Quote:
Originally Posted by safe
Your right about the compression, but the ports are equally small on the euro.
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I Know in the rebuild book it states that the ROW post 79 SC's had small ports but in reality I dont think they did. I have stripped both a 83 and an 81 SC engine last year as well as my current 79 SC engine all three were ROW and all three had the large 39mm ports. These were not engines that had been retrofitted with early heads as the date stamping matched. Someone with more experiance may chime in but im pretty sure all ROW SC engines had 39mm ports.
Steve