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As many of you may know, I swapped. Cadillac 425 in my Monza drag car before I sold it.The 3rd owner swapped in a 472 and sold it again.

Some of my advice came from Cadco , a company that has making Cadillac motors go fast since the 70's.
Well I just found out that they achieved 900Hp at 6500 rpm with a stock block with no power adders at all.

How about that!

Doug in P.R.

Pretty impressive Doug,

doug did anyone post any dyno sheets on that build. that number is hard to believe if it is just naturally aspirayed,(no juice, blower or turbo) Art in NY

I think they posted it. Let me check.


Doug in P.R.

Here's the link to the whole discussion,(2 pages)

https://cadillacmagazine.com/forums/thr ... -hp.18706/

Doug in P.R.