[sr71bb]

Guys the pics below are the alignment specs that we did TODAY at a company called DOGHOUSE Performance whose shop has been known to set up some VERY FAST road course cars and in particular some VERY fast Camaros.

I also have included some pics of some STRAP POINT brackets (ZL1ADDONS) that we installed as well. Adam Pollard the owner is a road racer himself and has won national championships in the MIATA classes and his latest project is an LS3 based BMW road race car.

Anyhow, Adam emphasized to me that the biggest reason for tire wear is too much tow out and he also believes in running a setup that can be used BOTH on the street and the track.

Wanting MORE rear negative camber we installed SPL Toe Arms because the stock toe arm allows for no more than about -2.0 degrees camber. Now we have set the REAR up to -2.4 degrees camber and small amount of TOE IN.

On the FRONT, I WAS running about -2.2 to -2.4 degrees camber on my street settings and -3.6 degrees camber on my track settings (VORSHLAG camber plates). I am NOW going to try -3.1 degrees camber for BOTH street and track with a smaller amount of TOE IN as well .

The following I have found to be extremely beneficial in setting up this car for road racing:

ZL1 Brakes with DTC70 front pads and DTC60 Rear Pads with GOODRIDGE Stainless Steel Brake lines and Wilwood EXP 600 Plus brake Fluid
Pirelli Road Racing Slicks 305 660 18 on APEX EC-7 ET27 18 x 11 wheels at 30PSI cold (trying MICHELIN 30 65 18 slicks 25PSI cold on Sunday)
Vorshlag Camber Plates and rear SPL TOE Arms
SG3 Suspension with 1LE sway bars
For Rain setup: MS 4S 305 30 19 tires on APEX SM-10 ET25 19x10.5 wheels

Thats all I got for now. LOL

[Dabjbr]

Interesting. I’m thinking I’d go zero toe upfront on my next alignment.

Gotta say, I love the symmetry on the specs. It’s great when someone knows and loves the craft to get everything just right!

[kropscamaro16]

nice setup! i just got my car corner balanced/aligned saturday after my mcs 1 way coilover install a few weeks ago and camber plates and this is what we did

[sr71bb]

Originally Posted by kropscamaro16

nice setup! i just got my car corner balanced/aligned saturday after my mcs 1 way coilover install a few weeks ago and camber plates and this is what we did

So basically you MAXED out the front camber using the Camber Plates???

How did you get -2.5 camber on the REAR using the stock setup??? Mine without the SPL Toe arms would only go to -2.0 degrees.

OH never mind. I see that the -2.5 degrees camber was the front camber BEFORE the camber plates???

[kropscamaro16]

i have a full spl parts kit and mcs 1 way coilovers with camber plates and nope we barely even touched the camber plates haha



and nope 3.5 front and 2.5 rear

[sr71bb]

Originally Posted by kropscamaro16

i have a full spl parts kit and mcs 1 way coilovers with camber plates and nope we barely even touched the camber plates haha and nope 3.5 front and 2.5 rear

Well my car REALLY liked the increase in REAR camber from -2.0 to -2.4. At the track this weekend it seemed to be able to hold the driving line at a faster speed. The car rotated better from side to side.

[kropscamaro16]

yes sir i agree some people think anything over -2 in the rear is alot but i disagree

[HD_ZLE]

Looking good. Almost identical spec to my ZLE. It's interesting how you think more camber in the rear would be a bad thing with all the power; after a few track days and tires my rears have been wearing perfectly even

Hope to catch you at COTA again soon!

[sr71bb]

Originally Posted by HD_ZLE

Looking good. Almost identical spec to my ZLE. It's interesting how you think more camber in the rear would be a bad thing with all the power; after a few track days and tires my rears have been wearing perfectly even

Hope to catch you at COTA again soon!

I dont. I think MORE camber is a GOOD thing. My car handled better with -2.4 rear camber compared to -2.0 rear camber.

