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. Web14 de mai. de 2005 · What is the most compression I could run with a set of Edelbrock E-Tec 170cc heads (vortec style chambers) and not detonate on 92 octane? I figure with …
496 bbc compression on pump gas - Racingjunk Forums
Web14 de nov. de 2008 · Joined Dec 22, 2005. 9,515 Posts. #4 · Oct 22, 2008. A 496 BBC with budget OEM heads, solid 9 to 1 bottom end, and small single plane intake will make a rock solid 550 to 575 depending on if there was porting done to the heads and the use of a hyd roller camshaft. This is all done before 6400 rpm. Web1 de set. de 2002 · An engine's compression ratio is actually a theoretical number. This ratio compares the cylinder volume of the piston at bottom dead center (BDC) versus top … how many companies went bankrupt in 2018
BBC compression limit for pump gas? Team Chevelle
Web7 de jun. de 2013 · Pistons were set up .010-inch in the hole to keep the compression ratio at a pump-gas-friendly 9.0:1. Domed piston volume can only be estimated by the manufacturer, so Petralia sets the piston up in the bore to find the true dome volume to assist in calculating actual compression ratio. At .300 below deck, the dome measures … Web8 de jan. de 2012 · 375 Posts. Discussion Starter · #1 · Jan 2, 2012. Give me some recommendation for rebuilding 588 BBC from Flat tops currently to max comp you have … 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 … how many companies went bankrupt in 2022