NHRA Tech Department makes additions/corrections to the engine blueprint specifications
- Jan 27, 2025
- 1 min read
Jan. 27, 2025
The NHRA Technical Department recently made changes to the blueprint specifications.
Buick 1979 updated cylinder head casting numbers
Chev 71-72 updated intake manifold casting numbers
Chev 75-76, 79 updated cylinder head casting numbers
Chev 19-24 updated piston dome height and volume
Chry 72-73, 78-80, 80T updated intake manifold casting numbers
Chry 72-73 updated cylinder head casting numbers
Olds 1979 updated intake manifold casting numbers
Olds 1979 updated cylinder head casting numbers
Pont 71-72 ,83 updated intake manifold casting numbers
Pont 71-72, 79 updated cylinder head casting numbers
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