Quote:
Originally Posted by Glenn Briglio
Could someone explain the hp reduction listed yesterday on the two pontiac 455 combo's.
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Don't think very many will have to worry about that change. That was a rare engine, SD455.
http://www.classracerinfo.com/Engine...0&MAKE=Pontiac
As far as I know, there is only one '73 Stocker & one '74 Stocker running that engine. Don't think those 2 will be in enuff heads-up runs in a season, to cause the other brands much trouble.
Considering the rarity of those heads, & current price, I don't think there will be a rush to use this engine.
But hey, what do I know.
Here's a 455 which I think could really use a big reduction. It's the '76 455. It has HUGE chambers, resulting in LOW compression, & from what I've read, poor flowing ports. But, from what I gather, somebody has to build one 1st, run it for a while, THEN ask for a reduction. I don't look for that to happen. I've never seen or heard of a '76 Pontiac running that engine. In fact, I've only seen ONE '76 Pontiac Stocker, of any kind.
http://www.classracerinfo.com/Engine...7&MAKE=Pontiac