1NZ-FE specs - Page 3 - Scionlife.com


Scion xA/xB 1st-Gen Drivetrain & Power Engine and transmission discussions...

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Old 11-04-2004, 10:45 PM   #41
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eric and risin sun,
very interesting, thxs fellows.
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Old 11-30-2004, 12:47 AM   #42
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Quote:
Originally Posted by eric m.
...the gear ratios for the auto are totally different.
i did not post any automatic tranny specs since i figured people
with that transmission are not into performance or technical information. sorry.
What!
Not true at all. Just because we have an Auto
doesn't mean we are not into performance or technical information.

Remember, you *can* shift an automatic, you just don't have to.
If you have the info on the auto, please share.

BTW: thanks for the great info!
:D
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Old 11-30-2004, 03:49 PM   #43
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Anyone know if this block is Open or Closed Deck? If closed deck then getting lower compression pistions would be a good option, no need for re-sleeving.

I'm debating wether or not to do up my Echo (05 Echo hatch that I bought as my daily driver/winter beater ;) ) Or to just keep building my Civic.

Civic is a great platform for a fast car however, I REALLY like the Echo and I think I rather do this up but it being a new car and not many people modding them (hardcore engine mods) is a little scary for me.

It's so "cookie cutter" on the Civic to get good power.

This engine is good, 1.5L DOHC with the technology it has..a lot of people have 200-300whp in the 1.6L SOHC honda motors or even the 1.5L SOHC Vtec JDM honda motor.

Let's get some people develloping engine parts!!
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Old 12-28-2004, 09:26 PM   #44
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Quote:
Originally Posted by randode
heres an internal view of the 1NZ-FE engine
I have to agree. The specs are awesome and one of the reasons I bought the car. The actual performance is more comparable to the illustration. LMAO
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Old 12-31-2004, 07:51 PM   #45
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Quote:
Originally Posted by Risen_Son_Racing
How to improve the performance on the NZ engine? Specs as repeated from above:
Quote:
1495 cubic centimeters
-75.0mm bore
-84.7mm (3.33-in) stroke
<snip>
-the 1NZ-FE 1.5-L puts out 81 kW (110 hp) at 6000 rpm and 143 Nm (105 lbft) at 4200 rpm.
Probably the best thing to do would be to scrap it and start from a clean slate. Here, lets compare to another, common small engine:

1299cc
-81.0mm bore
-63.0mm stroke
-11:1 compression ratio
-129kW (175hp) at 9800rpm
-141Nm at 7000rpm

You'll note that the torque is quite close to the 1NZ-FE while the horsepower is significantly higher even though it's 200cc smaller. So, why can't Toyota design an engine like this? Suzuki several ago, and now some 1.0L engines are at about this level of horsepower. Yeah, I know emissions are much more lax on motorcycles, but I still think there's lots of room for improvement.

Of course, it's not performance that draws us to the Scions. I want an xB in spite of it's unexciting engine.
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Old 02-27-2005, 11:05 PM   #46
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Quote:
Originally Posted by Darcane
Quote:
Originally Posted by Risen_Son_Racing
How to improve the performance on the NZ engine? Specs as repeated from above:
Quote:
1495 cubic centimeters
-75.0mm bore
-84.7mm (3.33-in) stroke
<snip>
-the 1NZ-FE 1.5-L puts out 81 kW (110 hp) at 6000 rpm and 143 Nm (105 lbft) at 4200 rpm.
Probably the best thing to do would be to scrap it and start from a clean slate. Here, lets compare to another, common small engine:

1299cc
-81.0mm bore
-63.0mm stroke
-11:1 compression ratio
-129kW (175hp) at 9800rpm
-141Nm at 7000rpm

You'll note that the torque is quite close to the 1NZ-FE while the horsepower is significantly higher even though it's 200cc smaller. So, why can't Toyota design an engine like this? Suzuki several ago, and now some 1.0L engines are at about this level of horsepower. Yeah, I know emissions are much more lax on motorcycles, but I still think there's lots of room for improvement.

Of course, it's not performance that draws us to the Scions. I want an xB in spite of it's unexciting engine.
Well one problem with that is that a car that reaches its peak torque at 7000 rpm is going to be irritating as f*ck to drive and pretty worthless. Add to that the big bore and short stroke and you've got a formula for a car that will sit on its ___ off the line and be annoyingly slow to drive unless you flog the crap out of it, then by the time you finally reach the RPMS where a normal car should be redlining, you get a sudden kick in the ___.

In a word, it would suck.
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Old 03-08-2005, 06:52 PM   #47
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Quote:
Originally Posted by Rion
Quote:
Originally Posted by Darcane
Quote:
Originally Posted by Risen_Son_Racing
How to improve the performance on the NZ engine? Specs as repeated from above:
Quote:
1495 cubic centimeters
-75.0mm bore
-84.7mm (3.33-in) stroke
<snip>
-the 1NZ-FE 1.5-L puts out 81 kW (110 hp) at 6000 rpm and 143 Nm (105 lbft) at 4200 rpm.
Probably the best thing to do would be to scrap it and start from a clean slate. Here, lets compare to another, common small engine:

1299cc
-81.0mm bore
-63.0mm stroke
-11:1 compression ratio
-129kW (175hp) at 9800rpm
-141Nm at 7000rpm

You'll note that the torque is quite close to the 1NZ-FE while the horsepower is significantly higher even though it's 200cc smaller. So, why can't Toyota design an engine like this? Suzuki several ago, and now some 1.0L engines are at about this level of horsepower. Yeah, I know emissions are much more lax on motorcycles, but I still think there's lots of room for improvement.

