Re: GM Dealer Challenges the Toyota Tundra's Ads... AS BULL

Apr 02, 2007 0 Replies

To address the point, OHV is not the same referance as OHC. One can NOT build an OHC engine that does NOT have an OHVs. ALL OHC engines regardless of how many cams, by definition have overhead valves. As apposed to the old flat head engines that had BOTH the cam and the vales in the block. One can however build an OHV engine that does NOT have an OHC. The original OHV engines had the cam in the block and used push rods to activate the valves via the rocker arms.


mike



>> DOHC stands for double overhead cam, it refers only to camshaft placement
>> and has nothing to do with valve placement. There ARE 3 and 4 valve > engines
>> that use pushrods. I wouldn't be buying something based on terms I don't
>> understand, if I were you
>
> I wouldn't be pretentious about my understanding if I were you.
>
> My mistake came from reading Ford's erroneous web page.
> It's right there on the 4.6 L 24V V8 for the Mustang GT model. Clearly > says
> OHV.
>
> If you want to get on a highhorse about understanding, go make your gripes
> to those responsible for the error on the web page.

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