Building a Subaru Race Car with Tony from Turn in Concepts
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- čas přidán 24. 06. 2024
- For episode 79 of the Flatirons Syndicate Motorsports Podcast, Scotty, Dussex, and Jon sit down with Tony from Turn in Concepts to talk about building a Subaru racecar.
Most of the time when you are driving on a day to day basis, you aren’t spending much time at wide-open throttle, getting into threshold or ABS braking, or stressing the cars cooling system up to or beyond its limit. Driving at the track and especially in competition stresses every system of a car significantly more than any type of driving that is done on the street. So it should not be a surprise that taking a car that was designed for the street and competing with it on track will require some work to keep it reliable and running properly.
When it comes to turning a Subaru into a racecar, there are some systems that don’t need much attention, but there are some that really need a mechanic or shop with experience to set them up properly. And the better that this is done, the more reliable the car will be, but Subaru’s tent to take a little more finesse in this department than some other cars.
Turn in Concepts is one of the premier shops in the US that is building and maintaining Subaru’s that compete, and we had the opportunity to chat with Tony Barber who co-founded Turn in Concepts about their process of building a Subaru into a racecar, where it makes sense, and where it might not, and how they support and develop their cars and drivers as well.
Thanks for watching and Stay Tuned! - Auta a dopravní prostředky
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Turn In is a top notch shop.
Thanks for watching. Stay Tuned!
But 1 thing people always missed in building subaru race car...
Especially on gd and gc chassis (still applicable to gr/va chassis)
Is front suspension geometry...
Suspension..not only means coilover,swaybars and rollcenter adjuster...
Key component in making subaru front end having more mechanical grip and turning much better are:
1-anti lift kit bushing (big-rear bushing of front lower control arm)
2-positive caster mod...
Gd and gc chassis have big lca pin that can be rotated 180degree for additional +ve caster
Then big lca bushing for cheap anti lift kit, just install forester sf5 unit into impreza (if lowered sf5, keep using sf5 unit dont swap into impreza type)
Expensive type will be whiteline anti-lift kit bushing with additional offset caster type of bushing...
These 2mods will gain about additional +1.5degree of caster compared to stock...
Then, the biggest increase will come rotated front camber plate..
There is 2 method of rotation..
1-flip L/R side and then rotate on 3 bolt axis for 50%camber-50% caster... This is good for basic beginner trackday setup...
But for all out time attack/competetive event front end grip...
2- machine the camber plate slots for another 35mm... Then dont flip L/R, just rotate the camber plate on 3bolt axis for it to be 100% caster plate...
With this, slide the pillowball all the way towards the firewall of the car along the newly machined extended slot...
This will give nett total of caster around positive 6-7degree...
Which in turn in subaru world, dynamic camber gains in corner while steering turned... Is massively good gain...
Definately super big front end grip increase...
Then handling balance afterward can be achieved by ither mean such as different swaybars setting and springs/damper combination...
With this new caster strut mount orientation, camber adjustment still can be done via aftermarket camber bolt at the wheel knuckle...
Also this eliminate running too much static camber which will creater uneven tyre temperature for doing many laps
Lots of good information here, and thanks for posting! You should take a look at what we are doing with our WRX project car here:
czcams.com/video/5hP0kbxB3yw/video.html
Thanks for watching and Stay Tuned!
We do this :)
Hey this guy sare my local shop they are absolutely awesome guys very knowledgeable and very helpful and corbin has been tuning my car for years without a hint of a issues. I'm typically at the dragstrip running 12.1s Friday at cars and coffee Saturday and autocrossing Sunday and never have issues.
Very cool! Thanks for watching and Stay Tuned!
From my perspective as a Subaru endurance racer this is your best podcast yet.
Very cool, and glad that you enjoyed the conversation. Stay Tuned!
Absolute, excellent content .
Thanks for your time guys.
Thanks very much. Stay Tuned!
+1 for not drinking w/ your friends between days! or at least...dont overdo it :)
For sure. Thanks for watching and Stay Tuned!
Really insightful! Got me really rethinking how far I would (or not) like to go and where my time and energy investment should be. Great show, thanks
Thanks very much. Glad you enjoyed the episode, and please be sure to share it if you can.
Thanks for watching and Stay Tuned!
Where can we see video on the cooling setup?
Is that a big map comparing different racetracks in the background of Tony's feed?
Im just going to say yes :-)
Thanks for watching and Stay Tuned!
You gotta step up your beard game Jon!
Ha! I'm trying ! I haven't shaved in 2 years. This is all I've got ;-)
Stay Tuned!
He kinda vaguely mentions he believes things like the corvettes or porches are the “easy” way to go fast (talking purely car stuff here and not seat time and skill). Does he have specific models he think are easy to deal with and get race ready?
Thanks for your question. I'd say the best way to get a sense for this would be to go to a local series or event, and just walk around the paddock. If you see multiple entries of the same platform, that is a pretty strong indicator.
As a start though, take a look at the Z06 Corvette's, and Porsche Cayman's. Both of those are well tested and proven chassis.
Thanks for watching and Stay Tuned!