Speed or ReliabilitySpeed or Reliability

CompromiseCompromiseandand

BalanceBalance

MGBMGB A fun well balanced road carA fun well balanced road car Ideal for most types of competition?Ideal for most types of competition? Driving tests - okDriving tests - ok Sprints and hill climbs - goodSprints and hill climbs - good Rallies - goodRallies - good Races - excellentRaces - excellent

Safety First = Safety FastSafety First = Safety Fast

Cockpit mods for comfortCockpit mods for comfort BrakesBrakes SuspensionSuspension Wheels & tyresWheels & tyres Engine tuningEngine tuning Body modificationsBody modifications

Comfort in the carComfort in the car

Are you sitting comfortably?Are you sitting comfortably? Seat beltsSeat belts Fire extinguisherFire extinguisher Master switchMaster switch InstrumentsInstruments Oil pressure lightOil pressure light

BRAKESBRAKESSafety is all importantSafety is all important – – you you

only get one chance with the brakesonly get one chance with the brakes New hydraulicsNew hydraulics CoolingCooling Pad materialPad material Shoe materialShoe material Balance is all importantBalance is all important

Discs and calipersDiscs and calipers

To V8 or not to V8?To V8 or not to V8?

Road & track day brake padRoad & track day brake padcompoundscompounds

Mintex M1144 Fast road/sprint/hill Mintex M1144 Fast road/sprint/hill climb/rally compoundclimb/rally compound

Hawke Hawke HPS Fast road compound. Low HPS Fast road compound. Low dust & noise. Works from cold.dust & noise. Works from cold.

Hawke Hawke HP+ Fast road/track day HP+ Fast road/track day compound. Works from cold. High compound. Works from cold. High friction output. Some dusting and friction output. Some dusting and noise.noise.

Carbotech materialsCarbotech materials

Racing brake pad compoundsRacing brake pad compounds Mintex M1155 – Circuit racing compoundMintex M1155 – Circuit racing compound Hawke Black - High initial torque/ bite. Hawke Black - High initial torque/ bite.

Good on lighter cars. Temp. 100°F -900°F Good on lighter cars. Temp. 100°F -900°F  Hawke Blue 9012 - Excellent all round race Hawke Blue 9012 - Excellent all round race

compound with excellent torque/bite, yet compound with excellent torque/bite, yet exhibits good pedal feel. Temp 250°F -exhibits good pedal feel. Temp 250°F -1000°F1000°F

Hawke HT10 - Race compound. 300°F -Hawke HT10 - Race compound. 300°F -1600°F High torque with smooth initial 1600°F High torque with smooth initial bite. Low wear rate.bite. Low wear rate.

Carbotech materialsCarbotech materials

Carbotech pad compoundsCarbotech pad compounds

CARBOTECH PANTHERCARBOTECH PANTHERThe predecessor to the Panther Plus, the The predecessor to the Panther Plus, the Panther is also an excellent track pad Panther is also an excellent track pad which can also be used on the street with which can also be used on the street with good results.  With a coefficient of friction good results.  With a coefficient of friction of 0.52-0.54, and an operating of 0.52-0.54, and an operating temperature range of 150F to 1100F, the temperature range of 150F to 1100F, the Panther provides excellent stopping power Panther provides excellent stopping power with very good modulation, while with very good modulation, while remaining rotor friendly, whether hot or remaining rotor friendly, whether hot or cold cold

Carbotech pad compoundsCarbotech pad compounds CARBOTECH PANTHER PLUSCARBOTECH PANTHER PLUS

A high torque brake compound delivering reliable A high torque brake compound delivering reliable and consistent performance over a very wide and consistent performance over a very wide operating temperature range (150F to 1300F).  operating temperature range (150F to 1300F).  Advanced compound matrix provides an excellent Advanced compound matrix provides an excellent initial "bite", high coefficient of friction (0.54-initial "bite", high coefficient of friction (0.54-0.56), and very progressive brake modulation and 0.56), and very progressive brake modulation and release characteristics.  Extremely high fade release characteristics.  Extremely high fade resistance, very rotor friendly, excellent cold resistance, very rotor friendly, excellent cold stopping power, and low noise when hot or cold.  stopping power, and low noise when hot or cold.  Primarily designed for track use, but can also be Primarily designed for track use, but can also be used with good results on the street.  used with good results on the street.  

