Did LS-4's with M40 (automatic) transmissions have A.I.R. pumps?
74 BB Smog
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Re: 74 BB Smog
Mark-----
Yes, the 1974 LS-4, with either manual or auto trans, did use AIR. As I recall, the only 1974 Corvettes which did not use the AIR exhaust emissions control system ("smog pump") was the L-48 with automatic transmission and FEDERAL emissions certification.In Appreciation of John Hinckley- Top
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