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I run my Nokian WR tires at 42 front - 40 rear as I have all three tire models (Goodyear Integrity, Michelin MXV4+) on my 2004 Prius. The...
No, not kidding. Averaging over a 12 month period (and about 30k miles) accounts for most of the environmental variables. I also did a...
NOOOO! Do it at low speed (15-20 MPH) and gently to clean your rotors. Repeat until braking is smooth and without scraping noise. JeffD
How about some real data. The attached spreadsheet covers 130k miles and 4.5 years of driving on three different tires. The original Goodyear...
I find that 3.5 qts hits the right spot on the dipstick every time. I save the half qt for the next oil change. JeffD
Ignoring the possibility of a leak, PSI is guaranteed to drop as air temperature drops. Warning Tech Alert - The relevant formula is P*V=N*R*T...
Moving the lever to any other position (D, N, P ...) will take your Prius out of "B" mode. Note that you will get lower MPG when using "B" mode...
the higher reading is suspect as a Prius normally would average in the high 40's or low 50's at highway speeds. The only time I have seen 60 MPG...
I am currently using the WRs year around. After one year and 31,000 miles they are now about to go into their second winter with sufficient tread...
Two bars left can happen in normal use so your friend did not stress the traction battery. No harm; no foul. JeffD
Two things that I can think of: Yes, blocking the grill but only if you instrument your temperature readings (get a scanguage) Get and install...
I was in communication with Nokian Tech support and they said that the rolling resistance of the WR and WRg2 are the same. My WRs (also from...
There are two issues with making the Prius drive train work harder than it normally would. If you have any drive train problems, your dealer...
Your 5% MPG hit is not completely real. I can account for half of it with the change in revolutions per mile. First, the Primacy is rated at 851...
Toyota is worried about complaints that the ride is harsh so they spec 35/22 PSI in tires that are rated safe at 44 PSI cold. Running 42/40 as I...
I made measurements of My Prius at 40 MPH and saw about 68 dBA. My Son-in-Law's Prius which had been given a sound deadening Dynamat layer in the...
There is nothing wrong with the file. It is a "zipped" excel file. If you have windows, save it first, It will open in Windows explorer and...
See the attachment in my comments above for data on my tire experience. Very few tires actually are LRR and the others all reduce your MPG....
Take a look at feeding an external display from a ScanGuage. It would be easier interface to design. JeffD
Don't go for TPs unless you don't care about MPG. I suggest that you consider the Nokian WRg2 tire. It is a great all-weather tire that will...
