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Author Topic:   3-Link Dry Slick Setup
12modracer
Dirt Full Roller

Total posts: 68
posted August 25, 2004 08:56 PM  
Need some ideas on how what changes to make to a 3-link short bar lr and long bar rr. Have Lr at 8deg and rr at 5deg. Car hooks good on tacky but is terrible off the corners on dry-slick. Car has no forward bite. Thought about running LR at 15 deg and RR at 8 will this help? And what about running a short bar instead of a j-bar. Thanks for input.

mod70
unregistered Total posts: 68
posted August 25, 2004 09:05 PM           send a private message to 12modracer   Edit/Delete Message   Reply w/QuoteBBBBBB
Cranking some LR bar angle in it will definantly help, as will adding rear %. I have switched from a J-bar to a shorty full time, and don't plan on going back.

doghouse racing4
Dirt Forum Racer

Total posts: 91
posted August 25, 2004 09:22 PM  
I also run a 3 link. My car this year had no foward bite. I made changes and now it has alot more foward bite, just have a push now and am still attempting to get that solved. My foward bit is a ton better. Here's what I did...shorten my LR bar to 12 1/2" in at 15*. RR at 20" at 5*. I run a shorty bar and I will probally never go back. Springs LF 650, RF 750, LR 225 on slider in front of housing, RR 175 on top of housing. Torque arm with progressive spring at 18*. I will probally change my LF spring to a 600 to try and get in to roll better through the turns. My shorty bar has 4" of rake and about even with the pinion. I will probally move it up 1 hole and take some angle out of it to get freed up a little. That is what I did and it seemed to have really helped. we will see if I can get the push out of it. Hope this helps!

Xtreme12x
Dirt Forum Champ
Total posts: 874
posted August 25, 2004 09:32 PM  
get yourself more left rear bar angle
are your mounts on the rearend for the 2 link bar long or short??? how far does your rearend move down and foreward before it stops...
add some rear percent also... run around 62 on a dry dry track
if your running a 3 inch offset on the rr switch to a 4 and put a 1 inch spacer on the left rear or go from a 3 to a 2 inch

speedy46
Dirt Maniac

Total posts: 165
posted August 25, 2004 10:08 PM  
xtreme u don't know what u are talkin bout lol hahaha jk to bad u over heated me and u could have work our way up the field from starting DEAD LAST lol that was fun

Xtreme12x
Dirt Forum Champ
Total posts: 874
posted August 25, 2004 10:11 PM  
yeah found out my problem
dad put carb gasket on backwards and it only left half the holes exposed and then what was hangin over wouldn't let air in...

RACEFAN33
Dirt Forum Racer

Total posts: 98
posted August 25, 2004 10:14 PM  
I have a DW8 on short bars on the both side and I'm having the same problem. The 4-bar and 4-bar zlinks are just beating me off the corners. I can run them back down and get back up to about the LR tire and when they get up on the bars they jump out there about 15 -25 ft and they cat and mouse game is on. Very hard to get around them. I can drive my car deep off in the corner but just can't get enough bit to get around them. Here is my set-up if you have any suggestions let me know.
LF 650 rf 720
LR 200 Lr 175
Both short bars are in the top holes in the plugs. I have a biscuit pull bar form DW and it is in the second up from the bottom. I running about 20 of LR and about 56 on my rear %. I been scaling my car out and thinking about added 60 pounds of lead to get my rear up to around 58. I think this might help. I have also ran both the J-bar and short bar. I have the j-bar on know but I think for this weekend I'm going to run the short bar that runs to the outside of the frame and the 3rd hole down on the pinion mount.

I here alot of people saying the same thing about a 3-link. They can't beat a 4 bar off the corner. I have already called and talked to DW about switching mine over to a 4 bar z-link and it will cost around 700 to 800. Does anybody know where I can get it down cheaper? I going to run a couple of more races then put it up for the summer if anybody fines something that works please post.

