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Newbi with 70 Mach 1 351w 2bbl
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<blockquote data-quote="GeorgiaSnake" data-source="post: 13494124" data-attributes="member: 113703"><p>What you seem to suspect is valid. A decent 4 bbl intake and old stock 4 bbl heads or some after market heads. Remember the 351W is very close to a 302. Any 302 or 5.0 heads should work out. Another thing to note is that small block Fords do not like large flow carbs due to the head restrictions. Generally a 600 cfm carb is all you need if most things are stockish. Ford tended to use less than a 600 cfm carb on the engines from the factory. Now there are ways around this issue, the least costly of which is to buy a split spec cam. A cam with different lift/duration specs on the intake and the exhaust valves. This allows for the engine to breath better through the heads. Remember the timing/firing order is different on the 351W. Trivia: this is because the 351W was originally designed as a boat engine. You can use a 302/5.0 cam just note that if you do the firing order becomes what the 302 has and not what the 351W has. Good Luck</p><p></p><p>The Snake</p></blockquote><p></p>
[QUOTE="GeorgiaSnake, post: 13494124, member: 113703"] What you seem to suspect is valid. A decent 4 bbl intake and old stock 4 bbl heads or some after market heads. Remember the 351W is very close to a 302. Any 302 or 5.0 heads should work out. Another thing to note is that small block Fords do not like large flow carbs due to the head restrictions. Generally a 600 cfm carb is all you need if most things are stockish. Ford tended to use less than a 600 cfm carb on the engines from the factory. Now there are ways around this issue, the least costly of which is to buy a split spec cam. A cam with different lift/duration specs on the intake and the exhaust valves. This allows for the engine to breath better through the heads. Remember the timing/firing order is different on the 351W. Trivia: this is because the 351W was originally designed as a boat engine. You can use a 302/5.0 cam just note that if you do the firing order becomes what the 302 has and not what the 351W has. Good Luck The Snake [/QUOTE]
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Newbi with 70 Mach 1 351w 2bbl
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