing racing calculator didn't work for me other than my weight was way off. Your numbers are more useful as I increment down. Thanks!

@rodgraff1782 Год назад

There’s supposed to be two eccentric bolts on the stock setup. One for camber and one for toe, so you don’t have to manually pull back and forth, which would be hard to get the fine adjustment. Elephant racings camber max is like what you fabricated, but doesn’t weld on. It has a hole for the bolt. I like the idea of having no empty bolt holes. I use their quick change adjustable spring plates, and hollow torsion bars, along with aluminum trailing arms to save weight in the rear. You need adjustable spring plates to make ride height adjustments and corner balancing easy. With mine, I can change torsion bars by just jacking up the side of the car, removing a snap ring and pulling the bar out. (It’s threaded for a handle)

@GarageTimeAutoResto Год назад

This all correct. However my plan is to goto coil-overs and adjustable pivot points. My inner mounts are also adjustable.

@rodgraff1782 Год назад

@@GarageTimeAutoResto I am curious about the reason you want to go with coil overs on such a light car. Do you plan on racing it?

@GarageTimeAutoResto Год назад

No serious racing. For me its more about the adjustability and keeping the forces all in line. When the spring and dampening forces are far apart it loads the suspension pivots in wierd ways.

@rodgraff1782 Год назад

@@GarageTimeAutoResto I agree. I hope I am ok with all the mods I did. At least my rear shocks are the canister type, and are triple adjustable. My fronts are Fox racing shocks, that are a complete strut, with canisters. They have adjustable height spindles, so I lowered the front height about 3/4” just enough to clear the wheels. There is also an adjustment knob on the canisters. It is a little stiff in the front because I am pretty light up there. Are you going to have to cut our your rear shock tubes, and enlarge them, to accommodate the coil overs?

@GarageTimeAutoResto Год назад

Very cool on the triple adjustables! I think coilovers will fit a long wheel base car in the rear,but you have to use long spring perches so the coil doesn't go up inside the chassis. Time will tell. I'm just trying to get the car back on the road in mostly stock configuration.

@cam3002 3 года назад

This modifications appears to be a really good idea. Looking forward to seeing the results when adjusting the front pivot point on the real control arms.

@GarageTimeAutoResto 3 года назад

Thx, I hope to play around this quite a bit while I try different setups. Like you said there are the inner pivots to play with too.

@smplyizzy 2 года назад

I agree that is a very nice saw.

@GarageTimeAutoResto 2 года назад

Yep, do you have one also?

@grantroberts4231 3 года назад

cool mod. have been eager for you to get to suspension stuff cuz i’m about to hafta overhaul mine.

@GarageTimeAutoResto 3 года назад

More goodies to come regarding cool suspension parts. Are you changing bars and bushings?

@grantroberts4231 3 года назад

Garage Time - Restomod i am. i think my torsion bar bushings are shot. how do you get those out? burn ‘em?

@GarageTimeAutoResto 3 года назад

I think so, heat up and twist off. I haven't played with new bushings which I'm sure are harder to work with than my old junk. Personally I'm going with the rebel racing rear Teflon bushings. I want to to do a drive comparison between the two.

@Truffel12 3 года назад

I really hope you are able to do some comparison testing between 912 vs 911 setup, and torsion bars vs coil overs. The results would be interesting! Keep up the great work 👍

@GarageTimeAutoResto 3 года назад

I hope to👍. What would you be interested in? Over/understeer characteristics? Ride stiffness? Overall feel? Give me some ideas and I'll try to setup those tests. My hope is to have a 911 engine ready to drop in when the time comes. This means I can do tests back to back within a week or so after the engine swap.

@daos3300 3 года назад

torsion bars the same as type 3. very nice system. you may develop cracks in the spring plate around the weld.

@GarageTimeAutoResto 3 года назад

Yes, it's possible that the spring plate is weakened some due to welding. My hunch is that these plates are very over designed to begin with. I'll will keep my eye on them though.

