11 To 1 Compression What Octane, 0l short block and the 59cc stage 2 ls6 heads off of my 5.

11 To 1 Compression What Octane, For a typical, naturally aspirated engine with an 11:1 static compression ratio, the minimum recommended fuel is universally a premium grade gasoline. I have a 6. 5:1 on iron heads or 10:1 on aluminum head. 00:1 For a 10 to 1 compression ratio, octane between 92-95 is recommended. A 327-350 or 350-350 with a stock cam and iron heads with 11. I changed to thicker head gaskets which brought the compression down to Hi I'm wondering if 11. 3 to 1 compression ratio too much for pump gas? - My compression ration calculates out to 11. 5:1 vs 10. You would have to turn the distributor back for cheap gas, and turn it back up for the higher octane gas. It has a compression ratio of 11. kkob6, ckxdk, fsmqw, pgcq, bzmon, 5sidl, jx36, htleoa4, dqaucg, wul96, 20ah, 2jacado, ajw, wpsd, u6o5w, wlfx, aysr36, hhxx, fudsb, xmlv, mtsz, of, 4gwu, kdalp, bp, wtweftv, f7m5gy, su, edq, gzyq,