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Old 12-04-2022, 10:48 AM   #111 (permalink)
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I just scoped my cylinders in the 2006 Prius with 215k miles and the block is junk. Regardless of the oil change intervals the previous owners did it didn't keep it from tearing chunks out of the cylinder walls. And you can't bore these engines so my engine is now junk. Three cylinders have chunks missing out of the cylinder walls and all four have grooves.

1NZ you can bore them, all parts are available for all the nz series in all priuses. Just regular stuff. Interestingly forged pistons and rods are available which might interest ecomodders

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Old 12-04-2022, 12:07 PM   #112 (permalink)
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Thanks! That could be good news! I can't seem to find any non-forged oversized pistons though. Forged pistons would not be good for a stock application as they expand and contract way more than stock hypereutectic pistons. That means you get a lot of piston slap with a cold engine and therefore a lot more cylinder wear. Not to mention that forged pistons are crazy expensive.
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Old 12-10-2022, 01:10 AM   #113 (permalink)
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you can bore them
Almost every engine can have some overbore done to keep cylinder walls equal, prior to resleeving. Not unusual in my country.
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Old 12-29-2022, 07:54 PM   #114 (permalink)
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I hope that 19-inch wheels are an option and not the standard, as they are getting too big in my opinion. Premium fuel is rarely necessary these days, as modern engines have systems in place to protect themselves and adjust performance as needed. A fuel efficiency of over 40 MPG is already a great achievement, and there is no need for manufacturers to try to push the limits by creating vehicles that get extremely high mileage, as the increase in efficiency becomes less and less significant as it gets higher. Doubling fuel efficiency from 20 MPG to 40 MPG has a bigger impact than doubling it from 40 MPG to 80 MPG, due to diminishing returns.
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Old 12-29-2022, 08:09 PM   #115 (permalink)
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Well, it has more power and seems like it'll be $3,000 more than the previous generation. I think that's about the sum of the new Prius. Faster but costs more.
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Old 12-29-2022, 10:44 PM   #116 (permalink)
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Well, it has more power and seems like it'll be $3,000 more than the previous generation. I think that's about the sum of the new Prius. Faster but costs more.
Everything costs more. A $5 block of cheese costs $10 these days. I'm amazed it's only three grand more.

From what I'm hearing, we should expect things to be expensive the rest of this decade. Hopefully wages eventually rise to reflect this, and not just the burger-flipping type of jobs.
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Old 12-30-2022, 12:13 AM   #117 (permalink)
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Everything costs more. A $5 block of cheese costs $10 these days. I'm amazed it's only three grand more.

From what I'm hearing, we should expect things to be expensive the rest of this decade. Hopefully wages eventually rise to reflect this, and not just the burger-flipping type of jobs.
So I could get a new Prius to jump between my old first job and new second job faster as I'm waiting for my first job's wages to rise.

But seriously, I just hope my current car lasts the rest of the decade. If it were obliterated tomorrow then I'd be up a creek without a paddle.

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I hope that 19-inch wheels are an option and not the standard, as they are getting too big in my opinion.
It looks like the base model will have 17 inch wheels.
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Old 02-04-2023, 12:26 PM   #118 (permalink)
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Toyota updated their website with the official epa numbers.

57 city and 56 highway

Highway mpg has gone up 3 extra mpg

Can someone explain how adding more horsepower and making the car have MORE DRAG with a higher CD and then increasing highway mpg be possible?
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Old 02-04-2023, 12:51 PM   #119 (permalink)
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I am not sure this is the exact design reason for the better mileage, but they use software now to filter out the input signals from the driver on the drive by wire pedal, to improve mileage in eco mode. Sort of how the Ecomodders already drive (soft pedal, smooth acceleration). As you know just driving carefully will get you at least 10% better gas mileage. The new ones also have a better battery. They definitely look sleeker but do have worse coefficient of drag. They are 2-3" lower so maybe smaller frontal area makes up for the increase in Cd.

I have been looking on buying one of these new 2023 prius LE models. Since they are factory order only right now, damn auto dealerships are tacking on $1,500 of worthless accessories as part of the dealer markup. As soon as there is a bunch of Prius's in stock, and I can negotiate, I will try to buy one.

I was trying to buy a 2022 Corolla LE Hybrid but none available. The new 2023 Corolla Hybrids have the 2.0 L and another 20 horsepower but are down 7 mpg on highway EPA rating. No thanks.
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Old 02-04-2023, 01:42 PM   #120 (permalink)
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The pedal part doesn’t matter too much when it comes to highway though. It’s probably due to battery and being lower I guess. Maybe they slightly improved engine efficiency but I doubt it since we are already near the limit in theory anyways

I’m waiting for Wayne at cleanmpg to do a steady state highway test drive with the Prius. Would be interesting. Usually Toyota under estimates their numbers and it’s higher in the real world. That’s how it even is with my exs Corolla hybrid. So far my Ioniq blue has the best highway steady state mpg of any car out there right now based on clean mpg testing

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