@daos3300 3 года назад

@@GarageTimeAutoResto well hopefully no cracks, it's a nice mod.

@polloloci21 3 года назад

That’s some nice welding

@GarageTimeAutoResto 3 года назад

Thx👍

@damonbaggs3296 3 года назад

Thanks for showing that. That is a really functional (and yet simple) modification. As far as ride height... How heavy is it right now? . Probably like 1200lbs or so, it's not gonna sit at the "planned" ride height until you fatten her up. I'm loving the daily (short) vids. Thank you

@GarageTimeAutoResto 3 года назад

Yeah, I must have the weight wrong. No glass, doors, decklid, but I thought it would have sit a bit lower than it does now.

@philhobson3068 3 года назад

I’m curious about your comment that the torsion bar will be stiffer with less weight. Since the spring rate is non linear, won’t it be less stiff?

@GarageTimeAutoResto 3 года назад

Sorry for the confusion. I meant that a 912 will feel stiffer in the rear than a 911. Given the spring rates are the same and the 912 is lighter. Suspension deflection is weight divided by spring rate. More weight equals more deflection. Why are you saying the spring rate is non linear? Arm geometry?

@enrique-bz7cy 3 года назад

Spring rates are linear no matter what type of spring, F(force) = k(spring rate) * x (displacement). A lighter car feels stiffer on the same level of spring because mass has a damping effect. Less damping = springs bounce around however they want. That’s why cars with blown shock absorbers go pitter-pattering down the road too.

@GarageTimeAutoResto 3 года назад

This is the right track. Mass changes the bouncing frequency but is not a dampener. A dampener will reduce the bounce amplitude. I agree that most springs are linear especially torsion bars. There are some progressive coil springs though.

@enrique-bz7cy 3 года назад

Garage Time - Restomod True. I was trying to speak in layman’s terms but yeah lol the critical difference between k, c, and m (stiffness, damping, and mass) is that they exert force on the system based on displacement, velocity, and acceleration respectively. So mass isn’t actually a damper at all but I’m just used to telling people it has a damping effect lol. And yeah I have heard of some nonlinear springs but that stuff sounds complicated

@enrique-bz7cy 3 года назад

Garage Time - Restomod also can’t wait to use the knowledge from these vids to restore my 240!

@rodneynelson3862 3 года назад

Awesome how to video. I was wondering how that eccentric bolt worked, now I know. It does seem ridiculous to buy adjustable spring plates when you can make them yourself. I just may do this. Thanks Tom!

@GarageTimeAutoResto 3 года назад

My plates don't have the adjusters for ride height like some of the later factory plates or sway-a-way. Coilovers will make ride height adjustment easier once I get all the parts. There is also an eccentric for toe, but I may leave this out.

@rodgraff1782 Год назад

This is not what adjustable spring plates are. This is just an easier way to adjust camber, not ride height. Elephant racing makes the camber max, which is similar to this, but no welding is necessary, as it is held on by the bolt.

@dra911 2 года назад

So, are you using either of the eccentric adjustment bolts at all in this modification, or are you just using normal M12 bolts?

@GarageTimeAutoResto 2 года назад

Just regular bolts. The camber adjuster worked well, but all adjustments were done without vehicle weight on them.

@dra911 2 года назад

@@GarageTimeAutoResto Cool, thanks!

@Rckhlld1 3 года назад

Water will get in between the metal and rust it !! I’d weld all the way round

@GarageTimeAutoResto 3 года назад

Good Point. It will get a little dicey near the threads! The truth is I may need to cut the height down a little on the inside. It's a bit closer to the arm than I thought. I want a big range of adjustment, so we'll see. This arm will be removed many more times I'm sure.

@Rckhlld1 3 года назад

Garage Time - Restomod I just knew there’d be a good reason 😂 great restoration project 👍