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Old 12-24-2017, 05:46 PM   #511
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Default AUSTRALIAN LATE MODEL RULES

LATE MODEL
1. GENERAL
1/1: Appearance must resemble full size Late Model Speedway Car
1/2: Must be based on Baja 5B Platform from the following Manufacturers HPI / Rovan Sport /
King Motor
1/3: Body is mandatory see body specifications below
1/4: Aluminium upgrade to replace plastic parts permitted
1/5: All measurement for this model are measured from extreme points
2. MODEL DIMENSIONS w/BODY FITTED
2/1: MODEL LENGTH w/Body Fitted (OVERALL): Maximum 1200mm
2/2: MODEL WIDTH FRONT: Maximum 480mm
2/3: MODEL WIDTH REAR: Maximum 510mm
2/4: BODY: must be made from Plastic / Aluminium or Fiberglass
2/5: BODY: Maximum thickness of body panel material Plastic 3mm / Aluminium & Fiberglass
1.2mm
2/6: BODY Nose Cone: Must be a Wedge/Top Flared Side Nose Cone unique to a Late Model
Sedan - Sides of Nose cone sits higher than guards.
2/7: BODY WIDTH FRONT: Maximum 510mm
2/8: BODY WIDTH REAR: Maximum 530mm
3. ENGINE
3/1: Minimum engine capacity 28.5cc (29cc) up to Maximum 31.8cc (32cc) as supplied by
Zenoah, CY, KM or Rovan
3/2: Engine must remain internally stock, NO internal modifications allowed (No Ported heads
or Scavenger plates allowed)
3/3: Air filter and exhaust may be changed (as per modifications outlined below)
3/4: Permitted engines are: Zenoah G320RC / Rovan 32cc or Standard Engines up to 31.8cc
3/5: Reed valve engines are NOT permitted
3/6: Ignition system must remain standard as per engine manufacturer including spark
plug lead, mechanically fixed timing coil only.
3/7: Flywheel must remain standard
Version 1.4 – August 2017
Page 28
3/8: Clutch must remain standard as fitted to listed engines 5k to 8k springs
3/9: Aftermarket Pull Start permitted with catch fitted on Flywheel
3A. ENGINE MODIFICATIONS
3A/1: EXHAUST: Non-standard is permitted and must not be longer than the body, must be
contained within the body. Side pipes permitted. Engine Noise must not exceed 95Dba from a
distance of 10M from the model. Using an approved measuring device.
3A/2: INTAKE; Carburettor from listed engines only WALBRO WT-603(x), 668, 989, (997), 771,
813, (998), 990 or 1107. Bearing Modification on main shaft allowed. Removal of Choke shaft
allowed.
3A/3: Non standard Intake manifold / Air filter are allowed. Maximum length of insulator blocks
35mm including gaskets.
3A/3: Spark plug may be changed no restriction
3A/4: Porting and Polishing is NOT permitted (No removal of any material)
3A/5: Gaskets must be paper type (production) and not home made NO copper gaskets
3A/6: Bearings must be of stainless steel type, NO ceramic material permitted
4. DRIVELINE
4/1: Rear wheel drive only
4/2: Locked differentials are NOT permitted
4/3: Multi speed gearbox is NOT permitted
4/4: Axle Extenders permitted
5. FRONT AXLE
5/1: Standard as per manufacturer either e-clip or screwed in.
5/2: Extenders Permitted
6. CHASSIS
6/1: Must resemble Standard 2 piece as per manufacturer (can be plastic, aluminium or carbon
fibre)
6/2: Stiffener plate can be fitted to front underside

Version 1.4 – August 2017
Page 29
7. NERF AND CRASH BARS
7/1: Front bumper permitted under nose cone of body
7/2: Rear crash bars may be fitted but must stay inside the confines of the body
8. BRAKES
8/1: Must be fitted and operational
8/2: Only manufacturer’s standard braking system allowed (disc mounted on hex hub of
driveshaft) Upgraded pads and discs allowed
8/3: Four wheel braking system is not permitted
9. SUSPENSION
9/1: Standard length as per manufacturer for 5B Front/Rear
9/2: Shock oil and springs not restricted
9/3: Maximum of 4 shocks only
10. WHEELS AND TYRES
10/1: Aftermarket copies are allowed but have same dimensions as original (Must be
commercially available for the Baja 5B)
11. WINGS
11/1: Wings are not allowed but rear spoilers fixed and connected all the way along the rear of
the body are permitted and must not protrude outside of body
12. FUEL / TANK
12/1: Fuel = Unleaded / Premium unleaded with oil additive only, no other fuels or
additives are allowed
12/2: Tank = Must be mounted securely within vehicle
13. KILL SWITCH
13/1: Must be fitted and operational and may be identified by a blue triangle on body
13/2: Third Channel - Remote Kill Switch / Failsafe is mandatory and operational
14. RADIO / ELECTRICS
14/1: 2.4GHz band radio only
14/2: 'D' boxes/and or gyros are NOT allowed, includes any type of assistance e.g. AVC
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Old 01-25-2018, 08:05 AM   #512
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Default fuel system

Has any tried the fuel system the 1/4 scale guys use ?
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Old 02-12-2018, 09:21 AM   #513
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Default Axel Extenders

What size axel extenders for late model? Any manufacturer you like better than another?
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Old 02-12-2018, 09:23 AM   #514
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Default

Quote:
Originally Posted by Bob Hubbard View Post
Has any tried the fuel system the 1/4 scale guys use ?
Don't think that is legal.
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Old 02-12-2018, 09:25 AM   #515
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Default

Quote:
Originally Posted by BigBullyRacing View Post
What size axel extenders for late model? Any manufacturer you like better than another?
I think most are using 1". Don't think one is better than the other. Go to Facebook and join 1/5 scale oval racers. Lots of info there.
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Old 02-15-2018, 06:44 AM   #516
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Default Legal

Quote:
Originally Posted by Packfan View Post
Don't think that is legal.
Yea Im not sure why a fuel tank would make a difference but I was told its not legal .... The quarter scale guys been racing for yrs and use them --- Go figure that rule out .... How about the chassis being legal .... We have carbon fiber chassis & the scorpion chassis on ddm ..... I wonder if those are legal ?
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Old 02-15-2018, 06:50 AM   #517
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Default extenders

Quote:
Originally Posted by BigBullyRacing View Post
What size axel extenders for late model? Any manufacturer you like better than another?
I have a selection of extenders .... You can loosen or tighen your car by moving them around ..... I suggest you buy several and test them .... Ive heard ppl tell me as much as 2 inch but I havnt bought any that long yet .... I think the chassis over all width according to dlmra rules are L-O-L ....1-5LateModelspecs
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Old 02-15-2018, 06:51 AM   #518
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Default

Anyone know anythng about the new tires from rc-4-less ? From what Ive heard its not all good to go ....
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Old 02-16-2018, 08:22 AM   #519
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Quote:
Originally Posted by Bob Hubbard View Post
Anyone know anythng about the new tires from rc-4-less ? From what Ive heard its not all good to go ....
I don't worry about the RC4Less tires. They will not work on loose dirt which is what we run around here.
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