# Most over-rated car and most under-rated car??

**URL:** https://forums.speedlife.net/t/most-over-rated-car-and-most-under-rated-car/1485
**Category:** NYSpeed Automotive
**Created:** [August 12, 2005, 1:09pm UTC](https://forums.speedlife.net/t/most-over-rated-car-and-most-under-rated-car/1485 "2005-08-12T13:09:31Z")
**Posts on this page:** 1
**Showing post:** 69

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### Author: ![NHRATA01](https://avatars.discourse-cdn.com/v4/letter/n/7c8e57/32.png) [@NHRATA01](https://forums.speedlife.net/u/NHRATA01)
#### Post date: [August 15, 2005, 4:09pm UTC](https://forums.speedlife.net/t/most-over-rated-car-and-most-under-rated-car/1485/69 "2005-08-15T16:09:38Z")

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> [@Zer0DazE](#):
>
> so you’re telling me honda didnt use a hemi head in there 4th and 5th gen civics (with 4 valves per cylinder), and then switched to a pent roof?
> 
> there are better chamber designs.

Eh? Since when was the B series a hemi head?

I do remember reading that BMW did a true hemispherical 4 valve head for a race motor but the valvetrain was pretty complex.

Problem with a hemi head is you have to run a pretty good domed piston to make up for the huge cc’s. But since you can stick big valves in there, the flow numbers are impressive. A good reason why the old Mopar 426 hemi’s were such great circle track motors, though not the best for the street.

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