 Why can't we turbocharge a 3s-ge?, Compression ratio related |
 Jun 26, 2011 - 10:46 PM
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 Enthusiast  Joined Dec 9, '08 From Blainville Currently Offline Reputation: 4 (100%)  |
I know that the 3s-ge engine has a higher compression ratio than the 3s-gte (which I guess means that the pistons' head are thiner right?), but what does it change so that we can't (or shall not) turbocharge the 3s-ge?
Is it because it would (I don't know) be too much compressed exhaust gases for the turbo to hold? BTW: what does the last number in the compression ratio mean? (Like in 10:3:1) This post has been edited by dudeofchaos: Jun 26, 2011 - 10:51 PM |
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Jun 27, 2011 - 1:00 AM
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 Enthusiast Joined Feb 11, '08 From Auckland, New Zealand Currently Offline Reputation: 0 (0%) |
a turbo compresses air so when calculating compression total we have to factor in both.
like for example a compression test on my 3s-gte with 8.5:1 came up roughly 170 - 180 which is good, a 3sge beams with 11:1 ratio comes up close to 200psi. our 3sgte motors are generally capable of around 18psi boost. -------------------- Mike W
1996 Toyota Celica ST205 GT-FOUR GT2860RS turbine, TiAL mvr44, JE 86.5φ piston, Clutchmasters FX400, APEX P-FC 269awhp / 273ft-lbs |
Posts in this topic
dudeofchaos Why can't we turbocharge a 3s-ge? Jun 26, 2011 - 10:46 PM
808celica its cheaper just buying a 3sgte.
high compression... Jun 26, 2011 - 11:09 PM
malpaso QUOTE (808celica @ Jun 27, 2011 - 6... Jun 28, 2011 - 2:22 AM
lankyalien QUOTE (808celica @ Jun 27, 2011 - 12... Aug 15, 2011 - 11:48 AM azian_advanced it's written 10.3:1. it means the total volume... Jun 26, 2011 - 11:16 PM dudeofchaos That pretty much helps me, thanks guys! Jun 27, 2011 - 10:57 AM Smaay here we go again....there is nothing wrong with bo... Jun 27, 2011 - 11:35 AM dudeofchaos I'm not planning to do so (well... I guess not... Jun 27, 2011 - 2:19 PM richee3 The 4th generation 3S-GE BEAMS has a higher compre... Jun 27, 2011 - 5:16 PM 3WayStunna Wow alot of one sided responses and generic answer... Jun 29, 2011 - 1:54 PM dudeofchaos Well I never said I wanted to swap in a turboed 3s... Jun 29, 2011 - 2:08 PM Keiri QUOTE (dudeofchaos @ Jun 29, 2011 - 3... Jun 29, 2011 - 2:57 PM BonzaiCelica here are some force induction threads on 4th gen 3... Jun 29, 2011 - 3:50 PM Neon90424 I thought the VVTi also played a part in the nonbo... Jun 29, 2011 - 4:45 PM BonzaiCelica QUOTE (Neon90424 @ Jun 29, 2011 - 4... Jun 29, 2011 - 4:51 PM richee3 QUOTE (BonzaiCelica @ Jun 29, 2011 - 4... Jun 30, 2011 - 4:34 PM Rusty QUOTE (BonzaiCelica @ Jun 30, 2011 - 9... Jul 1, 2011 - 2:32 AM Edophus learn about dynamic compression guys, longer durat... Jun 29, 2011 - 8:52 PM delusionz QUOTE (Edophus @ Jun 30, 2011 - 1:52... Jun 30, 2011 - 6:09 PM 3WayStunna QUOTE (Edophus @ Jun 29, 2011 - 8:52... Jun 30, 2011 - 6:36 PM BonzaiCelica soo running 95 ron on a 3rd gen 3sgte is better th... Jun 29, 2011 - 10:10 PM delusionz the bottom line is, if you started with a 3sge, a ... Jun 30, 2011 - 7:13 PM Neon90424 