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Nick's 1990 SW20, 316kws Woo!

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Mrskylighter
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RE: Nick's 1990 SW20, 316kws Woo! 2009/06/28 22:37:22 (permalink)
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There is definately areas for improvement if wanted to get some more power. With the quiet exhaust all you can hear is the turbo spooling like a jet engine. Sounds fantastic :)
quote:
Originally posted by mjbro10

Impressed you made such great power on a stock exhaust manifold and a conservative exhaust[:u]

-Totenkopf-
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RE: Nick's 1990 SW20, 316kws Woo! 2009/06/28 22:39:10 (permalink)
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Yeah, harden the freak up. My car made ~376RWKW

Not much scares me though, balls of steel I guess. My car certainly feels faster with less boost though, hooks up better. You'll get used to it soon mate ;) I lie, I gave it a bit of a clutch dip coming on boost in third gear and almost shat as it got substantially sideways.
Mrskylighter
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RE: Nick's 1990 SW20, 316kws Woo! 2009/06/28 22:45:07 (permalink)
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Did you use 98ron pump fuel for your 376rwkw?
If that was on pump, where did you get all that additional power over my setup which is similar? Same turbo etc.
Maybe mine has more in it???
quote:
Originally posted by -Totenkopf-

Yeah, harden the freak up. My car made ~376RWKW

Not much scares me though, balls of steel I guess. My car certainly feels faster with less boost though, hooks up better. You'll get used to it soon mate ;) I lie, I gave it a bit of a clutch dip coming on boost in third gear and almost shat as it got substantially sideways.


cazSW20
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RE: Nick's 1990 SW20, 316kws Woo! 2009/06/29 00:09:41 (permalink)
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Stop being such a weak kent and get an exhaust with decent flow on there and im sure you'll see higher numbers. :P

I thought Tote had a GT42R?
MCT_MR2
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RE: Nick's 1990 SW20, 316kws Woo! 2009/06/29 06:51:14 (permalink)
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nah, james has a gt35. He has a w2a setup with an ice box as well. His was done on pump fuel too.
kameleon
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RE: Nick's 1990 SW20, 316kws Woo! 2009/06/29 08:07:23 (permalink)
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I thought the 376was on race fuel?

-Totenkopf-
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RE: Nick's 1990 SW20, 316kws Woo! 2009/06/29 16:30:52 (permalink)
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nah, 376rwkw on pump.

22.5psi.

The power extra power, dunno. Maybe the tubular manifold frees up a bit of power. Don't know if the 4 channel CDI with COP would create much over an MSD setup. My stroker also has a smidgen (I think about 70cc's) more capacity over your regular stroker. I don't know to what extent your head was ported either. Mine has a fairly substantial port job.

Oh and your exhaust probably doesn't help your cause, though I dont think mine is as good as it could be either (its got ALOT of bends, and two magnaflow mufflers in series).

At the same time, yours probably has a bit more in it. I think you are on a walbro though, which will be limiting your power at this point.
MR2QIK
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RE: Nick's 1990 SW20, 316kws Woo! 2009/06/29 20:25:09 (permalink)
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Don't know what everyone's getting at here, cos Nicks car is running pretty much on the ball in my books. Freeing up the exhaust & going with a louder one will gain him between 10-15rwkw. Which pretty much brings you to the question, what would he want to do with 330-odd rwkw that he can't do with 316rwkw? He also seems to enjoy a more "quiet" MR2, which is what he's got. The ignition isn't robbing power, it's simply providing a stronger spark & eliminating any ignition breakdown (like Tots CDI is doing). His walbro isn't killing power either, since he hasn't mentioned any underfueling problems (if it were unable to hold a steady AFR the tuner definetely would've mentioned it), it's simply preventing him from using a racefuel with more timing/boost, something he wouldn't be using on the street anyway. Fact is, at 20psi & with its current tune on pump fuel, it's making 316rwkw (didn't want to make more) with adequate fueling & ignition. I'm sure the tuner would've tried giving it a bit more ignition timing, which would've resulted in minimal power gain & greater vulnerability to pre-ignition (detonation), so chasing for more in that department would be "greedy" & risk blowing the motor or cracking the block in future......All for the sake of making his already "scary" car a bit more scary. Just be happy with what it is Nick, for it's an awesome example of an MR2 already

