Originally Posted by wcairsoft3r
i bought this engine used,so I dont kno what needles he had it at..I'll see..also,what temp should I run it at?
Rule of thumb. HSN 3 turns out. LSN flush in socket.
Don't even think about tuning to a temp if you want it to run well. Temp will depend on too many things so tune it first for performance and then see what the temp is. Usually a big block is good between 220 and 260 degrees F.