Of course, it's not performance that draws us to the Scions. I want an xB in spite of it's unexciting engine.
Well one problem with that is that a car that reaches its peak torque at 7000 rpm is going to be irritating as f*ck to drive and pretty worthless. Add to that the big bore and short stroke and you've got a formula for a car that will sit on its ___ off the line and be annoyingly slow to drive unless you flog the crap out of it, then by the time you finally reach the RPMS where a normal car should be redlining, you get a sudden kick in the ___.

In a word, it would suck.
That sounds just like a S2k....hum....we should try it...

If you want performance then you must sacrafice something, and that usually is drivability.
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Old 03-21-2005, 04:14 AM   #48
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I agree thanks for the information.
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Old 06-09-2005, 02:44 AM   #49
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nice talk
Good info
An extra engine to modify would be awesome
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Old 06-09-2005, 04:06 AM   #50
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Old 07-07-2005, 02:08 PM   #51
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So to n.a tune the internals of 1NZFE is like nearly impossible???
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Old 07-18-2005, 01:41 AM   #52
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Quote:
Originally Posted by Darcane
Quote:
Originally Posted by Risen_Son_Racing
How to improve the performance on the NZ engine? Specs as repeated from above:
Quote:
1495 cubic centimeters
-75.0mm bore
-84.7mm (3.33-in) stroke
<snip>
-the 1NZ-FE 1.5-L puts out 81 kW (110 hp) at 6000 rpm and 143 Nm (105 lbft) at 4200 rpm.
Probably the best thing to do would be to scrap it and start from a clean slate. Here, lets compare to another, common small engine:

1299cc
-81.0mm bore
-63.0mm stroke
-11:1 compression ratio
-129kW (175hp) at 9800rpm
-141Nm at 7000rpm

You'll note that the torque is quite close to the 1NZ-FE while the horsepower is significantly higher even though it's 200cc smaller. So, why can't Toyota design an engine like this?
They could, but why? How about this combination:

599cc four cylinder 16 valve
109bhp @ 12500rpm. Torque 63Nm @ 10000rpm

(it comes bolted into a Honda CBR600)

Yep, it makes the same HP as our stock Scion engine with less than half the displacement!

Would I want to drive it? No way! Having to row an 8-speed gearbox to keep the thing on its narrow powerband would be a colossal pain! Perhaps the coffee-can exhaust crowd might like it for the sound, but as a driver, forget it. I don't even like to take my xB past 5000RPM.

Small high-revving engines works fine in a motorcycle application because the rider seldom needs 100+ horsepower, but in an automotive application the driver would call upon the full capability more often.

Other vehicles have made the mistake of using high-revving engines. Both the Ford Taurus SHO (Yamaha engine) and Toyota's own Matrix XRS turned out to be disappointingly pokey unless their drivers were willing to scream the engines.

Remember that the Scion was designed as a urban vehicle for Japanese streets, using as many of the original Echo drivetrain as possible. Yes, we got a very close-to-JDM vehicle here, but we got some JDM disadvantages as well!

There is no substitute for cubic inches.
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Old 10-05-2005, 06:36 PM   #53
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what would you need to do to remove the vvti? and put in some lumpy cams?

would that not be better?
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Old 11-29-2005, 04:21 PM   #54
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What is the Final drive ratio on the Manual XB?
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Old 01-01-2006, 05:30 AM   #55
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Quote:
Originally Posted by Yaris_WRC
what would you need to do to remove the vvti? and put in some lumpy cams?

would that not be better?
No it would not be better.

That is the entire point of valve timing. To eliminate the compromises forced by choosing cams for low, mid or high RPM power.

If you wanted to make it better, then they could have VVT-i on both cams, or upgrade to VVTL-i. A VVTL-i 1NZFE could probably make closer to 130 hp without sacrificing a significant amount of fuel economy (if any) but it's cost prohibitive in such a cheap car so don't count on it.
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Old 01-01-2006, 05:30 AM   #56
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Quote:
Originally Posted by Match_Box
What is the Final drive ratio on the Manual XB?
4.30 : 1
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Old 02-08-2006, 04:42 PM   #57
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Does anyone know the firing order for the 1NZ? Yea, inknow I could go ou to the car and check ... but I am at work and it's too cold.

Never mind ... another day and it got warmer.
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Old 02-23-2006, 04:35 AM   #58
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Default 1NZFE Toyota made or?

Is the 1NZFE a toyota design and manufacture or is it out sourced? I understand it's a BEAM design which is a Yamaha product/design. Anyone know? Thanks, i have a debate going with my father in law.
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Old 05-16-2006, 02:34 PM   #59
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Does anyone know the center-to-center bore spacing on the 1nz-fe or maybe overall dimensions? Most concerned about overall length. Thanks.
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Old 07-07-2006, 07:34 AM   #60
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does anyone know the stock compression ratio?
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