New guy here... With power problems!

[Guest flyZ]

Hello everyone! I'm new at the forum and I tried to find answers with the search but didn't find... And I need your help guys. I have 280 ZXi with lots of rust (not very well-known car around here) and while welding it together I've been thinking about the L-6 and what to do with it. It has F54 block with n42 head (haven't yet taked it to pieces) and I was wondering what would be the best way to produce approx. 250 hp (rear wheel) out of it. I can't use (or I can but those heads are expensive here) other head, just n42, so is it possible to supercharge (no turbo) with this head or should I stay NA? And what kind of mods do I have to make? This car is going to be my daily driver at the summer (at the winter we have time do trim for this classic! but also it would be nice thing if it would move like a sportscar...

[Guest Magnum Rockwilder]

Turbocharging it or installing a V8 will be the cheapest way to reach 250whp. Doing it with a n/a L28 will take a lot of time and money, and it won't be as streetable.

 

You can drop the compression by using a thicker head gasket and removing some material from the combustion chambers and piston crowns.

[datsunlover]

Well, yah a V8 or turbo is gona do it for sure.. but sticking with the L6.. 250 is possible but is that a number you just 'picked' to shoot for? Really, in a well setup Z (good suspension/brakes/ect) 200 horse is lots.. Shaved head, thiner head gasket, cam, port inntake and exhast manifold/header.. and there's the 'stroker' motor build up as well.. Guys have pulled 300+ hp out of the L6 (highly modified, yes) N/A.. but around 200-250 is doable and can still be streetable IMO.. like has been said, it'll take a bit of $$$.