Carbotech pad compoundsCarbotech pad compounds CARBOTECH PANTHER XPCARBOTECH PANTHER XP

An extremely high torque brake compound An extremely high torque brake compound with a wide operating temperature range with a wide operating temperature range (200F to 1450F+).  Unparalleled initial bite (200F to 1450F+).  Unparalleled initial bite at race temperatures, high coefficient of at race temperatures, high coefficient of friction (0.58-0.60), excellent modulation friction (0.58-0.60), excellent modulation and release characteristics, extremely and release characteristics, extremely high fade resistance, very rotor friendly high fade resistance, very rotor friendly and excellent wear rates. Designed for and excellent wear rates. Designed for race/track use, but can be driven to and race/track use, but can be driven to and from the race track if necessary; not from the race track if necessary; not intended as an aggressive street pad. intended as an aggressive street pad.

Brake shoe materialsBrake shoe materials

Mintex M20Mintex M20 or equivalent for road use or equivalent for road use Carbotech Kellate Metallic Race Brake Carbotech Kellate Metallic Race Brake

Shoes Shoes The ultimate racing material The ultimate racing material offering superb retardation and low wear. offering superb retardation and low wear. The highest co-efficient of friction The highest co-efficient of friction currently available for brake shoes. Able to currently available for brake shoes. Able to withstand high temperatures and withstand high temperatures and extremes of load. Suitable for all circuit extremes of load. Suitable for all circuit and endurance racing. Coefficient of and endurance racing. Coefficient of friction 0.48-0.50.friction 0.48-0.50.

Carbotech shoe compoundsCarbotech shoe compounds CARBOTECH SILVER STREAK 912CARBOTECH SILVER STREAK 912

An advance organo-metallic compound An advance organo-metallic compound specially formulated for rear drum specially formulated for rear drum applications in lighter weight race cars (< applications in lighter weight race cars (< 2850lb.), as well as disc-brake applications 2850lb.), as well as disc-brake applications for street-driven vehicles of all types.  High for street-driven vehicles of all types.  High friction coefficient of 0.46 to 0.48, friction coefficient of 0.46 to 0.48, providing excellent braking in the rear providing excellent braking in the rear without any risk of lock-up.  Very good without any risk of lock-up.  Very good brake modulation throughout the entire brake modulation throughout the entire brake pedal travel range, with excellent brake pedal travel range, with excellent wear characteristics, providing an wear characteristics, providing an outstanding value.  outstanding value. 

Carbotech shoe compoundsCarbotech shoe compounds CARBOTECH KELATED METALLIC GREEN 913CARBOTECH KELATED METALLIC GREEN 913

A D.O.T.-approved high-performance compound, A D.O.T.-approved high-performance compound, Carbotech Kelated Metallic (CKM) achieves a very Carbotech Kelated Metallic (CKM) achieves a very high coefficient of friction (approx. 0.48 to 0.50) high coefficient of friction (approx. 0.48 to 0.50) by taking advantage of a chemical reaction within by taking advantage of a chemical reaction within the friction mass, which creates a tri-alloy the friction mass, which creates a tri-alloy metallic film at the liner/drum interface when metallic film at the liner/drum interface when subjected to heat and pressure.  Designed to subjected to heat and pressure.  Designed to overcome the shortcomings of other liner overcome the shortcomings of other liner materials, CKM is very versatile and provides materials, CKM is very versatile and provides excellent braking performance in a wide variety excellent braking performance in a wide variety of applications.  Excellent wear characteristics of applications.  Excellent wear characteristics and a very high resistance to lock-up under hard and a very high resistance to lock-up under hard braking.  Optimal recommended operating braking.  Optimal recommended operating temperature range is from ambient to 750F. temperature range is from ambient to 750F.

Brake balanceBrake balance What do you need?What do you need?

How to adjust the balanceHow to adjust the balance

Rear wheel cylinder sizesRear wheel cylinder sizes

Brake balance valveBrake balance valve

Wheel cylinder sizesWheel cylinder sizes

GWC1122 – 0.875” – GT from 1970GWC1122 – 0.875” – GT from 1970 GWC1103 – 0.80” – Roadster, all V8 GWC1103 – 0.80” – Roadster, all V8

and later GTand later GT GWC1102 – 0.75” – Midget 1275GWC1102 – 0.75” – Midget 1275 GWC1129 – 0.6875” – Midget 1500GWC1129 – 0.6875” – Midget 1500 GWC1101 – 0.625” - MiniGWC1101 – 0.625” - Mini

SuspensionSuspension Spring ratesSpring rates Shock absorbersShock absorbers Anti-roll barsAnti-roll bars Bush materialBush material Camber and castor anglesCamber and castor angles Toe-in?Toe-in? Problems?Problems?

