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RWDboy
Forums Junkie

Location:
South Australia
Registered:
July 2002

Re: Worst ST162 ever : Update 5S-GE project	Sun, 16 May 2004 08:30

Hard to say what the benefits are really First I need to get a dyno chart for the standard 3S-GE so I'll do that soon enough. My guess is that I will have a higher compression ratio - hopefully around 9.9(±0.2):1 and there is also the slightly larger bore and capacity to take into acount. It'll probably came up to maybe a few kW extra up top and alot more torque (ST184s have 196Nm of peak torque as opposed to the ST162 172Nm). Having said that, I'm probably also going to modify the head a bit to give a bit more power up top (at the expense of a bit of low down torque) things like camshaft and valve ports, get some extractors and a CAI (keep panel filter) so I'm hoping to get close to 80-85kW at the front wheels and around 200Nm peak torque. As usual, you have to take into account how crap the ST162 ECU is...I may ditch that as well in favor of a programmable aftermarket item (I've always wanted to, just a question of money!). I'll post up the dyno chart of the 3S-GE when I get it done (hopefully in a few weeks). As I progress further I'll post up more dyno charts and details so as to get a quantitative comparison between the stock 3S-GE and the 5S-GE hybridy thing. First stage is just to get the bits to fit together (edit) p.s. As for the benefits over the Gen 2 3S-GE? Well, I have heard issues about fitting the Gen 2 intake manifold into the ST162 engine bay, so usually a Gen 1 manifold is used...I'm fairly sure that the gen 1 manifold is not as efficient as the gen 2 - so it's likely that a bit would be 'lost' out in the conversion (ie...won't quite get the full 117kW at the flywheel with the gen1/gen2 mix) Also, doing the gen 2 transplant might be more expensive (can't confirm that just yet, depends how well things fit together with the 5S-FE/3S-GE mix) as you would need a half cut or the whole engine and loom. I wouldn't say either way is better than the other though. I'm just trying something a little bit different (although it has been done before) to see how it turns out...if you never go, you never know - that sort of thing Once I'm done I'll let people make up their own minds about whether or not I wasted my money [Updated on: Sun, 16 May 2004 09:54] [Report message to a moderator]

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