Quote:
Originally Posted by cainplays
Thanks for your reply,
With buying a EJ257 short motor, is there anything i would need to do to insure reliability of the engine(257 bottom with 255 head) because i believe there is a slight change in compression from the stock 255 long block.
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I'm using EJ255 heads on mine.
As long as power levels are kept sensible and it's tuned properly you shouldn't have problems. Three things I'd suggest: New oil pump, RCM head gaskets and some arp2000 headstuds.