Car not 60'ing like it used to... Help!
05-18-2011, 07:01 PM
#22
Now when you say 4 corner scale what are you looking for when on the scales and what is it you are trying to do??? Ask because i just picked up anice set and was looking to scale andsetup my car...
And also when seting up that drag bar the online infoon how to set it up is spot on the ends should be 7inches long end to end then installed then preloaded we just did chrs1313's car the other night
And also when seting up that drag bar the online infoon how to set it up is spot on the ends should be 7inches long end to end then installed then preloaded we just did chrs1313's car the other night
After it's scaled - now when u make your at track adjustments you go evenly rt to lt from that point on, ex 2 turns on EACH side evenly if you want to say raise your front ride height to transfer more weight to the rear for ex.
Sounds like u have the bar installed good. Spohn ships them with the endlinks set and u preload from there with driver in car and even then you may well need to make at track adjustments to it so bring some tools.
I had 2 preload settings, 1 for Etown and another for Atco. Car would want to go to the right HARD at Atco (on the rear tires of course) but at Etown I would take out 3-4 rotations on the passenger endlink to get it to go straight.
Shock settings would change from track to track also. Fronts would like anywhere from 2-8 depending on track conditions at Etown but at Atco I'd have crank them up to 12 and have the limiters with 2" travel to keep the front end in check.
Back to Alex-hardest thing is making proper adjustments when things are inconsistent.
I think best thing you could do it get a torque arm that's not gonna bend and scale that car.
Also seat time, ESPECIALLY with an M6-u know that better than anyone.
I'd like to see another full length TA in your car. I'll go with you to the track next time and we'll get it set it up together.
05-18-2011, 07:18 PM
#23
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I don't pretend to know how to scale a car. I think on our cars it's more of shock height and using that to distribute the weight evenly rt to lt. Most of us adjust the shocks for example say 10 turns from the bottom on each side but the 10 turns may not distribute the weight with driver evenly rt to lt so you use the scales to verify. Maybe one shock needs 10 turns, the other 14 or so, for ex.
After it's scaled - now when u make your at track adjustments you go evenly rt to lt from that point on, ex 2 turns on EACH side evenly if you want to say raise your front ride height to transfer more weight to the rear for ex.
Sounds like u have the bar installed good. Spohn ships them with the endlinks set and u preload from there with driver in car and even then you may well need to make at track adjustments to it so bring some tools.
I had 2 preload settings, 1 for Etown and another for Atco. Car would want to go to the right HARD at Atco (on the rear tires of course) but at Etown I would take out 3-4 rotations on the passenger endlink to get it to go straight.
Shock settings would change from track to track also. Fronts would like anywhere from 2-8 depending on track conditions at Etown but at Atco I'd have crank them up to 12 and have the limiters with 2" travel to keep the front end in check.
Back to Alex-hardest thing is making proper adjustments when things are inconsistent.
I think best thing you could do it get a torque arm that's not gonna bend and scale that car.
Also seat time, ESPECIALLY with an M6-u know that better than anyone.
I'd like to see another full length TA in your car. I'll go with you to the track next time and we'll get it set it up together.
After it's scaled - now when u make your at track adjustments you go evenly rt to lt from that point on, ex 2 turns on EACH side evenly if you want to say raise your front ride height to transfer more weight to the rear for ex.
Sounds like u have the bar installed good. Spohn ships them with the endlinks set and u preload from there with driver in car and even then you may well need to make at track adjustments to it so bring some tools.
I had 2 preload settings, 1 for Etown and another for Atco. Car would want to go to the right HARD at Atco (on the rear tires of course) but at Etown I would take out 3-4 rotations on the passenger endlink to get it to go straight.
Shock settings would change from track to track also. Fronts would like anywhere from 2-8 depending on track conditions at Etown but at Atco I'd have crank them up to 12 and have the limiters with 2" travel to keep the front end in check.
Back to Alex-hardest thing is making proper adjustments when things are inconsistent.
I think best thing you could do it get a torque arm that's not gonna bend and scale that car.
Also seat time, ESPECIALLY with an M6-u know that better than anyone.
I'd like to see another full length TA in your car. I'll go with you to the track next time and we'll get it set it up together.
05-18-2011, 07:31 PM
#24
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Sounds good Mark, Ill have to take you up on that offer.
I will more than likely get the Midwest torque arm and LCA's then have the car scaled at Carrols. Might be a few months, need to save up. Trying to get it squared away for the fall/good air.
I will more than likely get the Midwest torque arm and LCA's then have the car scaled at Carrols. Might be a few months, need to save up. Trying to get it squared away for the fall/good air.
05-18-2011, 08:23 PM
#25
I have matched my best mph last year in -900 da this year in 3200ft
should be an interesting fall for the both of us...
05-19-2011, 01:17 AM
#28
Mmmm atco rental.
