Request to allow 40 DCOE carb for the Datsun 510
#28195 from James Bell · Rule change · TB 20-03 (2020-03 Fastrack)
In HP, Nissan/Datsun PL510, make changes to the spec line as follows:
Carburetor No & Type:
"(1) 40 DCN or, DCNF w/ 32mm choke(s),. 32mm choke(s) req'd, or (1) 36mm DCNVH. (2) auto type side
draft(s) w/ 32mm choke(s) on I.R. manifold @ 90lbs penalty."
Notes:
"Compression ratio limited to 12.0:1, Valve lift limited to .450”. (2) auto type side drafts w/ 32mmchoke(s) on I.R. manifold allowed @ 2050 (*2101 **2153). Nissan/Datsun 240Z/260Z/280Z front rotors
and calipers and rear aluminum drums are permitted."