Specifically, automobile engines; by which i mean V8 types.
Looking in google for about a week. No satisfying results.
Dear Mr. Krishnan,
It is extremely hard to find proper dimensioned drawings for V8 engines. Generally, you may want to purchase a caliper (as I did) and contact and auto-parts store or mechanic's workshop. They are generally very lenient and will allow you to find the measurements yourself. I would recommend looking at older engines for dimensions. Those are not hard to find. But, since you seem to want to use the internet, here you go: http://www.john-tom.com/IC%20Engines/WhittleV8/Whittle-V8%2010cc%20COMBINEDAdobe9.pdf