Highest compression on 91 pump gas

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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. Web29 de dez. de 2010 · I'm lookin' at getting a 383 stroker for my pickup. What is the max compression ratio to still be able to run on 91 octane pump gas? What would the best cam be for low-end torque? Should I use vortec heads? P.S. What type of fuel economy would I get with overdrive?

Compression Ratio and Octane Ratings: What You …

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, … Web3 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 … dancing bee port hope

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

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 … 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" … 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 … dancing bees farm

highest compression on pump gas?? - Hot Rod Forum

9:1 compression with boost? TorqueCars Car Forums

Web9 de jul. de 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 … dancing bees book pdf downloadWeb23 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. dancing beethoven

"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

What is the MAXIMUM C.R. for Iron Heads and Pump Gas

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 … 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 …

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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 ... 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 …

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. 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 …

WebThis 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 ... 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.

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.

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 ... bir form certificate of registrationWeb16 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 … bir form for change of employer addressWeb23 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) bir form for applying tin numberWeb21 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 … dancing bees honey farmWeb9 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 … dancing bee suppliesWeb5 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. dancing bees port hope ontarioWeb21 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. dancing beetle gif