Quote:
Originally Posted by CanuckRS
Aaron,
I am thinking of building (more like have one built for me) one of these motors; either the 2.3 or the 2.5SS...The 2.3 is more correct for my car since it's a 1970 tub but the 2.5 has more power and that's very tempting...
Don't know what the cost differential is between building the 2.3 vs 2.5 but at the end of the day I want to remain FIA legal...

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Either way, the price will be about the same.
2380 st motor from armando's wonderful site.
Note early cam towers on 2.2/2.0 mag case