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Old 04-26-2012, 10:46 AM   #1
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Default 1/8 GT Rules - the basics

There are multiple discussions that seem to be about rules for the 1/8 GT class. My interest here is simply putting together a SINGLE set of rules that almost everyone can agree on, perhaps based on the MidWestSeries rules.

Can anyone who is involved in this please do the following. First, in one short sentence, list rules that everyone seems to agree on for the GT class. Keep these rules together as a list.

Then, post a second list of rules for the GT class where people haven't yet agreed. Just one short sentence for each rule, which just explains what the issue is.


This has nothing to do with who is "in charge" of any of this - you all are.

When you respond, feel free to take whatever has gone before, and summarize it by making your additions or changes. When the dust settles, we'll have a list separating those things that racers agree on, from those that are not yet resolved.
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Old 04-26-2012, 10:46 AM   #2
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Here's a starting point, based on the MWS rules. Feel free to <copy> and <paste> to move things from one category to the other.

=================================================
GENERALLY ACCEPTED RULES FOR THE 1/8 GT CLASS
chassis: any 1/8 scale buggy based shaft driven car
diffs: standard gear diffs only
body: any commercially available GT style body
body: rear of body can't be completely cut out
wings and spoilers: allowed
tires: any commercially available rubber tires (no foam tires)
tire inserts: any insert is OK
tires: must fit completely under the car body (no add-on wheel flares)
stability: no electronic stability enhancers
engine: any .28 or smaller "spec" style engine.
engine: must be commercially available
engine: must be available from mail order shops for under $200 w/o tax
clutch: non-adjustable 2, 3, or 4 shoe clutch (no axial clutches)
pipe: any pipe



UNRESOLVED RULES FOR THE 1/8 GT CLASS
weight: minimum weight 3500 grams
fuel capacity: 150 cc
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Old 04-26-2012, 12:08 PM   #3
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Hello Mike !!, nice to see you interested on GT.

I've been involved in GT for about 3 1/2 years, won couple international races on the class and always promoting and pushing for this fun class to grow.

For me, basic rule list :

Chassis : Any 1/8 - 1/7 Shaft driven
Diffs : Standard gear diffs
Body : Commercial available GT style body (lola style european rally game chassis not allowed)
Front windshield/roof front cut maximum 70mm, rear windows can be completely cut, side front windows free.
Wings : Only built for the body, and attached to body, no buggy style wings.
Tyres : Any commercially available rubber tires, and completely under the body.
No electronic stability control allowed.
Engines : .21 - .28 under USD$ 280 - 7 ports and commercially available.
Clutch : Offroad style 2-3-4 shoes, no centax like allowed.
Pipe : Free
Tank : Maximum 150cc allowed.


Copa del Pacifico, is a southamerican - international onroad event, wich introduced GT at 2011 version with this same set of rules, and they were maintained on 2012 and now replicated for the "The race of the middle of the world" in QUITO City in ECUADOR for next August 16-19 ... so already tested and they work OK for everybody.

cya !
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Old 04-26-2012, 01:05 PM   #4
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Hi Mike, welcome back to the GT party!

Been involved in GT racing since 2007. My GT inspiration came from North American GT racing founder Bernie “Bubba Cola” Hoogkstra of Joliet Illinois and the Midwest Series. (Thanks guys!)

Have worked to help organize GT racing for:

2008 - Kyosho Nitrofest – Tampa, Fl
2008 – RSR GT Racing Series – Tampa, Fl
2008 - Kyosho Fuel Challenge – Kissimmee, Fl
2010 - Ipanema GT World Championships – Homestead, Fl
2010 - Ipanema US GT National Championships – Joliet, IL.
2011 - Ipanema GT World Championships – Mexico City, Mexico
2011 – Ipanema GT Pre-World Championships – Barceloneta, PR.
2012 - Ipanema GT World Championships – Barceloneta, PR
2013 - Stay tuned for more great GT Only racing action at the highest levels!

Our rules have been developed with the help from many other notable and honorable GT racers from around the world.

Anyone that has attended our GT racing events know that they are the biggest, baddest, most fair and fun of them all.

Some may like to say our rules are not perfect, but they have consistently allowed our GT only racing events to score the highest GT racer attendance levels each year.

Feel free to check out what we’ve done & do to help promote and grow GT racing around the world, thanks all the best!

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Old 04-26-2012, 01:13 PM   #5
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AMEN
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Old 04-26-2012, 02:54 PM   #6
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Jspeed, it would help if you followed the original request, or copied what Tabushi wrote. There are two existing threads on RCTech for discussions about the past, photos, and so on. It would be better if people just modified whatever has been posted earlier in this thread, by leaving everything in the first part as-is if you agree with it, and if you disagree, posting your revised rule suggestion, along with the rule suggestion you don't agree with, in a new response here.

