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I'd simply repair the head and slap a good piston and rod assy out of the other engine into it after a light hone. Unless it has actually damaged the bore to a point you need to bore it? If the latter I'd just junk it and start again.

Forgies aren't worth the expence, you're not near the limit of the stock gear yet.

I can take some. It was pretty easy, on the back of the pump there is 6-10 big phillips head screws. use an impact driver to get them off, cover lifts off, gears slip out easy, put some vasoline on the new ones and slip them in. Loctite, and impact driver the cover back on.

he pressure was 110psi, as it was just running a normal N1 releaf spring. I will enlarge the oil restricers, and drop the pressure back to 65-75psi with the new engine.

Edited by sav man
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  • 2 months later...

Wrong heat range plugs, tip fell off and went through the engine. But after I pulled it down, it was apparent it was a time bomb. The machinest didn't seat the valves properly, and some were leaking, and the Bearings were very warn. Looks like it was a very high km engine

Wrong heat range plugs, tip fell off and went through the engine. But after I pulled it down, it was apparent it was a time bomb. The machinest didn't seat the valves properly, and some were leaking, and the Bearings were very warn. Looks like it was a very high race km NISMO engine

e85 all the way. Yep I got some of that good VHT alloy in a can, it's now super light. Why people paint their blocks black is beond me, it's 1000x easier to work on a light engine, cause you can see what your doing.

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