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Shawn's Chassis

Shawn's Chassis

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Old 03-24-2018, 06:52 PM
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Shawn's Chassis

Started as a Corvette, which I cut in half. Who wouldn't want to cut a Corvette in half?
Attached Thumbnails Shawn's Chassis-d.jpg   Shawn's Chassis-e-.jpg   Shawn's Chassis-racecar-1.jpg   Shawn's Chassis-racecar-2.jpg   Shawn's Chassis-racecar-4.jpg  

Shawn's Chassis-racecar-3.jpg   Shawn's Chassis-racecar-5.jpg   Shawn's Chassis-b.jpg   Shawn's Chassis-.jpg  
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Old 03-24-2018, 07:21 PM
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Sorry I haven't been following the project, what type of track car is this?
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Old 03-24-2018, 09:19 PM
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Cool project... Neat...
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Old 03-24-2018, 09:49 PM
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Building this to NHRA spec. for E.T. 1/4 mile, might have it certified SFI in the future when he goes for big power. At first it will be a mild gas engine then he plans to build an alcohol engine, then possibly add a supercharger. Along the way he's shooting for a 140 mph car.
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Old 03-25-2018, 01:21 AM
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Thats a cool project.
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Old 03-25-2018, 10:48 AM
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Thanks guys. Mocked up the 4 link and wheelbase, coming up as 28" bars and 116"W.B., not what we were expecting and have to mull this one over. The car started as Corvette build into a chassis build for a Viper body. Both short in the back long in the front. The fiber glass body is a Beretta we plan to put a Lebaron front end and rear lights on, probably why my boss calls me the "Butcher of Dorchester".

So it's adjust everything and do plastic body work, both things I don't want to do, and the front of the cage matches the front shape and angle of the windshield and door hinge mounts, big bonus.

My option is to make a longer roof line girder frame rail like in the Pro Stock, Pro Mod cars to carry the further back spring mounts. I still have 50ft of 1 5/8" tube to put in the car, getting more smaller tube and more cutting/notching is not what I am looking forward to.

This is like building a set of headers, at the start my enthusiasm is high, half way through I start hating it, love the welding but not the fitting.
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Old 03-25-2018, 11:52 AM
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Took a photo of the problem, 3/4" square tube pieces with 1/2" hole to recreate 28" 4 link bars.
Attached Thumbnails Shawn's Chassis-z.jpg  

Last edited by Coronet 500; 03-25-2018 at 11:55 AM.
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Old 03-25-2018, 05:29 PM
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Hummmm... 28" is about the max on a 4 link bars as far as my under standing. But that was bases on 110" W.B.
Is this more because the body lines up better?

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Old 03-25-2018, 06:05 PM
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I started at the windshield where the angle, shape and where the A pillar and door hinges line up beautifully with the front vertical cage tube. Going back from there you would have to add a foot to the cage length to match the body, small passenger compartment Corvette/Viper.

Looking at the picture, imagine moving the front 4 link brackets back to make the bars shorter, so saw through the cage move it and driver back 6-12", or push cage back as is and have firewall tube pieces in the door opening.

If I alter the cage and he does get a Viper body, which I'm sure he will, it's cut and change it back. I looked at it this afternoon and the girders with long bars will work. Viper time will be shorter bars move springs forward and cut the too long back off.

I spoke with Shawn and now he says build it the way you want "you can build it better than I ever could". Still mulling it over and open to suggestions.
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Old 03-26-2018, 12:28 PM
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Neat way to approach that kind of build...
You have lots of stuff to fit and fabricate...
I'm on the edge of my seat...
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Old 03-30-2018, 02:24 PM
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This is what we came up with.
Attached Thumbnails Shawn's Chassis-zcar.jpg  
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Old 03-30-2018, 06:49 PM
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Looks great from what can be seen....
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Old 03-30-2018, 07:24 PM
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Old 03-31-2018, 04:30 PM
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They say "clothes make the man" I agree. Got 10 more feet of tube in today, only 30 feet to go.
Attached Thumbnails Shawn's Chassis-zcar3.jpg  
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Old 03-31-2018, 05:32 PM
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LOL.... I can see more than that you will use... Looking good Mr. Welder !!!!!!
Cant wait to see what it weight is...
75/25 on the Argon Gas ????
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Old 03-31-2018, 06:12 PM
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Yes, mixed gas and .035" wire.
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Old 04-01-2018, 03:49 PM
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Borrowed Strange 6" shocks for mock up. Need to tip front 4 link bracket back to get radius of top holes to match bar movement when adjusted.
I'll start sending medium sized pictures because when you click on them they come up larger and easier to see like this last one.
Attached Thumbnails Shawn's Chassis-zcar5.jpg  

