PRODUCTION CAR SPECIFICATIONS 1972 EDITION ro: 0 1972 SPORTS CAR CLUB OF AMERICA, INC. All rights reserved. No part of this book mayboreproduced or transmitted in any form or by means, electronic or mechanical, including photo-copying, recording or by any information storage or retrieval system, without permission in writing from the publisher. Printed in the United States of America Revised k/H NOTE The pages listed below are revision pages as issued by SCCA, J^iaver, up to and including July 1, 1972. <•>, 26 - 71, 72 - 119, 120. Revised L/72 /*% FOREWORD EflFective January 1, 1972, all editions of the SCCA Production Car Specifications are superseded by the following SCCA Pro duction Car Specifications. The Club reserves the right to revise these Rules, to issue supplements to them at any time, and to promulgate special rules in emergency. This book is the property of Name Address City State Zip Region Class C, Continued ^X!, KGC-GT jrgan Super Sports 82 Porsche Carrera 1500, 1600 ?, Porsche5£SH 911ToJJ; Coupe/Targa*llL' *llT' Cabriolet9US (Coupes)1969thru 1968 ?Jq, Porsche 9UT Coupe/Targa Cabriolet 1970, 1971 loo ESSS ll?A SX'lSi' C°°-'*«*' Cbridet „„ IS? Sunbeam Tiger 260 JJf Triumph TR-250 116 Triumph TR-5 12S Triumph TR-6 (SO) 126 Triumph TR-6 (F.I.) *27 128 Class D AC Ace Bristol Alfa Romeo 1750 Spider Veloce thru 1971 ,? Alfa Romeo Spider 2000 " Austin Healey 3000 MX x, xx, xxx „ Daimler SP 250 21 Datsun SRL 311U (Hitachi) ?? Elva Courier MK III 1800 & MK IV 1800 A\ Elva Courier MK IV T Roadster & Coupe \l Jaguar XK 120, 140, 150, 3.4 & 3.8 i\ rus Super 7 " us Europa Mark 46, 54, 65 11 -umph GT6, GT6 + £* Triumph GT6 MK III J-20 Taiumph TR-4, TR-4A *2* Triumph TR-4A, IRS 123 TVR MK III 1800 124 Yenko Stinger Coupe 132 136 Class E Alfa Romeo Giulia Spider Veloce - Alfa Romeo Giulia Sprint GT & GTC ,! Alfa Romeo Spider Duetto r!} Austin Healey BN4, BN6 (100-6) if Elva Courier MK I, II, m (1622) ?! Elva Courier MK IV-T Ford ;: Elva Courier MK IV (1622) ;6 Fiat 124 Sport Spider thru 1972 11 MG-B, MGB-GT 54 Morgan +4 81 Opel GT 1900 84 Porsche 356 1500/1600 A, B, C ?!! Porsche£«2l« o?^1600 912 CoupeSC' thru356B 1968SuPer 90' Cabriolet .!!*!? Porsche 912 Coupe/Targa Cabriolet 1969 ,2, Porsche 914 thru 1972 103 104 1972 PRODUCTION CAR SPECIFICATIONS INDEX Class A Esse Abarth Simca 2000 i AMX Sports Coupe (360) 1970 19 AMX Sports Coupe (390) thru 1969 20 AMX Sports Coupe (390) 1970 - 21 Corvette Sting Ray 350 Roadster & Coupe 1970-1971 33 Corvette Sting Ray 396 34 Corvette Sting Ray 427 thru 1967 35 Corvette Sting Ray 427 Roadster & Coupe 1968, 1969 36 Corvette Sting Ray 454 Roadster S Coupe 1970, 1971 37 Ford Boss 429 Mustanq 1969, 1970 so Griffith 200 £0 Porsche GTS 904 93 Shelby Cobra 427 10o Shelby GT-500 thru 1967 113 Shelby GT-500 Coupe 1969 114 Class B Alfa Romeo Montreal j5 AMX Sports Coupe (290) thru 1969 17 AMX Sports Coupe (343) thru 1969 18 Corvette 283 28 Corvette 327 (1962) 29 Corvette Sting Ray 327 thru 1967 30 Corvette Sting Ray 327 Roadster & Coupe 1968 31 Corvette Sting Ray 350 Roadster & Coupe 1969-1971 32 Ferrari 275 GTB Berlinetta 49 Ferrari 365 GTB 4 Daytona 51 Jaguar Series 3 E V-12 65 Porsche 911E Coupe/Targa Cabriolet 1969 95 Porsche 911S Coupe/Targa Cabriolet 1969 96 Porsche 911E Coupe/Targa Cabriolet 1970, 1971 98 Porsche 911S Coupe/Targa Cabriolet 1970, 1971 99 Shelby Cobra 289 108 Shelby GT-350 thru 1966 HO Shelby GT-350 1-4V, 1967 HI Shelby Cobra GT-350 Coupe 1969 H2 Class C Alfa Romeo Giulia TZ 8 Datsun SRL 311-U (Mikuni) 42 Datsun 240 Z Sports thru 1972 43 Ferrari Dino 246 GT 50 Jaguar XKE, 3.8 6 4.2, Coupe fi Roadster 64 Lotus Seven Series Four 68 Lotus Elan 1600 S-2 thru S-4 69 Lotus Elan Plus 2 7q Lotus Europa Twin Cam 72 Class E, Continued Saab Sonnett V-4 thru XII Triumph TR-2, TR-3, TR-3A, TR-3B Turner 1500 TVR MK III 1622 TVR Vixen ff* Volvo 1800 (1990cc) 1969, 1800E 1970-1972 13" 135 Class F Alfa Romeo Giulietta Super Sprint & Spider 3 Alfa Romeo Giulietta Sprint Speciale & Zagato a Alfa Romeo Spider 1300 Junior 1 Alfa Romeo Junior Z 5 Alfa Romeo Giulia Sprint 6 Spider ii Alpine A-110, 1100 M Austin Healey Sprite MK IV (1275) 2? Austin Healey BN1, BN2 (100-4, 100M) tl Datsun SPL-311 & SPL 311U 11 Fiat 124 Spider thru 1972 „ Fiat Abarth OT 1300/124 Coupe |q Lotus 7 & 7 America 66 yt MG Midget MK III, IV thru 1972 ,o MGA 1500, 1600, 1622 H MGA Twin Cam '* Morgan 4/4 MKV %? Sunbeam Alpine ,,j| Triumph Spitfire MK III 115 Triumph Spitfire MK IV 118 Volvo P-1800, 1800S Class G Alfa Romeo Giulietta Sprint & Spider 5 Austin Healey Sprite 1100, AN 8 (1100) 5, Datsun SPL 310 U " Fiat Abarth 1000 Monomille H Fiat Abarth OTS 1000 Coupe „ Fiat Abarth OT 1000 Spider to Honda S800 & S800 Coupe J, Matra f2 MG Midget AN 2, AN 3 11 Porsche 1300 '' Rene Bonnet CRB .Jjj! Triumph Spitfire MK I 6 MK II V\% Turner 950S ri' Class H Austin Healey Sprite MKI & MKII (948) Fiat 850 Spider, Racer thru 1972 c,22 Fiat Abarth 850S, 750 GT, 750 MM 5! jUi&y Class H. Continued nda S-600 Coupe & Convertible d j TC, TD, TF - 12S0 2f MG TF-1500 42 MG Midget (948) 4f Morgan 4/4 rMK IV Opel GT 1100 J*Z* f*% jf^ Manufacturer: Abarth Class: A Model: Abarth Simca 2000 ENGINE /^% iB^i Manufacturer Abarth Type DOHC 4 Cyl. in line Bore x stroke 3.46"x 3.15" Capaci ty 1946 cc Head material Alum. Block material... C.I. Valve head dia: Intake 1.97" Exhaust 1.74" Carburation Two Weber "5 DCO TRANSMISSION AND DRIVE TRAIN Clutch Diameter: 877" Gearbox No. speeds forward: Ratios: Std. Alt. Alt. Alt. Alt. Alt. 1 3TTT 2TST 2 2.00 1.89 3 1.52 1.48 4 1.30 1.26 1.31 5 1.17 1.12 1.21 1.08 6 1.08 1.00 0.96 0.99 Overdrive Make & Model: NA Ratio Final Drive Ratios: 4.37, 3.70 CHASSIS Wheelbase 82.3" Track dimension, Front 50.1" Track dimension, Rear SO. 2" wheel diameter 13" Rim width S" BRAKES Standard Alternate Alternate Front: 9.2 Disc Rear: 9.2 j)isc WEIGHT t CAPACITIES Official weight: 1470 Lbs. Radiator capy 10 Qt. /MJ?L%&&j-m1U£s£ yfP^SjSV Manufacturer: AC Cars ciaQ*. n Model: AC Ace-Bristol ass* D /^% ENuiNE Manufacturer Bristol TyPe Pushrod 6 cyl. in line Bore x stroke.... 