Drag Racing Tech
Sponsored by:
Sponsored by:

Qa1 settings adj.

Thread Tools
 
Search this Thread
 
Old Feb 25, 2007 | 11:40 PM
  #1  
dnkynrbk's Avatar
Thread Starter
9 Second Club
iTrader: (34)
 
Joined: Mar 2005
Posts: 2,248
Likes: 0
From: SPRINGFIELD MISSOURI
Default Qa1 settings adj.

hey wanted to know if someone has the same set up as mine. auto with 4000 stall with spray. Rseries fronts and back 275 springs
370 motor. running 15 tire m/t et drag. What setting are you putting your shocks on at the track just bought mine and would like to know where to start at on the track. Running a umi chasis mount torque arm
thanks guys
Reply
Old Feb 26, 2007 | 01:50 AM
  #2  
Kent1's Avatar
11 Second Club
 
Joined: May 2003
Posts: 631
Likes: 0
From: USA-WEST MONROE, LOUISIANA
Default

Fronts 0
DR 7 PR9

This is generally the settings I used. Each car is different and you will have to go by trial and error until you find the sweet spot your car likes. Don't despair if at first you don't hook, just keep on trying. Also the track conditions come into play and each track is different.

I used the settings above today at the track and my first three sixty foots were 1.53 to 1.55. After that, the sixtys went away. I could have change the settings trying to get a better sixty but I left it the same because I was just having a good time.
Reply
Old Feb 26, 2007 | 11:12 PM
  #3  
dnkynrbk's Avatar
Thread Starter
9 Second Club
iTrader: (34)
 
Joined: Mar 2005
Posts: 2,248
Likes: 0
From: SPRINGFIELD MISSOURI
Default

any other insight
Reply
Old Mar 1, 2007 | 08:08 AM
  #4  
mushroom281's Avatar
TECH Resident
iTrader: (40)
 
Joined: Jul 2004
Posts: 911
Likes: 0
From: marion nc 28752
Default

not to be jacking but is it better to have the rear shock stiffer on a higher hp car ?
Reply
Old Mar 1, 2007 | 08:18 AM
  #5  
JRracing's Avatar
10 Second Club
iTrader: (35)
 
Joined: Feb 2005
Posts: 4,174
Likes: 0
From: Indiana boy
Default

1 or 2 in the front and 6 LR and 7 to 8 on the RR. I play around in this area.
Reply
Old Mar 1, 2007 | 07:44 PM
  #6  
Got Me SOM's Avatar
10 Second Club
iTrader: (2)
 
Joined: Sep 2002
Posts: 6,368
Likes: 0
From: Orlando, Florida
Default

start with 2 in the fronts and 5 in the rears. when you go less than 2 the front gets a little bouncy, stiffen up the rears according to how well the track is biting.
Reply
Old Mar 2, 2007 | 05:59 PM
  #7  
dnkynrbk's Avatar
Thread Starter
9 Second Club
iTrader: (34)
 
Joined: Mar 2005
Posts: 2,248
Likes: 0
From: SPRINGFIELD MISSOURI
Default

any other feedback from anyone running a cast iron block
Reply
Old Mar 3, 2007 | 08:15 AM
  #8  
PREDATOR-Z's Avatar
TECH Senior Member
 
Joined: Mar 2004
Posts: 14,620
Likes: 17
From: BFE
Default

2 up front and the back is trial and error on that track and that day.
good to start at 6 LR and 7 RR and go from there. Also tire pressure plays a role.
Reply
LS1 Tech Stories

The Best V8 Stories One Small Block at Time

story-0

Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

 Verdad Gallardo
story-1

6 Common C5 Corvette Failures and What's Involved In Repairing Them

 Pouria Savadkouei
story-2

Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

 Verdad Gallardo
story-3

Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

 Pouria Savadkouei
story-4

Top 10 Most Powerful Chevy Trucks Ever Made!

 
story-5

Hennessey's New Supercharged Silverado ZR2 Has 700 HP

 Verdad Gallardo
story-6

Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

 Verdad Gallardo
story-7

Awesome K5 Blazer Restomod Comes With C7 Corvette Power

 Verdad Gallardo
story-8

10 Camaros You Should Never Buy

 
story-9

10 LS Engine Myths That Refuse to Die

 Verdad Gallardo
Old Mar 3, 2007 | 10:24 AM
  #9  
spanktu's Avatar
TECH Regular
iTrader: (19)
 
Joined: Nov 2002
Posts: 413
Likes: 0
From: HAMPTON VA.
Default

Originally Posted by Kent1
Fronts 0
DR 7 PR9
ditto for me to on the fronts
did not have rears just a set of comp 50/50s

1.51 on BFG Drag radials H/C car DD. and a TCI 3500 stall
Reply
Old Mar 3, 2007 | 11:29 PM
  #10  
dnkynrbk's Avatar
Thread Starter
9 Second Club
iTrader: (34)
 
Joined: Mar 2005
Posts: 2,248
Likes: 0
From: SPRINGFIELD MISSOURI
Default

as far as tire running m/t drag with 14 psi 15 inch tire
Reply
Old Mar 28, 2007 | 11:23 PM
  #11  
dnkynrbk's Avatar
Thread Starter
9 Second Club
iTrader: (34)
 