Standard front springsStandard front springs AHH6451AHH6451 348lbs/in348lbs/in 9.965” 9.965” Chrome bumper roadsterChrome bumper roadster AHH5789AHH5789 480lbs/in480lbs/in 9.09” 9.09” Chrome bumper GTChrome bumper GT BHH1077BHH1077 480lbs/in480lbs/in 9.32”9.32”GT V8GT V8 BHH1225BHH1225 372lbs/in372lbs/in 10.2”10.2”All rubber bumper carsAll rubber bumper cars

Alternative front springsAlternative front springs AHT21AHT21 480lbs/in480lbs/in 8.63”8.63” AHT21AAHT21A 520lbs/in520lbs/in 8.1”8.1” AHT21BAHT21B 600lbs/in600lbs/in 7.5”7.5” AHT22AHT22 600lbs/in600lbs/in 7.75”7.75” AHT23AHT23 600lbs/in600lbs/in 8.0”8.0” AHT24AHT24 600lbs/in600lbs/in 8.5”8.5” AHT21CAHT21C 700lbs/in700lbs/in 6.85”6.85” RaceRace 800lbs/in800lbs/in 7.75”7.75”

Rear springsRear springsChrome bumper carsChrome bumper cars AHH6453AHH6453 99lb/in99lb/in 4.83”4.83” AHH7080AHH7080 93lbs/in93lbs/in 4.83”4.83” AHC31AHC31 99lbs/in99lbs/in 5.15”5.15” BHH1133BHH1133 108lbs/in108lbs/in 5.572”5.572” AHH7346AHH7346 124lbs/in124lbs/in 4.37”4.37” AHT20AHT20 124lbs/in124lbs/in 3.37”3.37”

Rear springsRear springsRubber bumper carsRubber bumper cars BHH1779BHH1779 102lbs/in102lbs/in 4.99”4.99” BHH1767BHH1767 110lbs/in110lbs/in 5.44”5.44” BHH1771BHH1771 110lbs/in110lbs/in 4.53”4.53” MGCsMGCs AHC797AHC797 103lbs/in103lbs/in 4.83”4.83” AHC791AHC791 103lbs/in103lbs/in 5.41”5.41”

Bushes and bump stopsBushes and bump stops

Standard – rubber – ugh!!Standard – rubber – ugh!! V8 – metalastik – goodV8 – metalastik – good Polyurethane – excellentPolyurethane – excellent Nylatron – generally too hardNylatron – generally too hard

Alter bump stops for lowered carsAlter bump stops for lowered cars

Camber and casterCamber and caster

Negative camber wishbonesNegative camber wishbones

Eccentric top king pin bushesEccentric top king pin bushes

Caster reduction kitsCaster reduction kits

Control axle movementControl axle movementRemove all complianceRemove all complianceAllow movement where YOU Allow movement where YOU

want itwant itSteel bushes instead of Steel bushes instead of

rubberrubber

WheelsWheels Wire wheels – 5.5J x 14”Wire wheels – 5.5J x 14” Alloy wheels – 5.5J x 14”. The right Alloy wheels – 5.5J x 14”. The right

wheel will fit without body modswheel will fit without body mods Alloy wheels – 6Jx14”. Usually Alloy wheels – 6Jx14”. Usually

requires wing mods.requires wing mods. Centre lock alloy wheels - too heavy?Centre lock alloy wheels - too heavy?

TyresTyresBlack, round and sticky !Black, round and sticky !Avon CR6 ZZAvon CR6 ZZVredestein – various typesVredestein – various typesDunlop Formula RDunlop Formula R

Engine tuningEngine tuningThe world is your oyster!!The world is your oyster!!There is too much choice!!There is too much choice!!

How do you decide what to do?How do you decide what to do?

Head, cam or carbs?Head, cam or carbs?Head is the main improvementHead is the main improvement

Camshaft is nextCamshaft is next

Carbs are the last !!Carbs are the last !!

Block preparationBlock preparationCleanliness is everythingCleanliness is everything