Editing Chevrolet big-block engine (section)

==Aftermarket==
Many custom engine builders across the United States, as well as a large variety of aftermarket components manufactured for the big-block family, make it possible to build a complete big-block engine that contains no Chevrolet components. Blocks made of both iron and aluminum alloys, for many different purposes{{snd}}e.g. street-use, racing, etc.{{snd}}are available in stock or modified configurations, as well as with increased deck height to allow for a longer stroke or more favorable rod length ratios, depending on intent, providing the ability to make engines with capacities of {{convert|632|CID|L|1|adj=on}},<ref>{{cite web |title=632 Big Block Chevy UltraStreet Big Dawg Twisted SR20 Crate Engine |url=http://www.shafiroff.com/chevy_crate_engines/632_bigdawg_twisted_sr20.php |website=Shafiroff Racing |access-date=April 19, 2015 |archive-url=https://web.archive.org/web/20150419082202/http://www.shafiroff.com/chevy_crate_engines/632_bigdawg_twisted_sr20.php |archive-date=April 19, 2015 |url-status=dead }}</ref> {{convert|798|CID|L|1|adj=on}},<ref>{{cite AV media |title=798 cubic inch big block chevy: first start up of the 798 cid engine in the 66 chevelle |url=https://www.youtube.com/watch?v=rDIPIQp3B5k |archive-url=https://ghostarchive.org/varchive/youtube/20211222/rDIPIQp3B5k |archive-date=2021-12-22 |url-status=live|type=Video |via=YouTube |website=YouTube |access-date=October 9, 2019}}{{cbignore}}</ref> and as large as {{convert|1005.8|CID|L|1|adj=on}}.<ref>{{cite web |title=1005.8ci Godfather Big Block Engine – The Biggest Rat Ever! |url=http://www.hotrod.com/articles/1211sr-1005ci-godfather-big-block-engine/ |website=HotRod |date=November 2012 |access-date=February 16, 2017}}</ref>