NASCAR Nationwide Series News and Notes: Rule Amendment Brings NNS Engines In Line — ORP Preview
By Bram • Jul 23rd, 2008 • Category: Nationwide Series, News, Notes
DAYTONA BEACH, Fla. (July 23, 2008) – NASCAR issued a technical bulletin Tuesday amending the NASCAR Nationwide Series Rule Book. Effective as of July 23, 2008, section 20A – 5.10.4 is amended as follows:
“At all Events, unless otherwise specified, all engines with a cylinder bore spacing less than 4.470 inches must compete using a tapered spacer with four (4) 1.125-inch diameter holes. At all Events, unless otherwise specified, all engines with a cylinder bore spacing of 4.470 inches or more must compete using a tapered spacer with four (4) 1.100-inch diameter holes. Unless otherwise authorized, the carburetor restrictor will be issued by NASCAR.”









