NHRA Tech Department makes updates to the engine blue print specifications

Feb. 13, 2020

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

Chev 12-20 COPO Camaro corrected head castings

Chev 60-70 added missing intake castings, cylinder head castings and piston type

Ford 86 140 145 added specs

Ford 87-93 added missing intake castings and throttle body sizes

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