Quote:
Originally Posted by tpepmeie
Don't quote me on this, but I read in an old Legend magazine about the development of the LT5, and believe it was stated they were seeing 445 SAE with open headers on the dyno.
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Actually, if that was in the old Legend magazine, whatever article that was must have been talking about the Record Run engine which, slightly modified, made 440-hp.
Also, no engine could make "445 SAE with open headers" because the SAE test standard mandates a full exhaust system.
Stock LT5s made 375-hp SAE net or 425-hp gross with open exhaust.
Quote:
Originally Posted by zr1mom
The next gen ZR-1 if it wasn't killed off would have been 450hp.
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The so called "third generation LT5" which would have gone to production for 1995 had additional improvements, including variable valve timing, and would have been rated at 475-hp SAE net. The development program which was that engine ended when the ZR-1 was killed.