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-   -   Vorshlag Build Thread - 69 Camaro Pro Touring/Track Car (https://www.lateral-g.net/forums/showthread.php?t=51973)

carbuff 04-20-2016 10:01 AM

Quote:

Originally Posted by Flash68 (Post 635800)
Now that's an update. Thanks Terry.

You could learn a thing or two from this... :poke:

Vince@Meanstreets 04-20-2016 10:23 AM

Quote:

Originally Posted by carbuff (Post 635833)
You could learn a thing or two from this... :poke:

I was waiting for that!! :peepwall: :gitrdun:

Flash68 04-20-2016 10:26 AM

Quote:

Originally Posted by carbuff (Post 635833)
You could learn a thing or two from this... :poke:

I think a lot of people can learn way more than 2 things from this thread. They definitely know that a dry sump tank is a good idea the first time.

Quote:

Originally Posted by Vince@Meanstreets (Post 635839)
I was waiting for that!! :peepwall: :gitrdun:

I wasn't.

Let's try not to muck up one of the most well done threads on Lateral G shall we gents?

:cheers:

fleet 04-21-2016 06:27 AM

Quote:

Originally Posted by Flash68 (Post 635840)

Let's try not to muck up one of the most well done threads on Lateral G shall we gents?

:cheers:

Agreed.

This is hallowed ground.


:thankyou:

Ron in SoCal 04-22-2016 08:54 PM

Epic update Terry!

Quick question: 12lb weight savings on steering arms? Seems like a lot.

:cheers:

modernbeat 04-26-2016 12:07 PM

Quote:

Originally Posted by Ron in SoCal (Post 636044)
Epic update Terry!

Quick question: 12lb weight savings on steering arms? Seems like a lot.

:cheers:

The original arms were made from plate steel. Just cut out of a 1" thick plate. Ouch.

jydracing 05-02-2016 09:45 AM

jydracing, about dropped sreeering arms
 
Quote:

Originally Posted by Fair (Post 635754)
continued from above

https://vorshlag.smugmug.com/Vorshla...DSC_9338-S.jpg https://vorshlag.smugmug.com/Vorshla...DSC_9339-S.jpg

After the Billet Specialties hood hinges came in we realized they are MASSIVE. This video shows the action of these things - very smooth. We mocked them up on the car and they were going to run into the front tires at full bump. That 315mm tire stuffed under stock outer fender contours takes up a LOT of room under the hood, unfortunately. At this point we had figured out that the flat hood was the way to go for venting, so we could go with a simpler, lighter, and easier to mount single-pivot hood hinge... so the Billet Specialties hinges went back. Oh well, they sure were slick to see in person.

https://vorshlag.smugmug.com/Vorshla...er-motor-M.jpg

Our second question here related to the windshield wiper system. Because the factory firewall has been moved significantly, it would be an extreme amount of work to use any of the OEM wiper system components. After researching various options, we felt that a synchronized, direct mount wiper motor system is the best option. This eliminates any linkages that would need to be designed, and instead mounts the wiper arm directly onto a degreed sweep style wiper motor. The industries these style of motors are used in are either motorsports or marine applications. We contacted Bosch to receive more information on their programmable Motorsport WDA and found there are currently only 3 available in the U.S. with an asking price of $890 each, and the car would need two.

https://vorshlag.smugmug.com/Vorshla...DSC_0674-M.jpg

The second option we found was a very reasonable wiper motor sold by Marinco. These models have sweeps ranging from 45° to 110° and come in a very compact size. Our plan was to use a three-position switch, giving the driver control of "park", low, and high wiper speed options. With an average price per unit of $150, we could get two of these for less than a third of the price of a single Bosch WDA. Mounting would be straightforward with only one bracket being fabricated for each motor and no linkages needed. Will show more of this after we get a chance to install these parts - we need a windshield and a cowl panel back in the car to design around.

COILOVER SHOCK DISCUSSIONS

After doing some research into the coilover shocks that had previously been purchased we determined that they wouldn't work for a variety of reasons. The springs were sized with giant coilover springs that wouldn't clear the front control arms, the shock brand and model were not something ever seen on road race cars, and the hose lengths for the remote reservoirs were too short. Now that the steering system components were fabricated and the geometry was checked and rechecked, and we would be taking the Camaro off the fab table in the coming weeks, it was time to look at dampers that would be more appropriate for this build.

https://vorshlag.smugmug.com/Vorshla...B61G5256-M.jpg

During this coilover discussion Ryan sorted out the eye-to-eye style shock mounts at both ends.

https://vorshlag.smugmug.com/Vorshla...DSC_9347-S.jpg https://vorshlag.smugmug.com/Vorshla...DSC_9348-S.jpg

Ryan fabricated double-sheer mounts for both the front and rear shocks (the final shock brand was yet to be determined). The solid "mock-up shocks" were then able to support the suspension at both ends and the car. We were all eager to set this Camaro back on its wheels for the first time in 10 months.