Would the VVTi be controled by the aftermarker com... Jun 30, 2011 - 11:03 PM BonzaiCelica QUOTE (Neon90424 @ Jun 30, 2011 - 11... Jun 30, 2011 - 11:27 PM BonzaiCelica Bonzai, I dont understand your last comment, but y... Jul 1, 2011 - 3:25 AM delusionz Beams head on my engine would be cool, but very do... Jul 1, 2011 - 6:59 AM delusionz with a turbo you would lower the vvti solenoid eng... Jul 1, 2011 - 7:03 AM 3WayStunna QUOTE (delusionz @ Jul 1, 2011 - 7:0... Jul 1, 2011 - 7:26 AM Edophus vvti doesnt kick in, the i on the end means its al... Jul 2, 2011 - 7:06 PM delusionz edofus i bet a 3sge unbuilt would max out somewher... Jul 5, 2011 - 10:54 AM Edophus QUOTE (delusionz @ Jul 5, 2011 - 4:5... Jul 15, 2011 - 7:57 AM delusionz QUOTE (Edophus @ Jul 16, 2011 - 12:5... Jul 18, 2011 - 8:50 PM brenton1919 yes the compression is to high to boost. u can boo... Jul 2, 2011 - 8:11 PM Neon90424 I think we all GET that boosting on a high compres... Jul 2, 2011 - 10:29 PM delusionz All this vvti stuff and high compression stuff and... Jul 5, 2011 - 11:07 AM delusionz The only real advantage of high compression small ... Jul 5, 2011 - 11:11 AM ST205WRC so im possibly about to embark on this journey. i ... Jul 16, 2011 - 1:54 AM 3WayStunna Nope the NA 3rd gen 3sge doesent have squirters at... Jul 16, 2011 - 2:51 AM Edophus i'm pretty sure na 3s-ge's do have oil squ... Jul 18, 2011 - 4:04 AM 3WayStunna Well then, i stand corrected on the oil squirters ... Jul 18, 2011 - 4:47 AM Edophus QUOTE (3WayStunna @ Jul 18, 2011 - 10... Jul 18, 2011 - 5:41 AM ST205WRC yeah my bad its an ST202 A/T with ACIS. its a POS ... Jul 18, 2011 - 6:43 AM Edophus QUOTE (ST205WRC @ Jul 18, 2011 - 12... Jul 18, 2011 - 7:06 AM 3WayStunna Man i wish EAZY was here. he would be able to answ... Jul 18, 2011 - 5:29 PM Neon90424 I kept trying to tell everyone about changing the ... Jul 18, 2011 - 7:38 PM 3WayStunna QUOTE (Neon90424 @ Jul 18, 2011 - 7... Jul 18, 2011 - 8:45 PM delusionz The real question isn't Why can't we turbo... Jul 18, 2011 - 8:55 PM 3WayStunna Think that both questions have been answered more ... Jul 18, 2011 - 9:54 PM Rusty The 2nd Gen 3sgte had TVIS. Also the ACIS manifold... Jul 20, 2011 - 4:57 AM Edophus well the original questions was what is it about t... Jul 20, 2011 - 5:04 AM delusionz While were at it ditch the rubbish intake/exhaust ... Jul 20, 2011 - 5:51 AM Neon90424 just boost an altezza Jul 20, 2011 - 8:54 AM malpaso QUOTE (Neon90424 @ Jul 20, 2011 - 3... Jul 21, 2011 - 3:48 AM ST205WRC not to offend any one that has commented on this t... Jul 21, 2011 - 7:40 AM 3WayStunna QUOTE (malpaso @ Jul 21, 2011 - 4:48... Jul 21, 2011 - 10:40 PM mkernz22 Not to try and compare it to Honda's, but isn... Jul 21, 2011 - 10:52 PM delusionz except, you'd launch at an rpm higher than the... Jul 21, 2011 - 11:12 PM 3WayStunna While reading up on both systems, ive read that VT... Jul 22, 2011 - 1:07 AM Rusty Variable Length Intake Manifold (with info regardi... Jul 22, 2011 - 4:03 AM Edophus QUOTE (Rusty @ Jul 22, 2011 - 10:03 ... Jul 22, 2011 - 7:39 AM delusionz Greddy do a kit for the altezza, with turbo, manif... Jul 22, 2011 - 4:38 AM delusionz