For example, I included under "generally accepted rules":
Pipe: any pipe
If you think it would be better to say something like:
Pipe: only kit pipes

....then move the existing "rule" along with your proposed revised rule so both are listed under "unresolved rules".

I can do this for a day or so, but I'm hoping others will take over. All that's needed is <copy> and <paste> and sorting things out the way you feel is best a single class of GT racing for the initial rules.

The goal isn't really to come up with a finished list accepted by everyone. Rather, it's to find what the sticking points are, that people seem to be disagreeing on.
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Old 04-26-2012, 03:05 PM   #7
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Default Original list including suggestions from Tabushi

Here's the original list, including suggestions from Tabushi
Items in the "generally accepted" list so far are not questioned
Items in the "unresolved" list have multiple definitions - to be resolved


=================================================
GENERALLY ACCEPTED RULES FOR THE 1/8 GT CLASS
diffs: standard gear diffs only
body: any commercially available GT style body (not Lola style bodies)
body: rear of body can't be completely cut out
body: Front windshield/roof front cut maximum 70mm,
body: rear windows can be completely cut out
body: side front windows can be completely cut out.
tires: any commercially available rubber tires (no foam tires)
tires: must fit completely under the car body (no add-on wheel flares)
tire inserts: any insert is OK
stability: No electronic stability control allowed
engine: any .28 or smaller "spec" style engine.
engine: must be commercially available
clutch: Offroad style non-adjustable 2, 3, or 4 shoe clutch (no axial clutches)
pipe: any pipe
weight: minimum weight 3500 grams
fuel capacity: 150 cc



UNRESOLVED RULES FOR THE 1/8 GT CLASS
chassis: any 1/8 scale buggy based shaft driven car
chassis : Any 1/8 - 1/7 Shaft driven
wings : Only built for the body, and attached to body, no buggy style wings.
wings and spoilers: allowed
engine: must be available from mail order shops for under $200 w/o tax
engines : .21 - .28 under USD$ 280 - 7 ports and commercially available.
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Old 04-26-2012, 03:07 PM   #8
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P.S. - if you guys like this idea, just post the rules here - explanations, discussions, politics, etc., can go in the other two threads. The only goal here should be to figure out which rules are not yet defined to everyone's satisfaction. That discussion can be held in a week or two, once everyone has had a chance to add their rule suggestions to this list.
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Old 04-26-2012, 04:23 PM   #9
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Default IMO

=================================================
GENERALLY ACCEPTED RULES FOR THE 1/8 GT CLASS
diffs: standard gear diffs only
body: any commercially available GT style body (not Lola style bodies)
body: rear of body can't be completely cut out
body: Front windshield/roof front cut maximum 70mm,
body: rear windows can be completely cut out
body: side front windows can be completely cut out.
tires: any commercially available rubber tires (no foam tires)
tires: must fit completely under the car body (no add-on wheel flares)
tire inserts: any insert is OK
stability: No electronic stability control allowed
engine: any .28 or smaller "spec" style engine.
engine: must be commercially available
clutch: Offroad style non-adjustable 2, 3, or 4 shoe clutch (no axial clutches)
pipe: any pipe
weight: minimum weight 3500 grams
fuel capacity: 150 cc



UNRESOLVED RULES FOR THE 1/8 GT CLASS
chassis : Any 1/8 - 1/7 Shaft drivenThis allows kickup or flat, long or short wheel base chassis no belts
wings : allowed Only built for the body, and attached to body, no buggy style wings.
engine: any .21 - .28 must be available from mail order shops for under $240 w/o tax and shipping a compromise of pricing this would allow for manufacturers and distributers the possiblity of offering better replacement carb for the lower end engines for tunability
INS Box: this i think would be a step in the right direction to help keep the neighbors happy and help keep more tracks open with today's noise issues
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Old 04-26-2012, 04:46 PM   #10
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This is what we use in Puerto Rico with great success...