About Tots 376rwkw, I'm not going to discredit it or anything, I just personally don't believe that it's got an extra 60rwkw from only 70cc, a slightly better flowing head & a smidgen more boost. There's no "magical" motors in this world. Don't take this the wrong way James, but I'm pretty confident that if these cars came head to head, there'd only be a difference of around 30-35rwkw. Take into account that even in the States, it takes E85 & 24psi to make 500rwhp from a similar setup (same turbo), & they're recording on disneydynojets!
Mrskylighter
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RE: Nick's 1990 SW20, 316kws Woo! 2009/06/29 20:40:31 (permalink)
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Thanks for that Jay!
Yep i'm totally satisfied with how it is now. Once you go back to a quiet exhaust after having a loud one for 6 years, its music to your ears.
My initial goal was 320-330kws with a minimum of 300. So at 316 it met my goals :)
All thats left to do is paint :)
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RE: Nick's 1990 SW20, 316kws Woo! 2009/06/29 22:11:26 (permalink)
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Yeah, I couldn't really care enough to get into an argument, no offense taken here. I personally think there could be a variance of up to 15-20kw between dynos. I don't think its too far off the mark. Same dyno, not too far apart Mark's car was flat out getting 400rwhp (ie, had to ring its neck) with methonal injection.

For a matter of fact, in shootout mode the dyno dynamics takes into account air temperature. Higher the air temp, the more correction it adds (and gives a higher figure). I haven't seen the graph for this car however I am assuming intake temps this time of the year would be much lower. Correction factor could cause a decrepancy with actual changes due to temperatures.

I never said the fuel pump was the reason he got that much power, I said it would limit him from being able to make much more. And no, ignition doesn't gain you power, it stops you from losing power which you would otherwise have with perfect ignition. In essence, compared to a tired ignition setup, this does gain you power.

I think if you take into account all the little things, a few psi more boost (probably 20-30 odd KW), restrictive exhaust system (if it is actually as restrictive as has been claimed, you'd get a bit more then 10-15kw from removing it. Ever seen what removing a cat on a hi-po car does, speaking of which, does he have one of these, as I dont. A highly restrictive exhaust on a hipo would yield similar results. You can get 10-15kw gain on a stock engine at stock boost with an aftermarket exhaust. Add in better exhaust manifold and I think he could easily gain another 40-50kw over his current output if he wanted to push it!

PS, the yanks seem to manage 500rwhp @ 20psi on a T67/GT3082 ;) Yeehar dynojet.
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RE: Nick's 1990 SW20, 316kws Woo! 2009/12/07 21:31:24 (permalink)
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nice car dude wish i had your mags
Mrskylighter
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RE: Nick's 1990 SW20, 316kws Woo! 2009/12/07 22:45:59 (permalink)
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Thanks mate!
Speak to 'Dylmrt' he supplied my rims.
He pretty much get you anything you want from Japan!
quote:
Originally posted by Frya

nice car dude wish i had your mags

Mrskylighter
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RE: Nick's 1990 SW20, 316kws Woo! 2010/06/27 20:42:36 (permalink)
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Been a while since I updated this thread :)
Got my hands dirty today and installed an ATS racing low temp thermostat to replace the faulty oem toyota one.
Car now happily sits at 84-85C regardless of whats going on. Weird that the 2000km oem one shat itself though. Was sitting around 92C.
Also replaced the climate control globes as one was burnt out.
Two time consuming jobs finished thank god :)

Going to put the car in for a full bushing replacement with new balljoints and tie rods. Should fix a slight clunk in the front right.
stuka
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RE: Nick's 1990 SW20, 316kws Woo! 2010/06/28 12:15:38 (permalink)
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does this mean its no longer for sale? please dont sell it...
Mrskylighter
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RE: Nick's 1990 SW20, 316kws Woo! 2010/06/28 12:33:20 (permalink)
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I did enjoy driving it yesterday, but its still for sale :)
Only installing those bits cause I have them sitting on the shelf.

If it doesn't sell in a few months i'll paint it.
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