Originally Posted By: BlueFlame292
efi-diy - You're 100% right - I'm attempting to make horsepower the hard way. I could probably find a used Atlas 4.2 and throw a pair of cams in it to make the same horsepower for less money. But sometimes that's not as rewarding as designing your own head/intake combo. Also, that engine wouldn't fit with the theme of my build (nostalgia). I definitely have a soft spot for these old inlines.


no cams needed upto 450hp - just add turbo + bigger injectors/tuneup...

Last edited by efi-diy; 01/31/17 06:12 PM.

51 GMC 4.2 turbo
Can't solved today's problems using the same technology/thinking that created them