Mini or Mini S for this Rule System
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1st Gear
Joined: Dec 2006
Posts: 28
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Mini or Mini S for this Rule System
Hi Everybody,
I'm thinking of ordering a new Mini or a new Mini S (my wife already has an '06 mini S). I've done a bunch of autocross in the past, not autoxing currently, but might do more in the future so I was thinking of ordering my car to make it a little bit better at autocross (for example no sunroof, maybe cloth seats, LSD(if an S), etc.)
If I autocross in the future, I'd do it with the local BMW club because they are a great bunch of people. Their rules (which are always subject to change each year) are such that Mini and Mini S are classed together (along with some bimmers) but Mini's can have up to 5 points in mods from the list below.
For example, you could have a base Mini + 5 points for streetable (TW>80) R compound tires. Anybody see 5 points of mods from the list below that would make a Mini faster than the Mini S at autocross? Preferably less expensive mods. I'm not the kind of guy to spend a lot of money on mods because I prefer to spend my money on modding the driver 
(more seat time/events, etc).
(more seat time/events, etc). Many thanks for your help.
ADD MODIFICATIONS POINTS AS FOLLOWS:
ENGINE POINTS
Tube exhaust headers 1
Lightened flywheel 3
Power chip/software 3
Changed camshaft (non-race) 3
Increased Boost Pressure 3
Turbocharger/Supercharger 10
Changed air flow sensor 5
DRIVELINE POINTS
Changed rear-end ratio 5% - 19% 4
20% - 29% 7
30% and up 10
5 speed close ratio transmission 2
Limited slip diff 0-40% (non-standard) 3
Limited slip diff 41+% (all cars) 5
Equation for changed rear-end ratio:
{(new diff - orig diff) / orig diff} x 100 = % of diff change. Example: If you
had an original diff of 3.00 and changed to a 4.00 {(4.00 - 3.00) divided by
3.00} x 100 = 33% diff change.
SUSPENSION POINTS
Race/Adjustable shocks 1 per pair
Stabilizer bar (non-stock) 2 each
Active Roll Stabilization (ARS) 4
Camber plates 2
Active/Quick ratio steering 2
Cut or special springs 4
Stress bar 1 each
Adjustable coil-overs 10
WHEELS AND TIRES POINTS -Only DOT tires allowed
Plus size conversions
Plus 1 1
Plus 2 2
Plus 3 3
Street Tires (Treadwear >140) 0
"R" Compound Tires (Treadwear 80 to 140) 5
“R” Compound Tires (Treadwear <80) 10
Hoosier Dirt Stockers
or other dedicated rain tires 7
ENGINE POINTS
Tube exhaust headers 1
Lightened flywheel 3
Power chip/software 3
Changed camshaft (non-race) 3
Increased Boost Pressure 3
Turbocharger/Supercharger 10
Changed air flow sensor 5
DRIVELINE POINTS
Changed rear-end ratio 5% - 19% 4
20% - 29% 7
30% and up 10
5 speed close ratio transmission 2
Limited slip diff 0-40% (non-standard) 3
Limited slip diff 41+% (all cars) 5
Equation for changed rear-end ratio:
{(new diff - orig diff) / orig diff} x 100 = % of diff change. Example: If you
had an original diff of 3.00 and changed to a 4.00 {(4.00 - 3.00) divided by
3.00} x 100 = 33% diff change.
SUSPENSION POINTS
Race/Adjustable shocks 1 per pair
Stabilizer bar (non-stock) 2 each
Active Roll Stabilization (ARS) 4
Camber plates 2
Active/Quick ratio steering 2
Cut or special springs 4
Stress bar 1 each
Adjustable coil-overs 10
WHEELS AND TIRES POINTS -Only DOT tires allowed
Plus size conversions
Plus 1 1
Plus 2 2
Plus 3 3
Street Tires (Treadwear >140) 0
"R" Compound Tires (Treadwear 80 to 140) 5
“R” Compound Tires (Treadwear <80) 10
Hoosier Dirt Stockers
or other dedicated rain tires 7
Thread Starter
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1st Gear
Joined: Dec 2006
Posts: 28
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RWD does rock and I've considered the Miata but I'm leaning towards a second Mini. I have a RWD car now (RX-8) which has seen many track days and autocrosses. I also have a RWD Jaguar E type but it isn't really going to be competitive at autocrosses.
I see you have an FD. That's one of my all time favorite cars.
I see you have an FD. That's one of my all time favorite cars.
4th Gear
Joined: Oct 2005
Posts: 576
Likes: 0
From: Bay Area CA
You have good taste! The FD is my favorite car of all time. :D
The RX8 is a nice chassis so is the MX5. So is the Mini for that matter. Its the only FWD car I've ever enjoyed since my 77, 79, 84 VWs.
That E Type is hands down my favorite classic car body. Its just plain sexy. Like the FD in some ways such as the way the body panels currrrve. Grrrr...
Good luck in your car choice.
The RX8 is a nice chassis so is the MX5. So is the Mini for that matter. Its the only FWD car I've ever enjoyed since my 77, 79, 84 VWs.
That E Type is hands down my favorite classic car body. Its just plain sexy. Like the FD in some ways such as the way the body panels currrrve. Grrrr...
Good luck in your car choice.
Thread Starter
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1st Gear
Joined: Dec 2006
Posts: 28
Likes: 0
You have good taste! The FD is my favorite car of all time. :D
The RX8 is a nice chassis so is the MX5. So is the Mini for that matter. Its the only FWD car I've ever enjoyed since my 77, 79, 84 VWs.
That E Type is hands down my favorite classic car body. Its just plain sexy. Like the FD in some ways such as the way the body panels currrrve. Grrrr...
Good luck in your car choice.
The RX8 is a nice chassis so is the MX5. So is the Mini for that matter. Its the only FWD car I've ever enjoyed since my 77, 79, 84 VWs.
That E Type is hands down my favorite classic car body. Its just plain sexy. Like the FD in some ways such as the way the body panels currrrve. Grrrr...
Good luck in your car choice.
, I may end up keeping it a bit longer now. I'd really like to buy an FD but I only have one garage spot and that is currently occupied by the Jag which I really can't part with as it has some sentimental value and has been in the family for over 20 years.
The car does attract a lot of attention, however, and I sometimes get pretty young women coming up to me to tell me how much they like the car.
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