Quote:
Originally Posted by GUMP
The 275 HP for my Firebird was dead honest. The problem is that the HP numbers in the book are factors not HP numbers.
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The cylinder head work they can hide in the aluminium LT1 heads is a big factor there. Hang one out of the GM crate, or out of a car, on an engine dyno, they won't make anywhere near their stock hp factor. Thatr's the big reason the S & SS factors are so different. The SS heads aren't all that much better than a good set of Stock Eliminator heads. Put a set of actual stock castings on a good running LT1 Stocker and see how fast it is now.