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CUSTOMPERFORMANCE
Dirt Forum Champ
Total posts: 1172
posted August 26, 2004 12:06 AM  
Change to a spring pullbar with a rate about 700lb at about 15-20 deg angle. Right spring on top of housing and lr ahead of axle on a slider, lr bar about 10-15 deg angle but able to go to 20-25 and the r at 5-10 deg angle uphill on both. Rear % as close to 60 % as possible and use the j bar or shorty bar. 225 lr spring and a 175 rr. What wheel offsets you running now? I can help with suggestions there also.

CUSTOMPERFORMANCE
Dirt Forum Champ
Total posts: 1172
posted August 26, 2004 12:08 AM  
If you are within a reasonable driving distance of Iowa email me about the 4 bar z conversion. My guy did some testing last week and actually likes the rr as a 2 link with the 4 bar left. Richard

12modracer
Dirt Full Roller

Total posts: 68
posted August 27, 2004 05:06 AM  
Thanks for the reply's. I moved my LR bar up to 15 deg. And RR up to 8 deg. I usually run around 60% rear. And 130 pounds LR. Springs are 650 LF 750 RF 225 LR 175 RR. Use a BSB spring loaded pullbar w/ 1050 pound spring. I am going to try this tonight and i will try a shorty bar instead of a j-bar next week. Bothe rear springs are on sliders in front of housing. Wheel offsets are 3" LF 2"RF 3"LR 3"RR. Thanks for the input.

2nd2none
Dirt Forum Champ
Total posts: 755
posted August 27, 2004 06:01 AM  
12modracer, moving that RR spring behind will help also.

mod70
unregistered Total posts: 755
posted August 27, 2004 12:20 PM           send a private message to 2nd2none   Edit/Delete Message   Reply w/QuoteBBBBBB
I agree with 2nd, move the RR spring behind.

12modracer
Dirt Full Roller

Total posts: 68
posted August 30, 2004 05:33 AM  
Moved my LR trailing arm to 15 deg and the RR up to 7 Deg. Put RR spring behind rearend, left the j-bar on and the car was terrible still did not have any bite from the middle of corner out. Anymore suggestions? Thanks.

CUSTOMPERFORMANCE
Dirt Forum Champ
Total posts: 1172
posted August 30, 2004 06:54 AM  
Pullbar spring rate is way to stiff for a 3 link, reason for lack of forward bite. Change it to around a 700lb spring and the forwqard bite will be much better.

dluna
Dirt Freak

Total posts: 334
posted August 30, 2004 07:22 AM  
Custom - What do you think about the 600-1200 lb progressive spring for a 3 link?

CUSTOMPERFORMANCE
Dirt Forum Champ
Total posts: 1172
posted August 30, 2004 07:43 AM  
I have not run a progressive 600-1200 pullbar yet so i cant say how that would work.

doghouse racing4
Dirt Forum Racer

Total posts: 91
posted August 30, 2004 09:34 AM  
Custom, can you read my post, subject...... 3 link help. I run a progressive spring, with my problems I am having do you think I should change my pull bar spring????????????

CUSTOMPERFORMANCE
Dirt Forum Champ
Total posts: 1172
posted August 30, 2004 09:42 AM  
dog since all else looks good and your changes improved but you need a bit more forward bite then put in a straight 700lb spring in the pullbar and try that, also if you have wide brackets on the frame and rearend try moving it to the left a 1/2-1" also.

doghouse racing4
Dirt Forum Racer

Total posts: 91
posted August 30, 2004 10:05 AM  
which one, the frame or the rear end, to the left????

dirtywrench13
Dirt Freak

Total posts: 324
posted August 30, 2004 11:57 AM  
MOVE THE AXLE I THINK. HE'S TRYIN TO PUT YOU CLOSER TO THE CENTER NUMERICALLY.

CUSTOMPERFORMANCE
Dirt Forum Champ
Total posts: 1172
posted August 30, 2004 12:20 PM  
Move whole pullbar fornt and rear to the left.

doghouse racing4
Dirt Forum Racer

Total posts: 91
posted August 30, 2004 12:52 PM  
Ok, I didn't understand your were taking about the pull bar. My bad...I have tried this, I can move it right or left (the hole bar) 5". This is the total width of my brackets. I have ran it from center to 3/4" to the left. This tightens me even more in the middle the farther I run it to the left..like it should. The last race I ran it 1/4" to the left from center.

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