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How To - Tips => Frame => Topic started by: Robert on September 21, 2013, 02:23:09 AM

Title: Chassis works chassis build. Freaking finally!
Post by: Robert on September 21, 2013, 02:23:09 AM
My new daughter is 3 months old now. My wife is finally letting me go out and play! I leveled my fitting table within 1/32 of an inch. I am using a conventional bubble level to get me in the ball park, and using a self leveling laser level, to get an precise measurement.
Title: Re: Chassis works chassis build. Freaking finally!
Post by: SchulzeA on September 21, 2013, 03:29:33 AM
Nice work so far. Congrats on the baby! My boy just turned 2 months old this week  ::angel
Title: Re: Chassis works chassis build. Freaking finally!
Post by: lambocars on September 21, 2013, 06:44:19 AM
hello, good job ... I have all the parts and chassis brackets laser cut and folded and in case you are interested, a greeting
Title: Re: Chassis works chassis build. Freaking finally!
Post by: italianknightrider on September 21, 2013, 12:11:26 PM
nice job , please post a picture of the C4 or C5 front suspension mounting brackets only , did they cut the gusset that fit behind the upper plates as well, going to pay someone to build the front basket part of the frame for me the upper and lower part all put together ...... i order the front suspension brackets last week , this will work with my SuperBass which is 106.3 just add 3" inside the cabin ,make the outside & center tubes 3" longer this will change the wheel base
Title: Re: Chassis works chassis build. Freaking finally!
Post by: Robert on September 21, 2013, 01:45:50 PM
Thanks guys.
Title: Re: Chassis works chassis build. Freaking finally!
Post by: italianknightrider on September 21, 2013, 02:12:53 PM
(http://i18.photobucket.com/albums/b138/italianknightrider/italianknightriders%20album%202/LPFRAMEtopviewTXT.jpg) (http://s18.photobucket.com/user/italianknightrider/media/italianknightriders%20album%202/LPFRAMEtopviewTXT.jpg.html)
(http://i18.photobucket.com/albums/b138/italianknightrider/italianknightriders%20album%202/LPCWFRONTEND.jpg) (http://s18.photobucket.com/user/italianknightrider/media/italianknightriders%20album%202/LPCWFRONTEND.jpg.html)
(http://i18.photobucket.com/albums/b138/italianknightrider/italianknightriders%20album%202/lpCWfrontframewithC4suspensionmountingbrackets.jpg) (http://s18.photobucket.com/user/italianknightrider/media/italianknightriders%20album%202/lpCWfrontframewithC4suspensionmountingbrackets.jpg.html)
Title: Re: Chassis works chassis build. Freaking finally!
Post by: Robert on September 21, 2013, 08:13:04 PM
Nice work so far. Congrats on the baby! My boy just turned 2 months old this week  ::angel
Thank you Alan. Congrats on your new son!
Title: Re: Chassis works chassis build. Freaking finally!
Post by: Robert on September 22, 2013, 05:12:38 PM
nice job , please post a picture of the C4 or C5 front suspension mounting brackets only , did they cut the gusset that fit behind the upper plates as well, going to pay someone to build the front basket part of the frame for me the upper and lower part all put together ...... i order the front suspension brackets last week , this will work with my SuperBass which is 106.3 just add 3" inside the cabin ,make the outside & center tubes 3" longer this will change the wheel base
I could move the rear control arms back 3 inches. This would also put the drivetrain in a more central postion, for better equal weight distribution.
Title: Re: Chassis works chassis build. Freaking finally!
Post by: Tallon on September 22, 2013, 06:54:09 PM
Yay making the chassis is the fun part
This is for "superbass" then?
Title: Re: Chassis works chassis build. Freaking finally!
Post by: Robert on September 26, 2013, 01:19:29 AM
I do not know, at this time.
Title: Re: Chassis works chassis build. Freaking finally!
Post by: autopro on September 26, 2013, 09:25:14 AM
Nice! another frame build and it's looking good.  I have been wanting to see one of these done for a while.  Can you show more details of the suspension and how it mounts?
Title: Re: Chassis works chassis build. Freaking finally!
Post by: Robert on September 26, 2013, 11:03:01 PM
I have the front section tacked into place. When I start mounting the A arm brackets, I'll post some more pics.
Title: Re: Chassis works chassis build. Freaking finally!
Post by: Robert on September 29, 2013, 02:29:16 AM
I finished welding the front section tube tonight. I will install the suspension brackets this week, and post some pics.
Title: Re: Chassis works chassis build. Freaking finally!
Post by: Robert on October 06, 2013, 11:02:07 PM
I tacked the right suspension brackets into place. Here's a few pics.
Title: Re: Chassis works chassis build. Freaking finally!
Post by: SchulzeA on October 07, 2013, 12:52:18 AM
 ::thumbup looking good! Did you end up forming your brackets by hand? They look nice.
Title: Re: Chassis works chassis build. Freaking finally!
Post by: usmc_butler on October 07, 2013, 08:15:32 AM
Fantastic work  ::K
Title: Re: Chassis works chassis build. Freaking finally!
Post by: Robert on October 07, 2013, 09:39:37 AM
Thanks guys, I used a hand brake to bend the parts.
Title: Re: Chassis works chassis build. Freaking finally!
Post by: plans4sale on October 07, 2013, 03:12:11 PM
 Those are some decent welds you did! Very clean and uniform. ::thumbup
Title: Re: Chassis works chassis build. Freaking finally!
Post by: italianknightrider on October 07, 2013, 07:51:48 PM
very nice job , i will be following this frame ,thank you for posting the pic.
Title: Re: Chassis works chassis build. Freaking finally!
Post by: Robert on March 07, 2014, 01:51:07 AM
Well., I finally finished crunching the numbers for my LS4 in a Chassis Works chassis. I am making the bottom subframe/engine cradle 11 inches wider, and the top section of the rear subframe 2 inches wider. This will give me 1 inch of engine clearance for the trans and engine on top. I am modifying the chassis so the lower section/engine cradle and suspension will unbolt, and removed from the bottom, just like a front wheel drive car. Because the lower control arm is 5.5 inches shorter, I think that progressive springs are in order. With the lower control arms shorter, the leverage/lever factor on the coil overs changed. I don't think 400lb springs are needed, the ride would be too hard.  I am using factory rubber drivetrain mounts. I don't want to feel drive train vibrations.What do my lambo brothers think? I will be posting pics soon.
Title: Re: Chassis works chassis build. Freaking finally!
Post by: AdrianBurton on March 07, 2014, 09:57:43 AM
Robert