I asked strange this week about shocks, I just got some dual adjustable. But ya there not all the same, One of mine has like 12 clicks. The other starts between 2 spots, and has about 11 spots? but thats "normal" and form the way they get machined. When scaling the car, your not gona change the shocks, in fact I know some places put them at full loose while changing some other things. The springs will change the numbers, Even the same new spring pair can get diffrent. And you can move them around, but shocks dont change the corner weight
I asked strange this week about shocks, I just got some dual adjustable. But ya there not all the same, One of mine has like 12 clicks. The other starts between 2 spots, and has about 11 spots? but thats "normal" and form the way they get machined. When scaling the car, your not gona change the shocks, in fact I know some places put them at full loose while changing some other things. The springs will change the numbers, Even the same new spring pair can get diffrent. And you can move them around, but shocks dont change the corner weight
05-19-2011, 06:42 AM
#29
All mods etc being equal of course.
05-19-2011, 08:24 AM
#30
you are right that the et was not quite as good it was a 10.20 at 130.8mph but it was due to my weak 1.36 60ft...track prep was crap and I litterly had to leave off idle only way it would hook without overpowering the track...my 60ft last year was 1.29 running a 10.08 at 130.8mph
so with a better 60ft or at least the same as last year it would have ran very very close to the 10.08 if not a hair better due to having around 15 more rwtq across the board...this was on a 84* day with +3200ft da...
hoping it will go around 134-135mph in the -700ft to -1000ft...maybe even tweak off a 9.8x but I will be happy with a 9.9x
Last edited by chrs1313; 05-19-2011 at 09:18 AM.
05-19-2011, 05:11 PM
#32
With stock style springs in the rear, scaling can only be accomplished through the fronts. It's better then nothing...
05-19-2011, 06:36 PM
#33
With adjustable coil springs in each corner of your car, you will be able to lower or raise them accordingly and move the weight of the vehicle from side to side and front to rear. Corner to corner. Basically balancing the weight of the vehicle to each wheel to your desired setup.
With stock style springs in the rear, scaling can only be accomplished through the fronts. It's better then nothing...
With stock style springs in the rear, scaling can only be accomplished through the fronts. It's better then nothing...
05-19-2011, 09:24 PM
#34
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If one spring is compressed more by the lower shock cup, it will put more pressure on the ground and thus carry more weight of the car. This will make that corner sit higher than the other 3. When a corner is sitting higher, there is more potential energy stored in that spring as the weight is higher from its natural point of rest.
If all 4 corners put the same amount of pressure on the ground, they carry roughly the same weight, the car sits evenly.
I think...
05-19-2011, 11:06 PM
#35
The car will not actually sit crooked because the adjustments are just enough to make the wheel pup more pressure on the ground. The car will sit crooked if one wheel is putting more pressure on the ground than others. Newton's laws; for every reaction there is an equal and opposite reaction.
If one spring is compressed more by the lower shock cup, it will put more pressure on the ground and thus carry more weight of the car. This will make that corner sit higher than the other 3. When a corner is sitting higher, there is more potential energy stored in that spring as the weight is higher from its natural point of rest.
If all 4 corners put the same amount of pressure on the ground, they carry roughly the same weight, the car sits evenly.
I think...
If one spring is compressed more by the lower shock cup, it will put more pressure on the ground and thus carry more weight of the car. This will make that corner sit higher than the other 3. When a corner is sitting higher, there is more potential energy stored in that spring as the weight is higher from its natural point of rest.
If all 4 corners put the same amount of pressure on the ground, they carry roughly the same weight, the car sits evenly.
I think...
pulling out newton... bahaha
Last edited by chrs1313; 05-19-2011 at 11:12 PM.
05-20-2011, 09:20 AM
#36
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If there is more weight on that corner because of a loading situation ie, more mass on that corner, the spring will be under more compression and the corner will sit lower.
However, if you raise the lower spring cup and compress the spring not through weight carried, but through mechanical action, that corner will sit higher and press harder down on the ground. That is what I said.
Your example the mass of the vehicle causes compression and lower height, which is true. My example is the opposite of where mechanical forces cause the car to sit higher and exert more pressure on that corner.
05-20-2011, 02:57 PM
#37
05-20-2011, 02:58 PM
#38
this is a chicken or egg first type thing.
If there is more weight on that corner because of a loading situation ie, more mass on that corner, the spring will be under more compression and the corner will sit lower.
However, if you raise the lower spring cup and compress the spring not through weight carried, but through mechanical action, that corner will sit higher and press harder down on the ground. That is what I said.
Your example the mass of the vehicle causes compression and lower height, which is true. My example is the opposite of where mechanical forces cause the car to sit higher and exert more pressure on that corner.
If there is more weight on that corner because of a loading situation ie, more mass on that corner, the spring will be under more compression and the corner will sit lower.
However, if you raise the lower spring cup and compress the spring not through weight carried, but through mechanical action, that corner will sit higher and press harder down on the ground. That is what I said.
Your example the mass of the vehicle causes compression and lower height, which is true. My example is the opposite of where mechanical forces cause the car to sit higher and exert more pressure on that corner.
05-20-2011, 03:08 PM
#39
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excuse me if this is a repost but im not reading the whole thread
first off your spohn ta is a pos, no offense, get the wolfe sway bar
put the qa1 coilovers on the front
get the car scaled and have the wolfe sway preloaded and the front coilovers adjusted properly
that should get you back into the 1.40s
-brandon
first off your spohn ta is a pos, no offense, get the wolfe sway bar
put the qa1 coilovers on the front
get the car scaled and have the wolfe sway preloaded and the front coilovers adjusted properly
that should get you back into the 1.40s
-brandon