Web19 de dez. de 2007 · Build it the way you want with 9:5 compression and if it doesnt ping your good to go but if it doese ping run some kemco booster and forget about it. Scott. SCOTT. 1969 CHEVELLE SS396,ORIGINAL #'S MATCH,GOT IN 1978, (In 2001 rblt/bored original 396 .030 to 402)/M20/12BOLT/3:31'S. Web22 de abr. de 2024 · The generally accepted conservative estimate is 8.0 to perhaps 8.5:1 dynamic compression ratio for 91 octane pump gas. This tends to be true for older, …
Highest compression ratio for 91 octane? AnandTech Forums: …
Web5 de mar. de 2009 · From what I understand 96 RON in Japan, should be about 91-92 here in the U.S. which uses a (RON + MON)/2 rating. All fuels here as supposed to have high MON ratings, which could mean while the number in RON is less, it might actually be a better fuel for reducing knock. Research Octane Number [RON] is a low speed, … Web14 de mar. de 2011 · Highest compression ratio for 91 octane? Thread starter Castiel; Start date Mar 9, 2011; Toggle sidebar Toggle sidebar. Forums. Social. The Garage . Castiel Golden Member. Dec 31, 2010 1,772 1 0. Mar 9, 2011 #1 Friend is considering building a N/A ... (93 octane Exxon was the only pump gas that would work) ... fill up your freezer
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Web16 de abr. de 2011 · What's the highest compression ratio you can run on pump gas (i.e. 93 octane)? With the pistons I have on my 347 I can get 10.9:1 with a 58cc combustion … Web30 de jun. de 2009 · 06-30-2009, 10:02 PM. Re: What octane to run in my ski. The 550 in my signature is pushing 200psi I am in the same boat. I don't know if I can get away with 91 octane. I prefer not to run race gas that is $7.50 a gallon. Any tips would help as well for me. JS550/650 conversion- ported (exhaust ports widdened 2mm, raised 1mm, transfers … Web19 de jan. de 2024 · We dialed in 30 degrees of total timing and ran the A/F ratio at 11.8:1. Run with 114-octane Rockett race fuel, the supercharged 383 produced 643 hp and 589 lb-ft of torque at 11.4 psi. After ... ground pipe clamp