Apr 10, 2016 · The 400 ci engines definitely make more horsepower and torque compared to the smaller cube small blocks. It's not unreasonable to get 400+ HP from a SBC 400 with high flowing modern …

May 16, 2010 · I know when boring a block of any type there can at anytime be issues. Core shift, casting issues always play a part. A SBC 400 block going .040 over, 4.165 bore. Is there common …

Sep 7, 2010 · I wanna buy a bare 400 small block.Is there something I should look for?Cracked cylinders?What else?Are some casting numbers better then others?I want to...

Apr 20, 2011 · The stock 2 barrel 400 SBC has a 4.125" x 3.75" stroke. We do know your 400 is a small block and has a 4 barrel carb and manifold added. If it has been rebuilt, it probably has larger pistons …

Jun 10, 2007 · Hello, I have a 817 stock sbc 400. I'm looking to build a motor that capable of low 10's in my 71 Nova. First question, can this block handle the power and what are your suggestions for …

Nov 17, 2020 · Question for the professional builders: 400 small block, AFR heads without steam holes in them. Will this be a problem for a street car? A local midwest well-knwon race engien builder had …

Nov 16, 2008 · How did you get so lucky to start out with a Nova with a 400 small block ?? Talk about being born under a lucky star. Well i think when i have enough money and i start focusing on the …

Jun 6, 2011 · This thread is about how people can build lots of small block power for a lot less than most folks think. Sure the aftermarket manufacturers want us to believe their stuff is a requirement if you …

Mar 29, 2010 · I thinnk you maybe right because there are two, 400 block casting numbers: 330817 which is only 2 bolt main and used from 1972 to 1975+ and 39151509 which was found with both 2 …

May 22, 2007 · Hello, Duane is right I have built several 434s using stock Chev 400 blocks. It is not easy, and takes the right combination of parts, namely a good set of "stroker" rods and a small base …