Points/Stats Schedules








Competition
National Events
Regional/Division Events
Heritage Series
Member Track Directory
Division Offices
SRAC Advisor
Competition Number/License Applications & Forms
NHRA Approved ASO's
Insurance Claim Information
Tech
Automatic Horsepower Factoring System
AHFS Request
Engine Blueprint Specifications
Indexes and Records
NHRA Accepted Products
Rules
Stock Car Classification
Tech Support Contacts
Chassis Inspector
Contingency
Contingency Award Rules & Policies
Contingency Postings & Sponsor Information
W9 Form
NHRA Contingency Decal Requests

NHRA Tech Department makes additions/corrections to the engine blueprint specifications

April 22, 2024

 

The NHRA Technical Department recently made changes to the blueprint specifications.

 

Buick 1980 305 155 added alt cylinder head and manifold

 

Chry 09-21 added alt throttle body

 

Olds 1984 305 added bore and stroke







RM