Last edited by Coronet 500; 04-01-2018 at 03:54 PM.
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Old 04-07-2018, 12:47 PM
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A little more tube.
Attached Thumbnails Shawn's Chassis-0f916b16-3294-4359-bfdb-86838729a369.jpeg  
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Old 04-07-2018, 12:54 PM
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Photos.
Attached Thumbnails Shawn's Chassis-26df5039-d837-4e6b-b8e0-5129fe4618fc.jpeg   Shawn's Chassis-c1add7f2-cf8e-4889-b7a4-04bdb7afeb1b.jpeg  
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Old 04-07-2018, 02:37 PM
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Looks like your making good headway...
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Old 04-07-2018, 03:30 PM
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Are you Mig or Tig welding all those joints?
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Old 04-07-2018, 03:58 PM
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Mig, mixed gas, .035" wire. The car we bought came 1 3/4" x .120" DOM, my main frame rails and other main structural pieces are 1 3/4' x .134" DOM (60ft), the rest is 1 5/8" x .120" DOM (72ft), then there is some 1 1/2", 1 1/4", 1" x .120" crew tube (40ft) for cross bracing.
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Old 04-08-2018, 08:00 AM
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Done for now, time to rest.
Attached Thumbnails Shawn's Chassis-083448bd-9d07-422c-8864-6269b0bb49a7.jpeg  

Last edited by Coronet 500; 04-08-2018 at 08:02 AM.
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Old 04-13-2018, 12:57 PM
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Adjustable lower shock mounts started.
Attached Thumbnails Shawn's Chassis-4ffd53f5-4722-4624-a588-3da211e15605.jpeg   Shawn's Chassis-b3150153-3f0a-44b5-946e-aaa79b9bef95.jpeg  
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Old 04-14-2018, 07:33 PM
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Got the 4 link brackets set tipped back with a pie shaped C channel cut from a 2x2 square tube, happy with the result. Dont mind the simple notches but the 3 or 4 intersecting ones take more time than I like.
Attached Thumbnails Shawn's Chassis-7c952ffb-1e1e-4671-ad8c-b70bb0574b2b.jpeg   Shawn's Chassis-8f223375-f93d-4ac6-9324-7ded76f302a2.jpeg   Shawn's Chassis-68a0b5a9-51f5-41a7-8a1c-13542b204aab.jpeg   Shawn's Chassis-5843ef93-0c09-437f-8782-70f65a810d23.jpeg  
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Old 04-14-2018, 10:15 PM
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Wow... That took some time to fit !!!!
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Old 04-15-2018, 07:34 AM
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Yeah, it tired Reggie right out.
Attached Thumbnails Shawn's Chassis-bd4713a7-34d0-4a78-8f2d-de015f5855bb.jpeg  
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Old 04-15-2018, 08:28 AM
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Good Helper.... lol
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Old 04-15-2018, 09:43 AM
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Mopar Mo is the better shop dog.
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Old 04-21-2018, 06:16 PM
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Got two 4 inch stubs at the back corner to pick up the rocker and mount the body, took forever but very happy with result. Put in two at the firewall with one bendy to give room for Auto trans linkage but not intrude into his right foot. Fabbed tab for plate to bolt to that will hold shifter then added a 1 inch tube to the firewall tube. Well see if this will work with the tunnel, not sure yet if Im 100% satisfied with it but engine/trans and driver fitting will tell.

Just saw my Philadelphia Eagles play Shawns Tennessee Titans week 4 this will be a beauty in our house.
Attached Thumbnails Shawn's Chassis-1b47601a-d26e-44d9-82d8-02c15c042f77.jpeg   Shawn's Chassis-12800f9b-474f-4e9b-b040-e21d3aec3bec.jpeg   Shawn's Chassis-9ae944e0-8d60-475b-a18b-3ceddaa35926.jpeg  
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