There were some lengthy discussions about shock brands, number of adjustments, remote reservoirs, dyno plots, spring sizes and the like. We are known to be shock snobs here at Vorshlag but we have gotten that way after working with 1000+ shock sales and installs over the past dozen years. I will discuss more about the final shocks when they are installed.

REAR SEAT AREA CROSSMEMBER WORK

The original rectangular rear crossmember behind the driver needed clearance for the driveshaft and exhaust. Now that the driveshaft had arrived it was time to make the U-shaped clearance section and add some tubing to the top to tie into the 3rd link mount cross bar.

https://vorshlag.smugmug.com/Vorshla...IMG_2207-M.jpg

Ryan laid out the shape he wanted, marked center points for some holes, then hole-sawed two massive holes shown above for the corner radii...

https://vorshlag.smugmug.com/Vorshla...DSC_9335-M.jpg

He then cut out the parts in between....

https://vorshlag.smugmug.com/Vorshla...DSC_9336-M.jpg

Used some flat stock to make the curved section...

https://vorshlag.smugmug.com/Vorshla...B61G6323-M.jpg

Ground everything smooth and flat....

https://vorshlag.smugmug.com/Vorshla...B61G6326-M.jpg

Then clamped his pre-bent curved section in place and spot welded it along the edges.

https://vorshlag.smugmug.com/Vorshla...B61G6484-M.jpg

Then the custom aluminum driveshaft was installed. After that the curved tubes closed the box around the U-shaped section and tied into the rear upper 3rd link mount cross bar. Then the 3-rd link mount on the chassis end was modified.

https://vorshlag.smugmug.com/Vorshla...DSC_9354-S.jpg https://vorshlag.smugmug.com/Vorshla...DSC_9356-S.jpg

The upper bracketry was changed to add multiple pick-up points for the upper control arm, just like you can see on the lower arms at the chassis side, for additional rear suspension geometry adjustability. The 3 rear control arms are all adjustable for length as well.

continued below

"Fair", I have the same a pair of dropped steering arms that you show in post 73. They only weigh 5.5 pounds, (I can send pics of the arms on the scales),,how did you save 12-14 pounds by building new ones??? Also, I have them mounted in in a 63 Corvette and have had no problems, (no bump steer), with my steering?? Sound Like you are maybe trying to drum up business by telling whoopers!!! Although you do have some nice work on your build thread!!!!!

SBDave 05-02-2016 04:45 PM

I'm gonna guess the 12 pounds takes into account the difference in hardware for the tie rod, the tie rod spacers and using a smaller rod end its self.

The Vorslag guys share so many little details I doubt they are trying to pull any smoke and mirrors.

I appreciate seeing a car like this come together, thanks guys!

Dave

Panteracer 05-02-2016 07:28 PM

69 protouring
 
Ok this thing is so bad I want two of
them as long as they are black:)


Had a 69 Z28 when I was a kid but nothing
even close to this Beast

Great fabrication and thought process
Give me two more lifetimes to even get close

Bob

jydracing 05-02-2016 09:47 PM

Quote:

Originally Posted by SBDave (Post 636761)
I'm gonna guess the 12 pounds takes into account the difference in hardware for the tie rod, the tie rod spacers and using a smaller rod end its self.

The Vorslag guys share so many little details I doubt they are trying to pull any smoke and mirrors.

I appreciate seeing a car like this come together, thanks guys!

Dave

Do not get me wrong Dave, there build thread displays some very fine work, and creative ideas,,but,,That is not what the thread says?? It says he changed from 1 inch by 3/4 inch cold roll steel to 1 inch tubing, and by doing that he saved 12 lbs. The dropped steering arms weigh 5.6 lbs. Four bolts and tie rod ends and spacers do not weigh 6.4 lbs. If they did you would have 12 pounds all together, so where do you loose the 12 lbs?? If you have a better explanation I will believe you, if not, I am seeing a little smoke!!


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