the main thing with the blacktop is figuring out w... Jul 22, 2011 - 8:34 AM 3WayStunna EDIT: have also read that an easier way to overcom... Jul 23, 2011 - 1:53 AM 3WayStunna Found some more info whilst parusing the net. Seem... Jul 23, 2011 - 1:45 AM Rusty however with the gen 2 3sge, may require you to co... Jul 23, 2011 - 3:31 AM Edophus the st205 blocks were revised at some point due to... Jul 23, 2011 - 5:43 AM delusionz QUOTE (Edophus @ Jul 23, 2011 - 10:4... Jul 23, 2011 - 5:59 AM Edophus QUOTE (delusionz @ Jul 23, 2011 - 11... Jul 23, 2011 - 6:20 AM delusionz then what is it you hear "kicking in" on... Jul 23, 2011 - 7:11 AM Edophus QUOTE (delusionz @ Jul 23, 2011 - 1... Jul 23, 2011 - 7:37 AM Neon90424 all this talk of vvti is starting to turn me on, c... Jul 23, 2011 - 12:21 PM Edophus QUOTE (Neon90424 @ Jul 23, 2011 - 6... Jul 23, 2011 - 2:37 PM 3WayStunna Are the injectors on the redtop beams top feed/sid... Jul 24, 2011 - 1:08 AM Rusty info regarding ST205 thick or thin block
Would ... Jul 24, 2011 - 3:54 AM Edophus QUOTE (Rusty @ Jul 24, 2011 - 9:54 A... Jul 24, 2011 - 6:14 AM 3WayStunna WOW rusty that is some awesome info you posted up ... Jul 24, 2011 - 5:52 AM ST205WRC we really need to stop with this thread all its ma... Jul 26, 2011 - 7:04 AM 3WayStunna Dude im there....already speccing out my 3sge buil... Jul 26, 2011 - 9:01 AM Rusty found some info on an altezza forum
QUOTE Other no... Jul 28, 2011 - 2:55 AM 3WayStunna QUOTE (Rusty @ Jul 28, 2011 - 3:55 A... Jul 28, 2011 - 7:02 AM Edophus cant really read anything into those power figures... Jul 28, 2011 - 7:02 AM Edophus next to the oil filter on the blacktop is a series... Jul 28, 2011 - 7:15 AM 3WayStunna Ahh thanks for clarifying that edophus...makes mor... Jul 28, 2011 - 7:28 AM Edophus QUOTE (3WayStunna @ Jul 28, 2011 - 1... Jul 28, 2011 - 7:58 AM ST205WRC @3way the TODA 268 IN cam doesnt say you cant use ... Jul 28, 2011 - 7:42 AM 3WayStunna Looks like it can. Ive looked into it for a bit on... Jul 28, 2011 - 7:55 AM 3WayStunna Its not necessary. Here in a few months ill have h... Jul 30, 2011 - 1:55 AM 3WayStunna Alright ealier i posted that the blacktop might be... Jul 31, 2011 - 10:25 AM Edophus 3way here is a pic of the blacktop before i droppe... Aug 11, 2011 - 5:01 AM 3WayStunna Edophus very helpful picture. Never new you were r... Aug 11, 2011 - 5:34 AM ST205WRC so basically stay with the red top for the 6th gen... Aug 11, 2011 - 8:07 AM Edophus the blacktop intake valves are 35mm vs 34.5mm for ... Aug 11, 2011 - 10:06 AM delusionz woah, supercharger and carbon fibre intake on a 3s... Aug 16, 2011 - 11:27 PM fgvillegas If you were to turbocharge a 3rd gen 3sge in 2 dif... Aug 24, 2011 - 11:09 PM fgvillegas I hope someone can shed a light on this. I'm p... Sep 2, 2011 - 6:37 AM Neon90424 supercharge it with stock internals. bam! Sep 2, 2011 - 10:10 PM fgvillegas QUOTE (Neon90424 @ Sep 2, 2011 - 10... Sep 3, 2011 - 9:04 PM Neon90424 it might be a good idea but in the end supercharge... Sep 3, 2011 - 10:11 PM 3WayStunna There is also the rotrex line of superchargers....... Sep 4, 2011 - 2:10 AM |
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