RULES FOR CAMSO V8 CARS 24th April 2009

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Chassis Part Number
1 Any Professionally Built Late Model Chassis May Be Used
Off-Set Or Straight Up Wheelbase 104" To 105"
2 Minimum Weight 1100kgs 2425Ibs
3 Maximum Left Side Weight 58%
Both Weights Apply At Any Time And Are With Driver
No Topping Up Of Fluids Will Be Permitted
There Is No Maximum Weight The Promoter/Scrutineer Will
Not Allow "Offensive" Ironwork
3a Track Width Must Not Exceed 66" Measured From Hub Face
To Hub Face 66"

Bodies
4 All Late Model Bodies Permitted As Supplied By Five Star Bodies
Or Similar Approved A
5 No Carbon Fibre Allowed Anywhere On Car

Engine
6 GM Crate Engine 400/400 With NO Alterations 88958604
7 Existing Engines As Listed Below Are Permitted Until
Further Notice.
Goodwrench Fast Burn 385 ZZ4 Partial Engine 12561723
Crankshaft 12556307
Con-Rods 10108688
Pistons 10159436
Rocker Arm Kit 12370839
Cylinder Head 12464298
Inlet Valve 2.00" 12555331
Exhaust Valve 1.55" 12551313
Valve Springs 12551483
Camshaft (Hot Cam) 0.519" 24502586
Inlet Manifold 12366573
Head Caskets 12557236
It Is Recommended That In The Event Of Total Engine
Failure The Above 400/400 Engine Be Used
8 Compression Ratio On Any Engine Must Not Exceed190lbs
Measured On Any Two Cylinders & Averaged
No Overboring Without Written Approval

Carburettor
9 Bary Grant/Demon 650 CFM 128-2010
Bary Grant/Demon 750 CFM 140-2010
Bary Grant/Demon 750 CFM 240-2015OT
10 No Spacers Permitted Between Inlet Manifold & Carb
11 Jets Free But Metering Blocks Must Remain Standard
12 Mechanical Fuel Pump Only (No Electric Pumps)
13 Roadside Fuel Only Maximum 98 Octane (Octane Boost
May Be Used)

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Ignition
14 Distributor MSD MSD-85551
15 MSD Ignition Pack 6T/6AL/6A
16 Standard GM HEI Distributor
17 No Other Ignition System Permitted Without WRITTEN
Permission Of Promoter/Scrutineer
Recommend The Use Of Bronze Distributor Gear MSD-8471

Transmission
18 Brinn Gearbox With Integral Clutch BR-70001
19 Flywheel/Flexplate GM14088765
20 Gearbox,Flywheel & Clutch 2/3/or 4 Speed Permitted Subject
To Written Approval From Promoter/Scrutineer

BellHousing
21 Must Be Steel. No Magnesium/Aluminium Typical Part No. 170-8653
22 May Be Cut At Bottom For Ground Clearance

Propshaft
23 (Driveshaft) Must Be Steel & Painted White

Rear Axle
24 Free. Must Be 100% Locked
25 Maximum Final Gear Ratio 5.88:1 @ Warneton
This May Be Adjusted By Promoter If Engines Are Over Revving

Suspension
26 Afco 7" Shock Absorber In Standard Form 1075
Afco 7" Shock Absorber In Standard Form 1074
QA1 7" Shock Absorber In Standard Form 5075
QA1 7" Shock Absorber In Standard Form 5074
27 These Shock Absorbers May Be Fitted On Any Corner
One Only Per Corner
28 NO Other Shock Absorbers Allowed
29 Spindles & Hubs Free. Must Be Off The Shelf Item.
No Home Made
30 Standard 2 5/8" Coil Springs (Afco or Similar)
No Progressive Springs
31 All Corners To Be Coil Over. No Leaf Springs.
32 Rear Suspension Must Be 3rd Link With Or Without Rubber A
Shock Absorber On 3rd Link A
33 Must Be Panhard Bar A
34 No Springs/Shock Absorbers Permitted On Trailing Arms A
35 Roll Or Sway Bar Are Free & Optional Front Only A

Steering
36 Free. Power Steering Strongly Advised

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Brakes
37 Brake Pads Are Free. Must Be Off Shelf Item
38 Discs/Rotors Must Be Steel 11.75"
39 Calipers Lefthander 092-3371516
Calipers Lefthander 092-33758
Calipers Howe 33658
Calipers Howe 337
40 Minimum 3 Wheels Must Be Braked
41 In Car Brakes Adjuster Permitted

Wheels
42 Maximum 10" Wide With 5" Backset
No Other Backset Permitted
No Wheel Spacers Permitted

Tyres
43 2009 Hoosier 10" 3025/American Racer EC-83 A
44 Maximum Tyres Permitted Per Season 12 A
45 4 Used Tyres May Be Carried Forward From Last Year A
46 A Split/Unrepairable Tyre May Be Exchanged If In The Scrutineers A
Opinion There Was At Least 50% Of Life Left In The Tyre

Safety
47 A Petrol Cut-Off Within Reach Of The Driver Is Compulsory A
48 An Electrical Cut-Off Switch To Isolate Battery Must Be Fitted A
On Rear Deck Panel Drivers Side. This Must Stop The Engine A
49 A 1kg Fire Extinguisher Must Be Fitted Within Reach Of A
The Driver Or Fire Control System Fitted A
50 A Window Net Must Be Fitted With The Latch At Top A
51 It Is Not Permitted To Enclose Passenger Side Window A
52 A Neck Brace, Hans Device, Or Similar Is Compulsory A
53 Fire Proof Underwear Including Balaclava Is Compulsory A
53a Fireproof Racing Gloves Are Compulsory A
54 A Radio Receiver Tuned To The Start Marshall Is Compulsory A
No Other Radios Permitted A
55 Radios Will Be Checked Prior To Each Race. In The Event Of A
A Radio Not Working The Driver Will Have To Start 3/4 Lap Down A
56 Minimum 5 Point Harness Compulsory A
57 Drivers Seat Must Be Proffessionaly Manufactured And A
Include Rear & Right Side Head Rests A

General
58 No Driver Adjustable Parts Are Permitted With The Exception A
Of Brake Adjuster A
59 No Carbon Fibre On Any Part Of The Car A
60 Alcohol Is Not Permitted Breath Test May Be Taken A
61 Exhaust Free Subject To Promoters Noise Test A

ASCARS Must Comply To All Items Marked A



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The ASCARS
Must Comply With The Last Issue of Their Rules And With Items
Marked A On The Above Rules. Once We Have Been Able To
Equalise Performance A More Specific List Of Regulations
Will Be Issued


These Rules Have Been Formulated To Provide As Level & Economic Racing As Possible
The Promoter/Scrutineer Reserves The Right To Alter These Rules At ANY Time If In
Their Opinion An Unfair Advantage Is Being Gained Or The Actions Of Any Driver Are
Detrimental To The Overall Well Being Of The Formula