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Top 2GNT Technical Turbo/Nitrous Tech topic #31379
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Subject: "RPM's with stroker kit" Previous topic | Next topic
caliboy23Sep-17-02 05:29 PM
Member since Mar 03rd 2002
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#31379, "RPM's with stroker kit"


          

I was just wondering? When they upped the displacement in the howell stroker kit, was it done only in the size of the bore? Or is the stroke altered as well? I only ask because I can't help but notice those 2.5 liter 4 bangers that only get 6,000 RPM's out of them

97 GS. Use to flex full bolt-ons until my stuff got jacked. Waiting on my 50 state legal, no lag, bolt on, roots style supercharger from www.whipplesuperchargers.com emoji And when I do, meet me at the road course with your excuses at the door, and your

  

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ModeratorCorbinSep-18-02 12:44 AM
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#31380, "RE: RPM's with stroker kit"
In response to Reply # 0


          

I don't believe the 2.0l can gain much displacement by boring (thin cylinder walls). I believe the 2.2l stroker gains nearly all of its displacement by a longer stroke (hence the name "stroker"). With high performance internals, you should still be able to rev high. All else being equal, a longer stroke will increase piston velocities. Higher piston velocities increase the maximum tensile load on the rods. The maximum tensile load that a rod can support is often its limiting factor. Maximum RPM's are often reduced to reduce that maximum tensile load on a rod. I believe that performance aftermarket rods are strong enough that you don't need to worry too much about the revs.


Corbin

'95 ESI-T
HRC+FMIC+ETC...



Gimme fuel...Gimme fire...Gimme that which I desire

Corbin
'97 GSX dressed like a '95 ESi

  

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ultimarSep-18-02 12:49 AM
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#31381, "RE: RPM's with stroker kit"
In response to Reply # 0




          

I questioned this myself and found that they overbore the cylinder .04" and the Rod/Stroke ratio is 1.545. The increased stroke also places alot of stress on the cylinder walls. Should be ok up to 7k but I woundn't want to go higher than that.

98 RS M/T - CAI w/K&N Filter - AFX udp - 2.5" Catback Exhuast - Symborski Shift Kit - Energy Suspension Inserts -
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