TomoHawk Posted March 13, 2005 Author Share #13 Posted March 13, 2005 SVRA Vintage racing: (280Z is Historic B-Production, group 8) (L-Jetronic allowed), 2250 lbs, SVRA Supplemental Regulations: (last revised 10/21/2004) Datsun (Nissan) 260Z, 280Z (1974-1978) as prepared for SVRA Group 8, Class B-Production The following cars are covered under these regulations: 1974-1975 Datsun 260Z (2565cc,SOHC I-6) 1975-1978 Datsun 280Z (2753cc, SOHC I-6) Note: Includes 240Z updated to 260 or 280 specifications ------------------------------------------------------------------------ Engines: .047†(1.2mm) maximum overbore allowed L26 (2565cc) Bore x stroke 3.2677†x 3.11†L28 (2753cc) Bore x stroke 3.39†x 3.11†Head material……….aluminum Block material………cast iron Carburetion………….three 44PHH Mikuni or two Hitachi HJG 46W or equivalent (SU) Link to comment https://www.classiczcars.com/topic/15191-typesclasses-of-racing/?page=2#findComment-116488 Share on other sites More sharing options...
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