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Re: Chassis Help [Re: Leon441] #1449629
06/11/13 10:55 PM
06/11/13 10:55 PM
Joined: Mar 2013
Posts: 197
Nor-Cal
L
loaderpro Offline
member
loaderpro  Offline
member
L

Joined: Mar 2013
Posts: 197
Nor-Cal
I was not just chimeing in or trying to spend somebodies money Leon! You put a hot rod engine in that yards the tires 3-4 feet in the air it's going to take more than a handful of steel shims to correct it. Especially if there is bump steer involved...that as you well know is nothing to fool with.

7739841-pomona.jpg (29 downloads)
Re: Chassis Help [Re: loaderpro] #1449630
06/12/13 01:20 AM
06/12/13 01:20 AM
Joined: Jun 2008
Posts: 577
Arkansas
A
Adrielp Offline OP
mopar
Adrielp  Offline OP
mopar
A

Joined: Jun 2008
Posts: 577
Arkansas
https://www.facebook.com/photo.php?v=146...e=2&theater

The link above is a video of the first pass with the car last weekend. We learned a lot this weekend and will make adjustments to correct it. Enjoy the vid! Theres also some pics of the car on the page as well.

Last edited by Adrielp; 06/12/13 01:25 AM.

Adriel Paradise
Substation Design Engineer III
Re: Chassis Help [Re: loaderpro] #1449631
06/12/13 08:51 AM
06/12/13 08:51 AM
Joined: Jan 2003
Posts: 9,996
Frostbitefalls MN (Rocky&Bullw...
gregsdart Offline
master
gregsdart  Offline
master

Joined: Jan 2003
Posts: 9,996
Frostbitefalls MN (Rocky&Bullw...
Quote:

I was not just chimeing in or trying to spend somebodies money Leon! You put a hot rod engine in that yards the tires 3-4 feet in the air it's going to take more than a handful of steel shims to correct it. Especially if there is bump steer involved...that as you well know is nothing to fool with.



Good point. It is probably time to prioritize the moves that most feel are important. IMHO they would be-
1....how good are the front end parts-does the front need a rebuild? If so, determine what type of bushings, rubber or poly
2....set front and rear chassis height and set caster where you will run it. THEN check for bump steer problems through the range the front will travel during a run. Acquire a Mopar chassis manual, and fix the bump steer if needed to get within 1/8 all the way through travel.
3.... set up your travel limmiters, both up and down for cushioned stop to travel. Raising the lower one some should help protect the pan, provided you have some shock control to assist.
4.... Determine what front shocks you want to run IMHO you need some good shock control for landing. I am not up on what is out there for budget shocks that will work for your situation, so that may require a post of its own.
5.... Strongly consider wheeliebars if you can't get it consistent and keep the wheelstand at a reasonable level.
Wheeliebars are costly- but so are oil pans, bent rims, etc. The other factor is consistency. The wheeliebars will make the car more predictable for sure.


8..603 156 mph best, 2905 lbs 549, indy 572-13, alky
Re: Chassis Help [Re: gregsdart] #1449632
07/01/13 12:02 AM
07/01/13 12:02 AM
Joined: Jun 2008
Posts: 577
Arkansas
A
Adrielp Offline OP
mopar
Adrielp  Offline OP
mopar
A

Joined: Jun 2008
Posts: 577
Arkansas
Problem solved! Car is launching very well and we ran a personal best in the worst air the car has run in all year. Leaves straight as an arrow as well. Anyway, we have some vids up on our facebook page of the runs from this weekend. There is also a few inside car vids as well. Feel free to like our page as well. Follow the link and enjoy!

https://www.facebook.com/pages/Paradise-Racing-Engineering/146044575585862

Career best: 6.34 @ 108.43 in the 1/8th
Conditions: 88deg, 29%, 29.76bar, DA: 2701ft


Adriel Paradise
Substation Design Engineer III
Re: Chassis Help [Re: Adrielp] #1449633
07/01/13 12:21 AM
07/01/13 12:21 AM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
Master
MR_P_BODY  Offline
Master

Joined: Jun 2003
Posts: 52,972
Romeo MI
Quote:

Problem solved! Car is launching very well and we ran a personal best in the worst air the car has run in all year. Leaves straight as an arrow as well. Anyway, we have some vids up on our facebook page of the runs from this weekend. There is also a few inside car vids as well. Feel free to like our page as well. Follow the link and enjoy!

https://www.facebook.com/pages/Paradise-Racing-Engineering/146044575585862

Career best: 6.34 @ 108.43 in the 1/8th
Conditions: 88deg, 29%, 29.76bar, DA: 2701ft




So what did you do to correct it

Re: Chassis Help [Re: MR_P_BODY] #1449634
07/01/13 12:31 AM
07/01/13 12:31 AM
Joined: Jun 2008
Posts: 577
Arkansas
A
Adrielp Offline OP
mopar
Adrielp  Offline OP
mopar
A

Joined: Jun 2008
Posts: 577
Arkansas
Quote:

Quote:

Problem solved! Car is launching very well and we ran a personal best in the worst air the car has run in all year. Leaves straight as an arrow as well. Anyway, we have some vids up on our facebook page of the runs from this weekend. There is also a few inside car vids as well. Feel free to like our page as well. Follow the link and enjoy!

https://www.facebook.com/pages/Paradise-Racing-Engineering/146044575585862

Career best: 6.34 @ 108.43 in the 1/8th
Conditions: 88deg, 29%, 29.76bar, DA: 2701ft




So what did you do to correct it





Limiting the suspension travel up front. Helped a bunch and much more than I thought! I think we took 1 or 2 inches of travel away


Adriel Paradise
Substation Design Engineer III
Re: Chassis Help [Re: Adrielp] #1449635
07/01/13 12:34 PM
07/01/13 12:34 PM
Joined: Feb 2009
Posts: 345
Arkansas
JoWeTu_6 Offline
enthusiast
JoWeTu_6  Offline
enthusiast

Joined: Feb 2009
Posts: 345
Arkansas
Nice runs, I hope to make it to the track soon my self (couple of weeks) Maybe I'll see you all their.

Good racing John T.

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