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BlissStreet · 11-23-2010, 10:42 AM

Are you asking the difference between Big Block/Small Block? or Short Block/Long Block? It seems people often get the two crossed and confused.

A short block is the engine block plus rotating assembly. A long block is the short block plus the heads, valve train and the cam. You still need to add the accessories to a long block. Short block < Long block < Crate engine. One is a building block of the other. So they don't actually make 2, they are simply the differing levels of build for any engine.

Example: This is a short block. This is a long block. And this is a crate engine.

Hope that helps.

11-23-2010, 10:42 AM	#5
BlissStreet High Plains Drifter Drives: Captiva 3.2, Aveo 1.6 Join Date: Nov 2010 Location: JHB, RSA Posts: 122	Are you asking the difference between Big Block/Small Block? or Short Block/Long Block? It seems people often get the two crossed and confused. A short block is the engine block plus rotating assembly. A long block is the short block plus the heads, valve train and the cam. You still need to add the accessories to a long block. Short block < Long block < Crate engine. One is a building block of the other. So they don't actually make 2, they are simply the differing levels of build for any engine. Example: This is a short block. This is a long block. And this is a crate engine. Hope that helps. __________________ Some guys they just give up living \| And start dying little by little, piece by piece \| Some guys come home from work and wash up \| And go racin' in the street Not mah Flickah Mah Flickah Last edited by BlissStreet; 11-23-2010 at 10:53 AM.