Before you get too excited, a stroker kit like that will most likely reduce the redline, just like Spoon's stroker kit (2.2L) that reduces redline to 8400RPMs - any higher than that you'll risk seeing your pistons make 4 nice holes on your aluminum hood.

 

but in order to make the litre go up to 2.2 or 2.3 you have to make the sleeves for the pistons bigger, wont that make the walls thinner and crack the walls during heavy driving conditions?

 

maybe its just me...but i would never do a mod that lowered the redline.

the 9K redline is one of the many things i love about this car, and i would not want anything to change that!

 

[QUOTE]Originally posted by realthing
[B]how well known is this company?
I see the parts on people's cars all the time - (never any on engines), but are they particularly famous for their racing success?

 

strictly from a mathematical standpiont, if the engine still redlined at 9000, it would make 276 hp and 176 lb. ft. of torque ot the engine. but i stress those numbers are strictly from calculating hp/tq per liter.

 

You don't actually have to bore out the cylinder. You change the length of the rods and diameter of the crank to change the stroke.

I think if the components were say....titanium, you wouldn't have to worry about decreasing the redline.

Blake

 

It would appear that the increase in displacement comes entirely from increased stroke- no change in the barrels. Resulting increase in piston velocity would certainly reduce redline, so there may not be much HP gain. Mechanical advantage of the crank would increase, so torque could improve significantly. I would not count on optimal induction air or exhaust tuning with this mod, however, so it would be a good idea to see some valid dyno results before diving in. I'll look into gettiong the Japanese translated by a friend of mine who will be visiting.

 

i always though the best way to get more litre was to bore out the piston sleeves to make it bigger to fit the bigger pistons. i guess i was wrong.

 

I believe the S2000 cylinder walls are really thin in relation to each other, so there is not much room to bore them out. Usually when you go for a large increase in size, you do a little of both boring and stroking.

Blake

 

Stroker kit increase rod length but also raise the static compression.