Author
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Topic: Caltracs Question
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f100cleveland Gearhead Posts: 295 From: St. James, MN Registered: Sep 2004
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posted 09-26-2004 06:17 PM
Question for guys running Caltracs. I talked to Calvert Racing and they said I should clamp each spring on the rear half of the leaf to minimize body to chassis seperation. Does this sound right? Also, is it best to run the Force Transfer Link on the lower holes on both mounts? This is for a truck application. Thanks[This message has been edited by f100cleveland (edited 09-26-2004).]
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Ryan Wilke Gearhead Posts: 2060 From: Stanton, Michigan 49707 Registered: Oct 2000
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posted 09-27-2004 07:43 AM
Yes & Yes. Ryan
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f100cleveland Gearhead Posts: 295 From: St. James, MN Registered: Sep 2004
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posted 09-27-2004 09:24 AM
Thanks Ryan
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f100cleveland Gearhead Posts: 295 From: St. James, MN Registered: Sep 2004
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posted 09-27-2004 11:41 AM
Dumb question, but what is the advantage of keeping the rear half of the leaf springs clamped together? I know it keeps them from feathering out, but dont you just want the front to be rigid?
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Mike_R Gearhead Posts: 176 From: Indianapolis, IN 46237 Registered: Feb 2001
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posted 09-27-2004 01:16 PM
The rear of the car is going to try to lift with the caltrac bars. Clamping behind the rearend helps make those springs more rigid to help keep it from lifting as much.
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Moneymaker Administrator Posts: 25883 From: Lyons, IL, USA Registered: May 99
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posted 09-28-2004 05:47 PM
I would clamp both the front and rear.------------------ Alex Denysenko Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver MCA member# 53321 NHRA and IHRA SS/LA & SS/MA National Record Holder '00,'01,'02,'03,& '04 First SS/MA in the TENS! IHRA division 5 Superstock Champion Fleet of FoMoCo products including 88 ASC McLaren Mustang #28 The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked." Quote #2: "Make sure brain is in gear before engaging mouth!" Quote #3: "If you can't run with the big dogs, stay on the porch!" www.moneymakerracing.com
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f100cleveland Gearhead Posts: 295 From: St. James, MN Registered: Sep 2004
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posted 09-28-2004 06:15 PM
Moneymaker, what do you use for clamps? I got some Superior brand clamps and I think they pinch the springs too much and it doesn't allow the springs to slide. What do you use on your car? Thanks
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clevelandstyle Gearhead Posts: 1035 From: Connersville, IN Registered: Jul 2001
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posted 09-28-2004 06:37 PM
quote: Originally posted by f100cleveland: ...... I think they pinch the springs too much and it doesn't allow the springs to slide.
That's the point. The clamp is supposed to make the leafs ridgid. The sliding action is what causes body/axle separation. ------------------ Ben Grabber Green '70 Mach I 351C 4V Robbin Egg Blue '79 Fairmont 408C 4V, best time to date is 10.50 best MPH 127
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kid vishus Gearhead Posts: 6098 From: middle of NC Registered: Oct 2000
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posted 09-29-2004 08:13 AM
You don't want the springs to move at all, that's why you clamp them.I made my own clamps. Some flat steel cut into strips, and some short bolts to hold them together.
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f100cleveland Gearhead Posts: 295 From: St. James, MN Registered: Sep 2004
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posted 09-29-2004 08:48 PM
I took my bottom over-load spring off and cut up an old set of over-loads so it acted like a spacer to keep my ride height the same. It made the suspension a lot softer. I have one clamp on each side of the axle right now and have to make a couple more to totally secure everything. Seemed to help some, I guess it will slowly come with time.
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BLstangin Gearhead Posts: 779 From: St. James, MN Registered: Apr 2002
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posted 09-29-2004 10:20 PM
So, Dustin, do you still need me to make you some spacers, or are you good? Did you make any clamps out of that metal I gave you?------------------ 1970 coupe restored with the help of my dad. 306 with 600 holley, Weiand Stealth intake, headers, mme custom roller cam, harland sharp roller rockers, kb pistons, 10.3:1 compression ratio, pertonix ignitor 2 with matched coil, lakewood bellhousing, 4-speed toploader, and 2.79 open 8" rear. Soon to be 9" 3.50 trac-lok 1986 f-150, 5.0, factory towing package with original c-6 trans
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f100cleveland Gearhead Posts: 295 From: St. James, MN Registered: Sep 2004
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posted 09-29-2004 10:43 PM
Brandon, I should be good to go for now. Next step is to figure out the angle of my pinion and set it to 4-5 degrees negative. I didn't have a chance to make anymore clamps yet. Sounds like something to do after work/school.
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