Well, look at the ol' Ford vs. Chevy... - Saab General Bulletin Board - Saabnet.com
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Well, look at the ol' Ford vs. Chevy...
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Posted by Richard P. (more from Richard P.) on Wed, 30 Jul 2003 05:52:40 Share Post by Email
In Reply to: OT: Pushrods V. DOHC, nick [Profile/Gallery] , Tue, 29 Jul 2003 17:08:39
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Take for example, two of the highest performance natually aspirated pony cars of late. I got these figures from edmunds.com (keep in mind, that there is a Z28 SS that makes 320hp for this year and I'm not sure of the torque numbers). So, if you look at these numbers, I don't see an overall advantage of one over the others for these engine configurations, do you? Also, keep in mind that now, Chevy, makes a 405hp version of this engine in the Corvette and Ford added a S/C to the engine to make 390hp in the Mustang. So after 60 or more years, we haven't reached a ceiling for the pushrod configurations and after almost 100 years, the DOHC hasn't either. Neither one has been a technical leap over the other. Having said all of this, I think it depends on what you want out of a V configuration, but in an inline engine, DOHC makes sense.

RP


2001 Ford Mustang Cobra
Base Engine Size: 4.6 liters
Base Engine Type: V8
Horsepower: 320 hp @ 6000rpm
Torque: 317 ft-lbs. @ 4750rpm
MPG 18/25 (city/highway)

2001 Chev Z28
Base Engine Size: 5.7 liters
Base Engine Type: V8
Horsepower: 310 hp @ 5200 rpm
Torque: 340 ft-lbs. @ 4000 rpm
MPG 19/28 (city/highway)





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