WebFeb 14, 2008 · Both are excellent testers and are easily calibrated for specific materials. A thing that I have done is (on a JUNK block) to use a hole saw of about an 1 1/2 diameter and cut a hole from the side of the block through the cyl wall. It cuts pretty easily if you use a good quality saw. WebMar 11, 2024 · Building a 512, and not sure how thick the cyl walls are on the 400 block. Don't have a sonic tester, and the Block Shop doesn't either. So what to do? Never …
Engine Block Prep For Racing - Basic Procedures - MotorTrend
WebSep 13, 2005 · when sonic testing a SBC block (010 style if it matters), what is the limit you guys are giving for how thin is too thin, and where are the typical thin spots on these blocks? Talking about a 550HP, 13.5:1 steel head late model type engine. WebThe PR-8 Sonic Tester used in this article was obtained from Dakota Instruments. ... As a reference point, according to the 2000 GM Performance Parts catalog, the GM big block race engine has a hardness specification of 210 to 230 on the Brinell scale. In Bill Jenkins book , “The Chevrolet Racing Engine”, there is a picture of a block being ... tfnsw population projections
Sonic test results and questions - Don Terrill’s Speed-Talk
WebMar 1, 2008 · As far as thickness is concerned, a sonic test of both blocks proved the Boss 302 is far superior to a stocker. It will easily support bore sizes as big as 4.155 to 4.185 inches, despite Ford's... WebFeb 25, 2004 · The sonic tester allows you to determine exactly what you are dealing with in advance. It not only ensures you do not waste time and money machining up a block … WebNov 24, 2024 · Some blocks can take allot of over bore and others are borderline at .030 and .040. Back when AGAP (AKA nationwide engine rebuilders/ Signa Pro) was around my dad was the plant production manager. They would put 8 sleeves in any big block engine and standard or .010 pistons in and that was 20 years ago or more now. sylvac s dial work manual