Highest compression on 91 pump gas

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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 … Web21 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 PSI. Your dynamic boost compression ratio, reflecting static c.r., cam timing, altitude, and boost of PSI is 8.31 :1. V/P (Volume to Pressure Index) is 141.

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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. Web21 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 … diana build season 12

High Compression - LS1

Web6 de abr. de 2013 · I agree that 200-215 psi cranking compression is too high for California's 91 octane pump gas. And that is obviously confirmed by what you are experiencing. … Web5 de set. de 2008 · Building an engine for more performance often means raising the static compression ratio close to. 10:1, but keeping the effective compression ratio not much over 7:1. Anything lower gives up power. Anything much higher will not run at low speed with WOT on pump gas without detonating and destroying itself. 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) cis vat reverse charge explained

highest compression on pump gas?? - Hot Rod Forum

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Web9 de dez. de 2011 · 7,310 Posts. #14 · Dec 8, 2011. JeffMcKC said: 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 different blend. There is no set CR you can use, a 9to1 stock car motor can have 275 lbs of comp because of the camshaft and you cant run 93 in it. 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 … cis vcc-sxcxp1swWeb3 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 … cisv forlì

"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 … " - Highest compression on 91 pump gas

Highest compression on 91 pump gas

Safe compression ratio/aluminum heads? Team Camaro Tech

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 … WebAn octane rating, or octane number, is a standard measure of a fuel's ability to withstand compression in an internal combustion engine without detonating.The higher the octane number, the more compression the fuel can withstand before detonating. Octane rating does not relate directly to the power output or the energy content of the fuel per unit …

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Web14 de mar. de 2011 · Max safe comp ratio with 91 octane would about 10 to 1 but with a BBC it might be a bit lower around 9.5 to 1 as the iron heads on a big block are not all … 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 …

Web21 de mai. de 2003 · Joined Jan 13, 2002. 5,094 Posts. #6 · May 20, 2003. yeah you would have to be alot smarter than me to make your car run any higher compression. the guys in the phr engine masters challange had alot of engines with 13:1 and higher that all ran on pump gas. you're on the right track thinking about static and dynamic compression tho … Web12 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 …

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. Web19 de mar. de 2024 · Where it was once taboo to run 11:1 or even 10:1 on the street with pump gas, we're finding that a well-chosen combo (heads, cam, intake, etc.) can push the boundaries of acceptable compression ...

Web12 de dez. de 2008 · I have found that with a polished chamber, piston top and tight quinch around .040 I can run as much as 215 to 220 cranking compression on a BBF with 35 …

WebOn 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. diana build league of legendsWeb9 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 … cis vat reverse charge invoice templateWeb7 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" … cisva teaching careers in bcWeb10 de nov. de 2024 · The short answer to your question is that you should be able to run a small block with a 4.030-inch bore at that compression ratio on today’s rather poor pump … diana buchanan new mexicoWeb1 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 … cisv isereWeb5 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. diana build season 13WebThis is a discussion on High Compression within the Internal ... These engines are fairly easy to run on pump gas with 38 degrees of ignition lead if you have the fueling right. I built a vintage 427 L88 with ... 10.2:1 compression with a muther thumper camshaft and it runs effortlessly on 91 octane without a hint of complaining and 36 ... diana brushing her teeth