I posted this on Stock’s Facebook page but got no response. Here are some facts for you to consider especially if you are running a stock bore. If you want to check my math displacement = (bore/2)squared, times Pi, times Stroke, times 2.
A stock 302 is 399.3ccs, a 20 over engine is 405.5ccs, and now a 30 over is 408.6 ccs. This makes the newly allowed 30 over motor 2.3% bigger! In racing this is huge. When you are straining to reach the first turn first would you rather have a 408cc engine or a 399cc engine? All things being equal the 408cc engine will be faster. Did the commission consider this huge difference they created? It seems a simple solution without causing this disparity would be to find a source for sleeves for the 302, such as LA Sleeve.
What are your thoughts?
John Adams
A stock 302 is 399.3ccs, a 20 over engine is 405.5ccs, and now a 30 over is 408.6 ccs. This makes the newly allowed 30 over motor 2.3% bigger! In racing this is huge. When you are straining to reach the first turn first would you rather have a 408cc engine or a 399cc engine? All things being equal the 408cc engine will be faster. Did the commission consider this huge difference they created? It seems a simple solution without causing this disparity would be to find a source for sleeves for the 302, such as LA Sleeve.
What are your thoughts?
John Adams
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