Went to the track did testing Exhaust/open headers - Page 2 - Chevy Nova Forum
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Old 13th-June-2017, 09:45 AM   #16
wht73
 
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I'd take a 61lb reduction in a heart beat if I was going to change them anyway!
Problem is he already has the springs.
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Old 14th-June-2017, 01:05 PM   #17
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I am not expecting to gain anything from what i read going from slapper bars to caltracs.

But my brother needs traction bars for his car and i found the Caltracs crazy cheap so i bought them so he can have the slapper bars. will be nice to get rid of the bounce on the street with the worn out leaf springs......then the QA1 shocks wont have to work as hard
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Old 14th-June-2017, 01:26 PM   #18
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I am not expecting to gain anything from what i read going from slapper bars to caltracs.

But my brother needs traction bars for his car and i found the Caltracs crazy cheap so i bought them so he can have the slapper bars. will be nice to get rid of the bounce on the street with the worn out leaf springs......then the QA1 shocks wont have to work as hard
You think the bounce is bad?
Try leaving the Caltracs in the track setting with Aluminum bushings in the front with the split's and urethane body bushings!

It does help stiffen the car up tho.
just paranoid about changing the setup on the Caltracts.
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Old 16th-June-2017, 09:40 AM   #19
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I got it all installed last night.......man the arch on the new springs is different but there is no sag......we will see how it looks when i put it on the ground
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Old 16th-June-2017, 07:25 PM   #20
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You think the bounce is bad?
Try leaving the Caltracs in the track setting with Aluminum bushings in the front with the split's and urethane body bushings!

It does help stiffen the car up tho.
just paranoid about changing the setup on the Caltracts.
I backed mine all the way off for the street even though I put a piece of hose in and pushed the pin thru to quieten them for the street. I'll adjust them here at the house and drive it to the track if I ever bother to get any drag radials for it(lol).
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Old 16th-June-2017, 08:13 PM   #21
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Cool man, congrats on the new PB! I've never tried opening the caps on my exhaust at the track, may have to try that one day. It certainly sounds a lot cooler though haha!
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Old 17th-June-2017, 10:10 PM   #22
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I got it all installed last night.......man the arch on the new springs is different but there is no sag......we will see how it looks when i put it on the ground
Hope your going to provide pictures!

John, your as bad as me! I didn't go to the track till 2yrs after I installed the 406.
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Old 18th-June-2017, 01:43 PM   #23
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You think the bounce is bad?
Try leaving the Caltracs in the track setting with Aluminum bushings in the front with the split's
I never change mine, it's not too horrible, but it rides like a Cadillac with the pre-load backed off!
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Old 19th-June-2017, 03:26 PM   #24
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Hope your going to provide pictures!

John, your as bad as me! I didn't go to the track till 2yrs after I installed the 406.

I will get some tonight. THANKFULLY it sits the EXACT same height as my worn out multi leafs did......so i guess they had 2" of Sag in them. I am really happy about that. i wanted the same if not higher.

Tonight is welding in the exhaust dumps so its easier to open at the track....and will be able to load and unload into the trailer without having to hook them back up if needed.
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Old 19th-June-2017, 09:16 PM   #25
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Place the dumps wisely, they have a tendency to hang up on the lip of trailers


Sent while texting and drag racing
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Old 20th-June-2017, 09:38 AM   #26
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Place the dumps wisely, they have a tendency to hang up on the lip of trailers


Sent while texting and drag racing

Ran in to bigger issue tonight......i run my shocks in OEM location......i did the swap with my 17" wheels on..........decided last night i should just check the pro stars.......and yep shock bolt hits the wheel.........so here are the choices

1.) get a 3/8 spacer and run at the track
2.) drill a new shock bolt hole in the lower caltrac mount to raise up shock 3/4" to provide clearance
3.) ---most likely NOT happening but move shocks inboard
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Old 20th-June-2017, 09:58 AM   #27
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If you have long studs, I would go with the spacer.
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Old 20th-June-2017, 10:14 AM   #28
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1 or 2 works.

I'd actually go with 2 since it would accommodate both wheels and I wouldn't need to remember spacers. I also would have had a drill handy last night versus the spacers!

Relocating .75 is not likely to bind on compress unless your doing a little dukes of hazard driving.




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Old 20th-June-2017, 11:23 AM   #29
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For those that wanted pictures




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Old 21st-June-2017, 02:28 PM   #30
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I ordered the 3/8 Billet Spacers, i have 4" studs so there is still enough engagement through the race wheels.

So hopefully this solves the issue........
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