2.60" x 3.78" Capacity 1971 cc Head material Alum. Block material... C.I. Valve head dia: Intake 1.54" Exhaust 1.31" Carburation Three Solex 32 PBI 6 TRANSMISSION AND DRIVE TRAIN Clutch Diameter: Gearbox No. speeds forward: 4 Ratios: , 5£4i A"- bllL h±±± Alt. Alt. 1 TTT TTT 2 1.9 1.9 3 1.4 1.3 4 1.0 1.0 5 jgiterdrive * fNake & Model: Laycock V Ratio Final Drive Ratios: 3.64, 3.91, n.i, g.3 CHASSIS wheelbase 90" Track dimension, Front 50" Track dimension. Rear 50" Wheel diameter 15» or i6» Rim width ii#5.i BRAKES Standard Alternate Alternate Front: 11.6" Disc Rear: 11" Drum WEIGHT & CAPACITIES Official weight: 1685 Lbs. Radiator capy u Qt. Fuel tank capy 16. Qaj.-Sjd. -Alt. /^V Manufacturer: Alfa Romeo Class: f Model: Giulietta Super Sprint 6 Spider /^k IE uifacturer Alfa Romeo pe DOHC 4 cyl. in line Bore x stroke.... 2.91" x 2.95" Capacity 1290 cc Head material.... Alum. Block material... Alum. Valve head dia: Intake 1.46" Exhaust l!34" Carburation Two Weber 40 DCO or DCOE TRANSMISSION AND DRIVE TRAIN Clutch Diameter: 871 Gearbox No. speeds forward: 4 or S Ratios: Std. Alt. Alt. Alt. Alt. Alt. 1 3.30 2.54 2 1.99 1.70 * 3 1.35 1.26 4 1.00 1.00 5 0.79 0.85 Overdrive Make & Model: None Ratio f lal Drive Ratios: 4.10, 4.55, 4.78, 5.12 CHASSIS Wheelbase Sprint-92.S"; Spider-89" Track dimension, Front 51" Track dimension, Rear 50" Wheel diameter 15" Rim width 4.5" BRAKES Standard Alternate Alternate Front: 10.3" Drum 10.6" Disc (Girling) Rear: 10" Drum WEIGHT k CAPACITIES Official weight: 1906 Lbs.-Sprint Radiator capy 8Qt. 1768 Lbs.-Spider Fuel tank capy....21 Gal.-Sprint 21 Gal. Fuel Tank - Spider Manufacturer: Alfa Romeo Class: F Model: Giulietta Sprint Speciale S Zagato •n ENGINE Manufacturer Alfa Romeo Type DOHC 4 cyl. in line Bore x stroke.... 2.91" x 2.95" Capacity 1290 cc Head material.... Alum. Block material... Alum. Valve head dia: Intake 1.46" Exhaust 1.34" Carburation Two Weber 4 0 DCO or DCOE TRANSMISSION AND DRIVE TRAIN Clutch Diameter: 8s Gearbox No. speeds forward: 4 or S Ratios: Std. Alt. Alt. Alt. Alt. Alt. 1 3T2T 2T5T 3T2T 2 1.99 1.70 1.96 3 1.36 1.26 1.36 4 1.00 1.00 1.00 5 0.85 0.85 Overdrive Make & Model: None Ratio Final Drive Ratios: 3.73, 4.10, 4.SS, 4.78, 5.12 CHASSIS Wheelbase 89" Track dimension, Front 51" Track dimension, Rear 50" Wheel diameter 15" Rim width 4.5" BRAKES Standard Alternate Alternate Front: 10.3" Drum 10.6 Disc (GirlinJTT Rear: 10" Drum WEIGHT & CAPACITIES Official weight: Radiator capy 8 Qt.