Quote:
Originally Posted by TexasChile
I disagree with everything you wrote above. There is no big weight or size disadvantage at all or all small cars would be using pushrod motors. You must live in a bubble. Look what all other cars are using. Why does GM use overhead cams in their 4 and 6 cylinder cars? Why not use push rods in the V6? I can tell you the answer. HP per cubic inch. You must be kidding about fuel economy. I guess Honda civics should be using push rod motors. Cost, long term reliability, etc.? Again, look at the Japanese economy cars. What are they using? Your arguments don't match up with reality or the facts or we would see the other manufactures using them. Your boat motor example is wrong too but I won't type a book on all of this. LOL.
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So then why did GM chose to stay with pushrods when they designed the new small block motor?