=================================================
GENERALLY ACCEPTED RULES FOR THE 1/8 GT CLASS
chassis : Any 1/8 - 1/7 Shaft driven. This allows kickup or flat, long or short wheel base chassis no belts
diffs: standard gear diffs only
body: any commercially available GT style body (not Lola style bodies)
body: rear of body can't be completely cut out
body: Front windshield/roof front cut maximum 70mm, No dimensions are specified.
body: rear windows can be completely cut out
body: side front windows can be completely cut out.
body: The engine’s cooling head fins can not be exposed from top or sides of body.
wings : allowed Only built for the body, and attached to body, no buggy style wings. No chassis mounted or “Buggy/Truggy” type wing mounts
tires: any commercially available rubber tires (no foam tires)
tires: must fit completely under the car body (no add-on wheel flares)
tire inserts: any insert is OK
stability: No electronic stability control allowed
engine: any .28 or smaller engine (Open).
engine: must be commercially available
clutch: Offroad style non-adjustable 2, 3, or 4 shoe clutch (no axial clutches)
pipe: any pipe
weight: minimum weight 3500 grams
Fuel Capacity: All cars can only have 1 fuel tank with a maximum tank capacity of 150cc.
Electronics: No electronic aids (D-Box, etc.)
Liquid traction additives or rubber enhancment chemicals are NOT permitted.

We have grown this class a lot in the last 3 years by making it fair and fun with no brand restrictions of any kind.
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Old 04-26-2012, 07:01 PM   #11
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These are simple rule to which we here in Puerto Rico have concluded to be the most widely accesible and sensible to get the most people into a class that began with 10 racers on and off and now has up to 3 mains average on race wknds. We have been racing these cars for many years (approx 7-8) and have rally seen the class grow because it is really appealing to see these car move on the track. The rubber tires squeeling in the turns is a real crowd pleaser, a bonus to the desicion that rubber lasts longer than foam. Fact that I can attest to using one set of tires for over three race weekends w/o probs.

Simple rules help increase the interest and attract new racers. Proven.

Wish you guys luck, don't try to reinvent the wheel, just hop an the bandwagon.
And welcome.
havy

MAybe its like 5??? dont remeber how many years but many..
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Old 04-26-2012, 07:52 PM   #12
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Havy, it's been 4 years, the first time we raced in Barceloneta was in 2008, you, me ,manolo ,amaury,emilio,guli,jose ortiz and emilio osorio, there was only 8 of us,by the time the 2nd season came around, the class had grown nicely. Good days in the begining.
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Old 04-26-2012, 08:30 PM   #13
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They are still great times only with more racers... I wish we could have everyone race at the same time. There must be more than 60 racers. But yes you, Havy, and the others were our pioners. I know that Amaury still has his cars maybe Manolo gets the bug again (if there are no boat races).
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Old 04-26-2012, 08:55 PM   #14
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Default Rules including suggestions from Tabushi, Azeroth, and jneg

Here's the list, now including suggestions from Tabushi, Azeroth, and jneg
Items in the "generally accepted" list so far haven't been questioned
Items in the "unresolved" list have multiple possible rules


=================================================
GENERALLY ACCEPTED RULES FOR THE 1/8 GT CLASS
chassis: shaft driven, no belts
diffs: standard gear diffs only
body: any commercially available GT style body (not Lola style bodies)
body: rear of body can't be completely cut out
body: rear windows can be completely cut out
body: side front windows can be completely cut out.
body: The engine’s cooling head fins can not be exposed from top or sides of body.
wings: wings and spoilers: allowed
tires: any commercially available rubber tires (no foam tires)
tires: must fit completely under the car body (no add-on wheel flares)
tire inserts: any insert is OK
engine: any .28 or smaller "spec" style engine.
engine: must be available from mail order shops for under a specified price
engine: must be commercially available
clutch: Offroad style non-adjustable 2, 3, or 4 shoe clutch (no axial clutches)
pipe: any pipe
weight: minimum weight 3500 grams
Fuel Capacity: All cars can only have 1 fuel tank with a maximum tank capacity of 150cc.
intake: INS box required
Electronics: No electronic stability control allowed
Electronics: No electronic aids (D-Box, etc.)
Traction: Liquid traction additives or rubber enhancment chemicals are NOT permitted.



UNRESOLVED RULES FOR THE 1/8 GT CLASS
chassis: 1/8 scale, or both 1/8 and 1/7 scale?
chassis: allows kick-up or flat, long or short wheel base chassis
wings: built for the body, and attached to body,
wings: no buggy style wings.
engine: under $200 w/o tax
engine: under $240 w/o tax
engine: under $280 w/o tax
engine: 3 ports
engine: 7 ports
body: Front windshield/roof front cut maximum 70mm, No dimensions are specified.
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Last edited by mikemyers; 04-26-2012 at 09:09 PM.
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Old 04-26-2012, 10:18 PM   #15
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I've tried up to 9 port onroad and there isn't much advantage. These car weigh so much that it balances out weight to RPM/torque in the long run. The torquier the better w/ a little bit of RPM. 7 port has been my magic #.


But we run open class engine wise: .28 and .21 together. Helps out when people have less to invest initially but feel like upgrading later on. As I stated above, they all even out, each w/ there own adv and disadvantages.

Just trying to help out.
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