did you look at thte camber curve for your shortened arms?  you may have to relocate the upper arm mounts to keep the rear from being to darty
Title: Re: Chassis works chassis build. Freaking finally!
Post by: Robert on April 30, 2014, 02:49:26 AM
Adrian, I made a scale model using wood, I found some dimensions that keep the hub close vertical through the entire travel. I believe this would give me the most stability during jounce and rebound. What do you think?
Title: Re: Chassis works chassis build. Freaking finally!
Post by: AdrianBurton on April 30, 2014, 08:40:45 AM
Adrian, I made a scale model using wood, I found some dimensions that keep the hub close vertical through the entire travel. I believe this would give me the most stability during jounce and rebound. What do you think?

Without seeing the model/ numbers it is hard to tell but some camber gain isnt bad, just a few degrees is all that you need
Title: Re: Chassis works chassis build. Freaking finally!
Post by: 01Lambiero on April 30, 2014, 09:48:41 AM
Super looking chassis, Robert.  Is it as heavy as it looks? ::scratch  You are probably going to end up with a 65/35 rear/front weight ratio or close to it.  I really don't think that the 400# springs are going to be too stiff.  Your engine/trans package must weigh in at around 700#.

Jim
Title: Re: Chassis works chassis build. Freaking finally!
Post by: Robert on April 30, 2014, 10:52:48 AM
Super looking chassis, Robert.  Is it as heavy as it looks? ::scratch  You are probably going to end up with a 65/35 rear/front weight ratio or close to it.  I really don't think that the 400# springs are going to be too stiff.  Your engine/trans package must weigh in at around 700#.

Jim
 
Thank you Jim. I think your right with the spring rates.
Title: Re: Chassis works chassis build. Freaking finally!
Post by: SchulzeA on April 30, 2014, 11:50:26 AM
It says 450lbs for the bare chassis on my plans somewhere. It sure seems heavier when you have to move it without wheels!
Title: Re: Chassis works chassis build. Freaking finally!
Post by: Digibeam on April 30, 2014, 01:56:19 PM
When I was first building my frame I tack welded (4), 4" wheels to the bottom of the chassis at the corners of the tub area,  this allowed me to move it about when needed and not pop a disc in the process. ::K
Title: Re: Chassis works chassis build. Freaking finally!
Post by: Robert on May 01, 2014, 12:28:34 AM
Adrian, I made a scale model using wood, I found some dimensions that keep the hub close vertical through the entire travel. I believe this would give me the most stability during jounce and rebound. What do you think?

Without seeing the model/ numbers it is hard to tell but some camber gain isnt bad, just a few degrees is all that you need
I am heading out to the garage to take some additional measurements. Thank you!
Title: Re: Chassis works chassis build. Freaking finally!
Post by: Robert on May 04, 2014, 11:17:08 AM
I found a good suspension calculator!
 http://www.racingaspirations.com/welcome (http://www.racingaspirations.com/welcome)