 3sgte 4th |
 Apr 21, 2011 - 3:07 AM
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 Enthusiast  Joined Mar 4, '10 From Bronx NY Currently Offline Reputation: 3 (100%)  |
is the 4th gen 3sgte a strong engine...better power over the others?
-------------------- Always fast and going for the look......
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Replies
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May 7, 2011 - 8:57 PM
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 Enthusiast Joined Apr 18, '05 From Calgary Currently Offline Reputation: 20 (100%) |
initially i was just stating that taller pistons will affect the compression ratio w/o affecting the total volumetric displacement of the engine (1998cc) assuming both heads are the same. now that we know the rods and pistons are the same, then the difference is definitely in the head design. i believe Smaay's post about how head design having no effect on the CR is incorrect. by altering the head chamber, it will also alter the volume of the head chamber at TDC which also alters the CR. just to clarify, factors that affect the CR are the pistons, rods, crank (which alters the stroke), and even head gasket thickness. however, the total volumetric displacement of the engine (1998cc) remains unchanged as long as the bore and stroke remain unchanged.
delusionz, you're absolutely right in that you can have different cc's when using different generation heads. but just to be clear, the primer is referring to cc's as the volume in the head chamber, not the total volumetric displacement (1998 cc). -------------------- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- |
Posts in this topic
timdog1720 3sgte 4th Apr 21, 2011 - 3:07 AM
Cuts_the_Pilot Crank and pistons are the same, rods are made of c... Apr 21, 2011 - 6:15 AM
timdog1720 ok so why does it have more power????
QUOTE (Cuts_... Apr 21, 2011 - 6:27 AM cax_11 QUOTE (timdog1720 @ Apr 21, 2011 - 6... Apr 21, 2011 - 10:43 PM delusionz QUOTE (cax_11 @ Apr 22, 2011 - 3:43 ... Apr 22, 2011 - 1:25 AM cax_11 Check this site out if you don't agree http://... Apr 22, 2011 - 7:08 AM delusionz What I mean is that it's the head that makes i... Apr 22, 2011 - 11:04 AM azian_advanced actually, taller pistons cangive you the higher co... Apr 22, 2011 - 2:52 PM Smaay QUOTE (azian_advanced @ Apr 22, 2011 - 1... May 7, 2011 - 12:38 AM Cuts_the_Pilot Pistons are the same between 3rd and 4th, check to... Apr 22, 2011 - 8:16 PM azian_advanced if the pistons are the same, then the 4th gen rods... Apr 22, 2011 - 9:52 PM timdog1720 wow I started a good convo.... Apr 23, 2011 - 12:45 AM Cuts_the_Pilot Just heared from a reliable source that they are t... Apr 23, 2011 - 6:13 AM delusionz If pistons were taller using the same bore and str... Apr 23, 2011 - 9:13 AM azian_advanced QUOTE (delusionz @ Apr 23, 2011 - 9... May 4, 2011 - 4:03 AM easternpiro1 WOW... im late...
QUOTE (Cuts_the_Pilot @ Ap... May 4, 2011 - 2:11 AM PhoenixTech QUOTE (easternpiro1 @ May 4, 2011 - 3... May 4, 2011 - 3:14 PM easternpiro1 QUOTE (PhoenixTech @ May 4, 2011 - 3... May 6, 2011 - 4:14 PM brenton1919 QUOTE (easternpiro1 @ May 6, 2011 - 4... May 6, 2011 - 4:46 PM azian_advanced well what i meant was the locations of the pistons... May 7, 2011 - 8:04 AM Neon90424 Theres a guy that has a sick ST215 down here...As ... May 7, 2011 - 9:36 AM delusionz But didn't we already confirm Gen 3 and 4 use ... May 7, 2011 - 4:14 PM delusionz Yeah you're actually right about that,
moving... May 7, 2011 - 10:47 PM paul52 you are right.
the volume of the air/fuel when th... Jun 9, 2011 - 8:38 PM 3WayStunna While browsing the MR2 forums, there was also inte... Jun 9, 2011 - 11:51 PM |
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