[Norm Peterson]

Originally Posted by sr71bb

I dont. I think MORE camber is a GOOD thing. My car handled better with -2.4 rear camber compared to -2.0 rear camber.

You're running on real road-race slicks, right?

All else the same, more grip = more roll = more camber change.


Norm

[sr71bb]

Originally Posted by Norm Peterson

You're running on real road-race slicks, right?

All else the same, more grip = more roll = more camber change.


Norm

YEP. I will say however that after running the MICHELIN S8M 30 68 18 slicks that I prefer those over what I WAS running a Pirelli 305 660 18 slick. The Michelins are roughly .7 an inch TALLER. I was getting a little higher top speed with those MICHELINS. The section width on the MICHELINS is a little wider so initially I was concerned about clearance on the front in regards to the STRUT. I am running a 5MM spacer on the front even with the Pirellis so although I am running CLOSER to the strut with the MICHELINS, BUT there is adequate clearance there. WITHOUT poking the wheels outside the fender wheels, this is as wide as you are going to get on an SS . You ZL1 boys have a little more room.

On a side note, there were a pair on SHELBY mustangs at the track on Sunday, a 2017 and a 2019. They were running in the RED group (expert class) The 2019 was running 2.16's and the 2017 (His GF I believe was running 2.19's). That kind of demonstrates in my mind that in general the mustangs just arent as quick around a road course as the chevy boys.

[Dabjbr]

Originally Posted by sr71bb

YEP. I will say however that after running the MICHELIN S8M 30 68 18 slicks that I prefer those over what I WAS running a Pirelli 305 660 18 slick. The Michelins are roughly .7 an inch TALLER. I was getting a little higher top speed with those MICHELINS. The section width on the MICHELINS is a little wider so initially I was concerned about clearance on the front in regards to the STRUT. I am running a 5MM spacer on the front even with the Pirellis so although I am running CLOSER to the strut with the MICHELINS, there is adequate clearance there. WITHOUT poking the wheels outside the fender wheels, this is as wide as you are going to get on an SS . You ZL1 boys have a little more room.

On a side note, there were a pair on SHELBY mustangs at the track on Sunday, a 2017 and a 2019. They were running in the RED group (expert class) The 2019 was running 2.16's and the 2017 (His GF I believe was running 2.19's). That kind of demonstrates in my mind that in general the mustangs just arent as quick around a road course as the chevy boys.

So .7 taller equates to .35 closer to the strut. Glad it fits.

I assume you are basing speed off gps and not speedometer? Right?

I imagine the shorter pirellis provided better wheel torque and faster acceleration at the cost of lowered speed in each gear when compared to the Michelin’s. The Michelin’s benefit would be potentially less need to grab the next gear. Does that sound about right? All in though, sounds like you still like Michelin’s over pirellis.

Btw, unsure if I missed it but what are your times compared to the mustangs?

[sr71bb]

Originally Posted by Dabjbr

So .7 taller equates to .35 closer to the strut. Glad it fits.

I assume you are basing speed off gps and not speedometer? Right?

I imagine the shorter pirellis provided better wheel torque and faster acceleration at the cost of lowered speed in each gear when compared to the Michelin’s. The Michelin’s benefit would be potentially less need to grab the next gear. Does that sound about right? All in though, sounds like you still like Michelin’s over pirellis.

Btw, unsure if I missed it but what are your times compared to the mustangs?

I ran a 2.08 on ECR on Sunday. We were running in the CLOCKWISE direction which is 2-4 seconds SLOWER than the more traditional COUNTER CLOCKWISE direction. YES I was comparing GPS speeds.

https://racehero.io/events/txr-scca-...743488?ref=app

I run a A10 tranny and in track mode I was hitting the limiter at 6500 in some of the corners when I was running the pirelli slicks. That wasnt happening with the MICHELINS. THAT to me was the main benefit along with the fact I am putting more RUBBER on the ground with the Michelins as they run WIDER than the Pirellis. (actual width is 306MM)

[tomster]

Very close to what i run on my CTSV