#Bogging

Piston Slap: Blogging About Engine Bogging

Pat writes:

Hi Sajeev,

I have a question about driving style that I’d like to pose to you and the B&B. Part of my highway commute is a steady 2 mile grade. With a running start of 75 mph, my 2007 Mazda B2300 slows to about 62 mph by the top of the hill when I keep it in 5th gear, with the engine turning about 2000 rpm. I can maintain 70+ if I drop into 4th and floor it, but I’m a cheapskate at heart. My question is, is it really more efficient to lug up the hill in top gear, or am I just kidding myself and doing irreparable damage to my engine?

Sajeev Mehta Aug 20, 2014

Recent Comments

SPPPP The little boosters work way better than you would expect. I am a little nervous about carrying one more lithium battery around in the car (because of fire risk). But I have used the booster more than once on trips, and it has done the job. Also, it seems to hold charge for a very long time - months at least - when you don't use it. (I guess I could start packing it for trips, but leaving it out of the car on normal days, to minimize the fire risk.)
Bader Hi I want the driver side lights including the bazl and signal
Theflyersfan One positive: doesn't appear to have a sunroof. So you won't need to keep paper towels in the car.But there's a serious question to ask this seller - he has less than 40,000 miles on some major engine work, and the transmission and clutch work and mods are less than 2 months old...why are you selling? That's some serious money in upgrades and repairs, knowing that the odds of getting it back at the time of sale is going to be close to nil. This applies to most cars and it needs to be broadcasted - these kinds of upgrades and mods are really just for the current owner. At the time of sale, a lot of buyers will hit pause or just won't pay for the work you've done. Something just doesn't sit well with me and this car. It could be a snowbelt beast and help save the manuals and all that, but a six year old VW with over 100,000 miles normally equals gremlins and electrical issues too numerous to list. Plus rust in New England. I like it, but I'd have to look for a crack pipe somewhere if the seller thinks he's selling at that price.
2ACL I can't help feeling that baby is a gross misnomer for a vehicle which the owner's use necessitated a (manual!) transmission rebuild at 80,000 miles. An expensive lesson in diminishing returns I wouldn't recommend to anyone I know.
El scotto Rumbling through my pantry and looking for the box of sheets of aluminum foil. More alt right comments than actual comments on international trade policy. Also a great deal of ignorance about the global oil industry. I'm a geophysicist and I pay attention such things. Best of all we got to watch Tassos go FULL BOT on us.

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Piston Slap: Blogging About Engine Bogging

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