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Old Apr 9, 2016 | 10:21 PM
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Default Shocks for Drag racing and setup advice

I KNOW I need shocks.
What shocks are working for mainly street, rarely strip action?



I'm running MT 305/35/18s DRs. They don't hookup, even in 3rd with a decent burnout. I've ran them down to 18#s, but leery about going lower until I hear from others that have. I know its because I have no weight transfer, so that's why I'm asking about shocks. Bilsteins all the way around. Great for corners, but off the line, terrible. Car stays flat.
Another problem is, I'm also a 6sp and I am aware it will be hard to get the DRs to stay hooked up, especially at the launch and gear change. I don't dump the clutch. I roll quickly into it. Yes, I also am aware that I may have to go to bias ply slicks because they work better with a manual, but I really like the DRs for the daily driving stability.
I would really like to use the N2O, but as is, no way.
Also, sway bar(s) disconnect?

Coupe, all forged ls6, Ported heads, 85MM TB, .650 TSP cam. dual disk McLeod clutch, M12 trans, 4.10s
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Old Apr 11, 2016 | 09:36 PM
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Sure there are guys with Penske double adjustables running 7's on street legal Vette's and CTS-V's but it doesn't sound like you need that. Just look for rebound and compression adjustment at a minimum.
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Old Apr 12, 2016 | 12:34 AM
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I was wondering if there was a 90-10 shock out there for the fronts. There has got to be a reasonable priced shock to use front and rear.
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Old Apr 12, 2016 | 10:46 AM
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On my 01Z, I used the Lakewood 90/10 shocks on the front. I drove that car a lot on the street and track. No front sway bar. I'm not an aggressive corner burner, but I didn't notice any issues with handling. I had stock shocks on the rear of that car.

Currently, I have single adjustable QA-1 shocks on all for corners with stock springs. This car is not a street car, track only.

I know it's hard to convince people of this, but the stock suspension is very good for most applications, and has been mid 1.3 to the 60' mark by an experienced driver. If you're not getting the launch you'd like, it's more likely the driver, than the car.

And, 18psi is about the lowest I'd go with a drag radial tire. Especially one with very little sidewall.

You know the bias ply tire will help you out... Make that switch and get back to us.
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Old Jun 4, 2016 | 07:37 PM
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I'm running a 335-35-17 Hoosier drag radial the tires are amazing and the car does 1.5-1.6 60ft on stock suspension.
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Old Jun 6, 2016 | 12:39 AM
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on the street i'm using some nitto 555r's 22 psi 456rwhp 401rwtq n/a + 125 shot and 40mph they hook pretty good on my zo6 stock suspension, it transfers pretty decent at the track with my dias ply's consistent 1.50-1.56 60ft's

are you at 18psi hot or cold? maybe it is the Bilsteins? if you have your stock shocks i'd put the fronts back on and see how it gos or maybe pick up some stock zo6 front shocks?





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Old Jun 7, 2016 | 08:24 PM
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I use qa1 single adjustable shocks out back and lakewood 90/10 on front. Thinking about selling the qa1 rears
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Old Jun 7, 2016 | 08:42 PM
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How do you like the Lakewood fronts?

Been thinking about keeping the stock rear end and 90/10 fronts
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Old Jun 7, 2016 | 11:37 PM
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Originally Posted by StuntHeavy
How do you like the Lakewood fronts?

Been thinking about keeping the stock rear end and 90/10 fronts
I kinda liked them for the track. Not street though.

I ran it like that for awhile then finally went to the qa1 rears and likes them alot at the track. Stiffen em up for the street is nice to .
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Old Jun 9, 2016 | 11:26 PM
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I had unknown mileage on my stock Z rear shocks and 90/10 Lakewood on the front.

As I mentioned, it drove great on the street

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Old Jun 10, 2016 | 08:26 AM
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Originally Posted by Capthuff
I had unknown mileage on my stock Z rear shocks and 90/10 Lakewood on the front.

As I mentioned, it drove great on the street

What sort of 60' were you able to achieve? What size tires/wheels are in the rear?

Looks great!
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Old Jun 17, 2016 | 06:15 AM
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Maybe not as popular as some of the bigger name brands, but you might look into a set of Viking coilovers. They're double adjustable, made in USA (ex-employees of QA) and quite reasonable. I've read good reviews on them here on CF too. The reviews looked good enough for me to buy a set and we'll be installing them next week. From what I've read, you can use them for super soft street to hard core drag racing. Just twist that dial... Can save a little weight as well since you can remove the leaf springs. True independent suspension.
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Old Jun 17, 2016 | 06:18 AM
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Just remembered one more thing. Viking also offers double adjustable shocks as well and if I remember correctly, they're about ½ the price of the coilovers.
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Old Jun 17, 2016 | 08:17 PM
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Originally Posted by strimredvette
I'm running a 335-35-17 Hoosier drag radial the tires are amazing and the car does 1.5-1.6 60ft on stock suspension.
Same here but 1.35-1.36 60' time. 17 PSI cold. 19-20 PSI after a burnout. Was looking to do a drag race coilover setup but why????

1.36 60' rolling it off the line and nailing the throttle about a half car length or so out.
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Old Jun 22, 2016 | 11:53 PM
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How much power are you producing? I find it odd you can't hook 3rd.

First check the date code of the tires...if more than two years old replace. As others have mentioned a set of coil overs and a larger sway bar for the rear will help. Have an alignment done and focus on straight line traction, zero camber and minimal toe.

If all that doesn't help, replace 4.10 gears. Those gears combined with the MN12 trans produce very low gear ratios.





Originally Posted by Coc5
I KNOW I need shocks.
What shocks are working for mainly street, rarely strip action?



I'm running MT 305/35/18s DRs. They don't hookup, even in 3rd with a decent burnout. I've ran them down to 18#s, but leery about going lower until I hear from others that have. I know its because I have no weight transfer, so that's why I'm asking about shocks. Bilsteins all the way around. Great for corners, but off the line, terrible. Car stays flat.
Another problem is, I'm also a 6sp and I am aware it will be hard to get the DRs to stay hooked up, especially at the launch and gear change. I don't dump the clutch. I roll quickly into it. Yes, I also am aware that I may have to go to bias ply slicks because they work better with a manual, but I really like the DRs for the daily driving stability.
I would really like to use the N2O, but as is, no way.
Also, sway bar(s) disconnect?

Coupe, all forged ls6, Ported heads, 85MM TB, .650 TSP cam. dual disk McLeod clutch, M12 trans, 4.10s
Reply
Old Jun 27, 2016 | 09:53 AM
  #16  
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High 1.2s here running first gen pfadt coil overs.
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Old Jun 29, 2016 | 07:09 AM
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It is really hard to beat Viking shocks. High quality with good price. Will be going to them this fall myself.
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Old Jul 6, 2016 | 11:42 AM
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Anybody used the QA1 coils for drag? I know they don't offer independent preload and ride height adjustment but how do they perform aside from that?
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