Highest dynamic compression for pump gas
Web16 de abr. de 2011 · For example a camshaft of 280 deg and a 106 deg intake centre line would give an IVC of 66 deg ABDC. The effective compression stroke for a 347 … Web5 de jun. de 2004 · Granny's 69. I was just wondering what compression ratio I can safely run without getting into detonation. Here's my proposed combo: - 625cfm 4bbl. carb. 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.
Highest dynamic compression for pump gas
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Web14 de mar. de 2011 · Highest compression ratio for 91 octane? Thread starter Castiel; Start date Mar 9, 2011; Toggle sidebar Toggle ... About 4 years ago I ran an iron headed 427 BBC with 10.5 to 1 on pump gas (93 octane Exxon was the only pump gas that would ... What matters is the dynamic compression, not so much the static compression … 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 …
Web12 de dez. de 2008 · Joe, it depends on your camshaft, stall speed, gears, and vehicle weight. In my particular case, although I have seen no signs of detonation on pump 93, … Web13 de mar. de 2012 · Rainer Kurz, in Compression Machinery for Oil and Gas, 2024. Dynamic Compressors. ... Air Conditioning and Heat Pumps (Fifth Edition), 2016. 4.14 …
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 … Web1 de mar. de 2013 · jimmyray said: I am actually running the combo I posted above, with the KB 2024's, 0.039 head gaskets, and the closed chamber Edelbrock aluminum heads. 236-242 @ 0.050 at .544 lift. 34 degrees total mechanincal timing, and a dynamic compression of 8.7, as per above. Cylinder pressures average around 180.
Web16 de abr. de 2015 · Joined Feb 10, 2005. 1,617 Posts. #8 · Apr 14, 2015. ChuckD396 said: Curious to know what the compression limit is for a 454 running on pump gas …
Web9 de mar. de 2007 · If you 'zero' deck the block and use -12cc dish pistons on, the 383, you will have about 10.3 static CR. My set up uses a 'zero' deck block, Speed Pro hyper … the plant teacher from wednesday actorWeb29 de nov. de 2012 · Nov 29, 2012 #8. I've read where folks have run as much as 11.2:1 on pump gas with aluminum heads but it looks like my final compression once stroked could be 11.4, 11.5 or even 11.78 depending on which gaskets we use. My elevation is 640 feet. The cam I run is 248/248 @ .050, .645/.645 lift (288R comp solid roller). side length of trianglesWeb29 de jun. de 2010 · user-9613590. Re: Max dynamic compression on 93 octane? by user-9613590 » Sun Jun 27, 2010 2:07 pm. Well,european 95 RON gas equals US 89 … the plant that ate dirty socks seriesWeb14 de set. de 2012 · Harley faces their air fuel ratio largely on the fact that they run a 14.7 to 1 air fuel ratio. If you run a richer air fuel ratio around. 13.5 to1. To go to a higher compression ratio with no problem. There are several things that determine the octane level required such as combustion chamber shape also contributes. the plant van nuys movie theater showtimesWeb23 de mar. de 2006 · There is tons of info here on this site if you search for "Dynamic Compression Ratio" E85 racer and E85 carb builder www.horsepowerinnovations.com ... 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. side lengths 30 60 90 triangleWeb21 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 … side lengths of an obtuse triangleWeb20 de jan. de 2005 · The more compression is bled off, the higher a compression ratio can be utilized on a given octane. The advance/retard and LSA of a cam also has an effect on the intake closing point. It's called Dynamic Compression Ratio. It's thought a DCR of around 8.25 to 8.5 is the max for pump gas with iron heads. Do a search on Dynamic … sideless gown