Joined: Mar 2005
Posts: 2,248
Likes: 0
From: SPRINGFIELD MISSOURI
Default

anyone else have any luck heading to the track next friday night
Reply
Old Mar 29, 2007 | 07:21 PM
  #12  
Kent1's Avatar
11 Second Club
 
Joined: May 2003
Posts: 631
Likes: 0
From: USA-WEST MONROE, LOUISIANA
Default

Originally Posted by dnkynrbk
as far as tire running m/t drag with 14 psi 15 inch tire
I normally run 14 PSI in the 9 inch hoosiers slick I run. However, sometimes I adjust from 14 to 17, but generally just leave at 14. The 14 seems to work the best for me at the track.
Reply
Old Mar 29, 2007 | 09:05 PM
  #13  
B18B1LS1's Avatar
TECH Fanatic
20 Year Member
iTrader: (12)
 
Joined: Nov 2001
Posts: 1,711
Likes: 6
From: Lawrenceville, Ga
Default

I always ran 1 in both fronts and either 10/10 in the rear or 9/10. Good for high 1.3's to low 1.4's depending on the track.
Reply
Old Mar 12, 2008 | 10:59 PM
  #14  
dnkynrbk's Avatar
Thread Starter
9 Second Club
iTrader: (34)
 
Joined: Mar 2005
Posts: 2,248
Likes: 0
From: SPRINGFIELD MISSOURI
Default

anyone else. 370 iron block here just getting some ideas.
Reply
Old Mar 13, 2008 | 10:11 AM
  #15  
Pro Stock John's Avatar
LS1Tech Co-Founder
20 Year Member
Community Influencer
iTrader: (34)
 
Joined: Nov 2001
Posts: 45,334
Likes: 1,768
From: Chicago, IL
Default

Hmmm...

Tire size?
Raceweight?
QA1 R shocks or the other ones?

I'd say 2 in front, and 6 in back. If the car spins I'd go 1 in front. If the hooks well i'd try to get 7 in back later.

With a 150 shot, h/c, 3300 raceweight of the brake, 1 in front and car has CE shocks in back on the 50/50 setting so like 6, 28x10.5S at 12 psi, went 1.38 on a cold track. Car went 1.48 on motor. I can see a 1.3 if the track is working and your car is not like 3700 lbs.
Reply
Old Mar 13, 2008 | 06:33 PM
  #16  
dnkynrbk's Avatar
Thread Starter
9 Second Club
iTrader: (34)
 
Joined: Mar 2005
Posts: 2,248
Likes: 0
From: SPRINGFIELD MISSOURI
Default

R series shocks 28 10.50 x15 around 3500 275lb springs
Reply
Old Mar 15, 2008 | 01:49 PM
  #17  
usd2sing's Avatar
10 Second Club
iTrader: (15)
 
Joined: Feb 2005
Posts: 611
Likes: 0
From: fort worth, tx
Default

clarification pls.

are these settings clicks from all the way out, loose (counter clockwise) as a start point or the other way, backing them out..

just thought it would be helpful.
peace.
Reply
Old Mar 15, 2008 | 02:37 PM
  #18  
Pro Stock John's Avatar
LS1Tech Co-Founder
20 Year Member
Community Influencer
iTrader: (34)
 
Joined: Nov 2001
Posts: 45,334
Likes: 1,768
From: Chicago, IL
Default

Righty tighty, makes them stiffer.

You know you have them loose you can move the front end up and down with your arms.

@ 3500, I'd say a 1.40-1.45 unless you make big power.

You need someone to watch what the car does off the line.
Reply




All times are GMT -5. The time now is 12:07 PM.

story-0
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

Slideshow: This heavily modified 1971 Camaro mixes classic muscle car styling with a fifth-generation Camaro interior and modern LS3 power.

By Verdad Gallardo | 2026-05-12 18:06:42


VIEW MORE
story-1
6 Common C5 Corvette Failures and What's Involved In Repairing Them

Slideshow: From wobbling harmonic balancers to failed EBCMs, these are the issues that define long-term C5 ownership and what repairs typically involve.

By Pouria Savadkouei | 2026-05-07 18:44:57


VIEW MORE
story-2
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.

By Verdad Gallardo | 2026-04-21 13:57:02


VIEW MORE
story-3
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...

By Pouria Savadkouei | 2026-04-16 10:05:15


VIEW MORE
story-4
Top 10 Most Powerful Chevy Trucks Ever Made!

Slideshow: Top ten most powerful Chevy trucks ever made

By | 2026-03-25 09:22:26


VIEW MORE
story-5
Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.

By Verdad Gallardo | 2026-03-24 18:57:52


VIEW MORE
story-6
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.

By Verdad Gallardo | 2026-03-23 18:53:41


VIEW MORE
story-7
Awesome K5 Blazer Restomod Comes With C7 Corvette Power

Slideshow: A heavily reworked 1972 K5 Blazer swaps its off-road roots for a low-slung street-focused build with modern V8 power.

By Verdad Gallardo | 2026-03-09 18:08:45


VIEW MORE
story-8
10 Camaros You Should Never Buy

Slideshow: There are thousands of used Camaros on the market but we think you should avoid these 10

By | 2026-02-17 17:09:30


VIEW MORE
story-9
10 LS Engine Myths That Refuse to Die

Slideshows: Which one of these myths do you believe?

By Verdad Gallardo | 2026-01-28 18:10:11


VIEW MORE