Highest compression on 91 pump gas

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August undefined, 2024

Web1 de jul. de 1999 · Fueling Up And Methanol MadnessI would like to know how much methanol I need to add to 91-octane pump gas to keep a 12.5:1 compression ratio motor from detonating.Some Midget racers from the '50s ... Web21 de mai. de 2003 · Discussion Starter · #1 · May 18, 2003. I would like some feedback on how high of compression you can go and still run pump gas. I was running 10.2 on my …

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Web1 de jul. de 1999 · Your engine will make more horsepower on methanol than on gasoline, although it will require about 1.7 times as much methanol as gasoline. Having said that, … Web1 de set. de 2002 · The key here is to give you one more tuning device you can use to dial in your engine to perform better. If your engine checks out with around 170 to 185 psi of cranking pressure, then you're ... crypto wrapped

Ask Away with Jeff Smith: Is 10:1 Compression Compatible with 91 …

Web26 de set. de 2011 · Keep the dynamic compression ratio under 9.5 and it will run on pump gas. Run a dynamic compression calculator. You will need the valve timing events and motor specs. That will dictate what works or not. 1999 GT 630rwhp on pump, TFS Heads, MMR 4.75L, Highly Modified Kenne Bell 2.1 @ 20lbs, Custom Intercooler, JLT High … Web9 de dez. de 2011 · JeffMcKC. Its will depend on how the camber is set up, timing curve, and cam shaft, and which pump you get your 93 octain out of each staion will have a … Web23 de mar. de 2006 · And if it makes Mike jmp1177 feel any better I too am running Edelbrock aluminum heads to get that break on pump gas with higher compression. I have two 55 drums of Sunoco racing gas in the barn to fall back on if I guessed wrong however so I try to be cautious. The devil has always been in the details. Larger Dave (BSIE) crypto worth mining

Compression Ratio and Octane Ratings: What You …

Highest compression on pump gas? 460 Ford Forum

Web5 de abr. de 2010 · Highest Compression piston on pump gas (91) Jump to Latest Follow 1 - 4 of 4 Posts. B. brent701 · Registered. Joined Feb ... Discussion Starter · #1 · Apr 5, 2010. Only show this user. I am going to redo the engine. and wanted to up the piston Compression but still run Pump gas. Web10 de abr. de 2024 · This is not a bad compression ratio for pump gas. Let’s say that you’d like to push that closer to 10:1. Our piston is pretty close to the deck at 0.005 inch so we can’t really put a steel shim head gasket on this engine because this will put our piston-to-head clearance too tight at around 0.020 inch. crystalarc lifestyleWeb4 de nov. de 2003 · I am running a new GM 350 engine. The listed compression ratio was 8.5-1. I installed AFR 190cc aluminum heads with 68cc chambers and straight plugs. AFR said my compression would be 9.6-1. However, since the engine came with the dished pistons the compression ratio is more likely around 9.1-1. The cam I installed is Comp … crystalarium crafting recipe

"Web23 de mar. de 2006 · And if it makes Mike jmp1177 feel any better I too am running Edelbrock aluminum heads to get that break on pump gas with higher compression. I … " - Highest compression on 91 pump gas

Highest compression on 91 pump gas

Ask Away: How to Figure Out Compression Ratio On an Engine …

Web5 de jun. de 2004 · All of my DD2k testing so far has been based on a 9.5:1 compression ratio. 9.5:1 compression is probably safe for 91 octane gas. But could I go up to 10:1 … Web18 de fev. de 2009 · What is the upper limit for a compression ratio to use with ... but since it's 30% cheaper at the pump, it works out about the same. Pir8Darryl, Feb 18, 2009. SHARE POST #7. Joined ... 6 psi, 12 degree initial adv. 36 degree total. With 91 pump gas it runs fine but I won't put 87 in it. mctim64, Feb 18, 2009. SHARE POST #8.

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Web23 de dez. de 2007 · I'm assuming you mean (regular) unleaded. That being the case I would say about 8.5:1 depending on timing. I did a bunch of research a few years back and the conclusion was that a good ballpark is to take the octane rating and directly correlate it to compression ratio. Example. 87 octane = 8.7:1, 89 octane = 8.9.1, 92 octane = 9.2:1, etc. Web14 de mai. de 2005 · There is no sence in fighting an octane/compression problem over 10-20HP on the street. You can EASILY find ET that 20HP would make by fine tunning the …

Web9 de jul. de 2001 · 10,475 Posts. #3 · Jul 5, 2001. I don't think it is possible to say a certain compression ratio is the absolute limit for an iron headed SBC. 9.5 to 1 is the rule of thumb. Sure you can get away with higher but then you have to be careful with quench, cam, piston type and things like that if you want to stay away from detonation. Web15 de dez. de 2011 · Call that sum “V large”. Then divide all that by the combustion chamber volume at TDC (top dead center), call that “V small”. So, you have (V large / V small) = Static compression ratio. As the name implies, it is a ratio of the large volume divided by the small volume. That’s all pretty straight forward.

Web7 de out. de 2006 · I would'nt go 13cpr relying on a water/alky/meth injection to keep you away from detonating when the highest octane pump gas is 92 octane in your area. … Web5 de abr. de 2010 · Discussion Starter · #1 · Apr 5, 2010. I am going to redo the engine. and wanted to up the piston Compression but still run Pump gas. At my level I do not see …

Web7 de abr. de 2010 · What would yall say a max "safe" compression ratio is for this combo at sea level with 91 octane? Reference info LS3 aluminum block (4.070" bore), 3.622" … crystalania elden ringWebOn a diet of 91-octane pump gas, the SR20DET engine consistently produces over 320 horsepower to the wheels. With the entrée switched out to some of VP Racing’s top racing gas blends, the same engine made over 90 more peak horsepower at the wheels. Understanding the science of race fuels will help you to pick the best blend for your vehicle. crystalarium refined quartzWeb12 de dez. de 2008 · 1,232 Posts. #8 · Dec 8, 2008. A tight quench will also keep things happy with higher compression and pump 91-93. Can actually run higher compression with proper quench than you can with it out in left … crypto wu300n driversWeb9 de mar. de 2007 · I've seen pump gas 10.5:1 with vortecs. 10.8 is asking a lot, but you have the advantage of the fast burning heads and you only need about 30* total … crystalarrays.comWeb21 de dez. de 2011 · Static compression ratio of 11:8:1. Effective stroke is 2.75 inches. Your dynamic compression ratio is 8.31:1 . Your dynamic cranking pressure is 167.00 … crypto wreckedWeb1 de nov. de 2011 · What is the highest amount of boost that I can (safely; conservative numbers) run (from a turbocharger) on 9:1 ... that I can run on a the engine with 9:1 compression AND 91 OCTANE PUMP GAS! Thank you for letting me know I skipped that. SLEEPER Pro Tuner. Points 592. 31 October 2011 #5 91 octane is going to seriously … crypto writer for hireWeb3 de jun. de 2006 · Fresno , Ca. I just got my 468 running. The compression is about 10.5 to 1. The cam is 231 239 550 575. Trans is a TH400 with an ATI converter 2,500-3,500 flash. My cranking compression is 175 pounds on the third stroke. I'm currently running 91 octane with 36 degrees of total timing. The car shuts down fine but it is a pile of crap to … crystalartcanvas.us