I totally agree with you that the 7M can be built very well
![Beer :beer:](https://board.marlincrawler.com/Smileys/marlin/beer.gif)
Also it's an inline 6 cylinder which I
![Love! :love:](https://board.marlincrawler.com/Smileys/marlin/love.gif)
Remember there is no replacement for displacement.
Yup, that's why the 3RZ is 673cc per cylinder and the 7M is only 492cc per cylinder (36% smaller
![Shocked! :o](https://board.marlincrawler.com/Smileys/marlin/shocked.gif)
)
The 3RZ would be a 4.0 liter 6-cylinder!! SA-WEET!
Many people also forget that the 5M is only 66cc larger overall than the 3RZ.
BigMike