Thread: Big bore VVL input needed

Its fairly easy to fit.

There's a few spots to grind. I will post pics when I assemble.

ahh sweet i thought i was going mad..

I am in the same boat as you. I figure one more year to finish my SE-R. If the convention comes to the NE my SE-R will be at the 2011 convention.

I'm almost posative my new set up will be running and tune early april so I'm planning on bringing it along w my rust bucket to the convention : ) !

what are your plans for the new set up? if you wish not to tell thats cool jus askking

Just big bore. Everything else staying the same. If you've followed my car or anything I've done you would probably have noticed I'm not the type to go all out and build something from scratch.

I like to find a hmble starting point and upgrade things in stages finding out exaclty how each change affects the curve and traps of the car. I like to try and learn as much as I can and gain expierence while making the changes.. so for now big bore. Then ill go into my head and do somethings, then someday when I feel the rest of the set up is up to par ill throwa stroker crank in the mix...

what is estimated gain going from 2.0l to 2.4l?

It will really depend on the head work of the build. With any na engine you will always be restricted by what the head can flow. This is why some na ve's on this forum are already putting out more than 40+ year old v8 with over double the displacement. Lucky for the big bore guys when you open the bore out you can achieve much more flow.

im with you on that im jus going big bore also after i have the block ready and i save up some money im going to do a nice overhaul on the head

380-390 cfm on the intake

268-280 cfm on the exhuast

These are the figures that were reached with the 2 heads we have for our builds. Re-spect and I both went over sized on vavles and had the cc machined to mimic a 90mm bore.

I will get the head specs from a friends k24 build to compare.