in my opinion the EG33 shouldn't have a compression less than 9:1 , because driving at low rpm the SVX wouldn't have a lot of acceleration as it was especially because of its high weight. so a 9:1 compression ratio, the V1 chip and a nice turbo will do the trick.
So the pistons are accounted for now, but what about the other internals such as the Valves ??? no body is giving an opinion about them
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Danny
1994 Silver SVX in hybernation, awaiting for the
monsterous awakening (Lebanon)
1967 Mercedes-Benz 250SL Euro Specs, Hard/Softtop, White/Red. Under Complete Restoration
2013 Mercedes-Benz SL350 Euro Specs, White/Red. Mint... Another step into SL Collection.