Bigger wheels=gooder?

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vstrom
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Bigger wheels=gooder?

Post by vstrom »

Not sure if this is the right forum to make this observation..

So, last week it was time to switch over to winter tires. For the hell of it I put my Tacoma (245/75/16 I think) tires on the deli (225/70/15 maybe, should be close). The Taco's tires are almost 2inches bigger than the stock tires, and a fair bit wider. When I threw them on .. wow.. it looks really good on there but there's no way I can get away with this.. it'll have to rub like crazy!

Decided to drive around..

Hardly any rubbing issues! Only at a tight turn, almost to the turning stop, and even that was pretty intermittent.

So, I get going on the highway.. Now, on the old rubber I would turn 3200prm for an indicated 107kph (100kph on the gps) but now it's 3050 for 97 (100 gps). I know that seat of the pants tuning means nothing but the Deli seems happier and sportier and looks really great.

I knew that changing to a larger tire size would affect the speed and rpm, however it sure FEELS like it's sitting at a sweet spot in the ratios.. but my butt could be wrong.

No real point to any of this.. just bored at work and thought I'd pass on some info.
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Firesong
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Bigger wheels=gooder?

Post by Firesong »

You must have a standard tranny. Very cool hope you took some pictures to share. I think you would experience more rubbing if you were in the mud or snow. Once you get a bit of build up it doesn't take much. Love to see some pics though!
Glenn Delwood
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Post by Glenn Delwood »

+1 for the pics.

I'd also like to know how that's affecting (if at all) the engine and (automatic) transmission. I know these vans are geared low for torque, right? But I wouldn't mind making a better headway with bigger wheels and lower rpm.
But then again, this is my first Diesel.
vstrom
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Re: Bigger wheels=gooder?

Post by vstrom »

http://www.delica.ca/Photos/displayimage.php?pos=-1956

Having a hell of a time getting a pic on here for some reason today.. sizing was wrong, etc..

Just to be clear, I don't really like the rims in that pic, rather i like how the bigger tires fill out the wheel wells.

Now that I've put a few 100 k's on this setup I have noticed that there is a small lack of oommpf going up the few hills we have here.

I realize that the trip meter/odometer will be out too which would affect the fuel mileage calculation.. so I found an app that can keep I running total miles driven via gps. So far it seems that for every 100km on the dash I actually did 105km. If my mileage is the same or better than the tires stay on, otherwise they'll be coming off.
TieMyShoe
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Re: Bigger wheels=gooder?

Post by TieMyShoe »

Is my delica just strange? Everybody seems to have much lower speed vs RPM then I do... 3000rpm is 120kph for me with 235/75/15..
vstrom
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Re: Bigger wheels=gooder?

Post by vstrom »

TieMyShoe wrote:Is my delica just strange? Everybody seems to have much lower speed vs RPM then I do... 3000rpm is 120kph for me with 235/75/15..
Have you double checked your speed with a gps? I know my speedo cable has been ready for replacement since I bought the van.
TieMyShoe
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Re: Bigger wheels=gooder?

Post by TieMyShoe »

Clocked against my girl friends 08 Civic.
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Firesong
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Re: Bigger wheels=gooder?

Post by Firesong »

Standard Transmissions are geared lower than the automatic models.
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