the idea is to get rid of inner flows which contribute quite significantly to aero drag (and lift).tok-tokkie wrote:I am surprised by that. The air could go through the radiator but now that air gets blocked so the effective frontal area is increased & additional air is forced around the sides. I would have expected that to increase the drag on the vehicle. So what if the air escaping into the engine bay (instead of having to go around the outside)has terrible flow conditions to deal with?
http://en.wikipedia.org/wiki/Small-block#Small-blockrichard_leeds wrote:Could someone help with translation please?
What is a "small block"? Obviously not the number of cylinder, because V8 is "big" by the standards of most mass produced vehicles.
hybrids would be of little use one a heavy loaded truck driving on the highway. You use the brakes maybe once every few hours. If I want more power ill just turn up the boost.tomislavp4 wrote:That´s what hybrids are forflynfrog wrote:don't bother some people don't understand that we have states the size of there country. Any idea what the weight of a battery pack would be that could do the same as the amount of diesel my truck holds?Jersey Tom wrote:Not gonna get too fired on second thought...
I'll say 3 things
1. Diesels are internal combustion too
2. Electric cars are a waste of time and effort
3. Come back to down to reality.. and we can talk
Indeed it is worrying, and it is worrying that they're investing a large sum of money that they actually don't have in it.richard_leeds wrote:It's a bit worrying that GM are trumpeting investment in technology that bceame common place 20 years ago in the rest of the world, ie aluminum block and direct injection.
Also at that time we had crap diesel and gasoline was a few pennies a gallon. Not to mention the diesel engines offered were pretty much crap.WhiteBlue wrote:There was a long time in the history of American mobility when it was considered blasphemy to power a land or water going vehicle by anything but a petrol V8.
If you were considering the advantages of diesel engines for ships, boats, trucks, busses or even agricultural tractors your mental health was questioned.
Driving something with less than a V8 was considered pussy or even communist.
Code: Select all
232 CID Essex V6 1982–83 110 hp (82 kW) 183 lb·ft (248 N·m)
255 CID Windsor V8 1980–81 115 hp (86 kW) 206 lb·ft (279 N·m) 2bbl
300 CID Straight-6 1980 117 hp (87 kW) 227 lb·ft (308 N·m) 1bbl
300 CID† Straight-6 1980 120 hp (89 kW) 229 lb·ft (310 N·m) 1bbl
300 CID Straight-6 1981–86 122 hp (91 kW) 255 lb·ft (346 N·m) 1bbl
302 CID Windsor V8 1980–85 133 hp (99 kW) 233 lb·ft (316 N·m) 2bbl
302 CID Windsor V8 1985–86 185 hp (138 kW) 270 lb·ft (366 N·m) EFI
351 CID 351M V8 1980–82 136 hp (101 kW) 262 lb·ft (355 N·m) 2bbl
351 CID Windsor V8 1980–82 136 hp (101 kW) 262 lb·ft (355 N·m) 2bbl
351 CID Windsor V8 1983–85 150 hp (110 kW) 280 lb·ft (380 N·m) 2bbl
351 CID HO Windsor V8 1984–86 210 hp (160 kW) 305 lb·ft (414 N·m) 4bbl
400 CID† 400 V8 1980–82 136 hp (101 kW) 310 lb·ft (420 N·m) 2bbl
420 CID Navistar diesel V8† 1983–86 170 hp (130 kW) 315 lb·ft (427 N·m) IDI
460 CID† 385 V8 1983–86 225 hp (168 kW) 380 lb·ft (515 N·m) 4bbl
Flynfrog, diesel engines were crap in the 80's around the world. Only high-pressure direct injection and the development of high-pressure, quick-response turbochargers made it competitive.flynfrog wrote:If you look at the engines offered keep in mind the Navistar was more expensive than any of the gas engines. The diesels were usually purchased by farmers who could burn off road diesel in them(fuel without road tax)
I agree. I was explaining why people would choose a gas engine instead of an oil burner.dumrick wrote:Flynfrog, diesel engines were crap in the 80's around the world. Only high-pressure direct injection and the development of high-pressure, quick-response turbochargers made it competitive.flynfrog wrote:If you look at the engines offered keep in mind the Navistar was more expensive than any of the gas engines. The diesels were usually purchased by farmers who could burn off road diesel in them(fuel without road tax)
Only, while the rest of the world buys the best value for money they can, apparently the US buy what's traditional and macho. Perhaps that kind of mentality turned the fabulous american cars of the glory days in the crap they are now.
Sure, I was only trying to figure why american cars became pretty irrelevant for the consumer needs in almost every country of the world except in the US.flynfrog wrote:Maybe traditional and macho is what people find the best value here?
I deliberately left ships and boats in there. It is quite a compelling application for diesel inboard engines. You cannot believe how many Americans have managed to blow up their petrol driven pleasure cruisers due to petrol fumes in the bilges. Basically works as fuel/air explosives.flynfrog wrote:Also at that time we had crap diesel and gasoline was a few pennies a gallon. Not to mention the diesel engines offered were pretty much crap.WhiteBlue wrote:There was a long time in the history of American mobility when it was considered blasphemy to power a land or water going vehicle by anything but a petrol V8.
If you were considering the advantages of diesel engines for ships, boats, trucks, busses or even agricultural tractors your mental health was questioned.
Driving something with less than a V8 was considered pussy or even communist.
I grew up on a lake believe me I knowWhiteBlue wrote:I deliberately left ships and boats in there. It is quite a compelling application for diesel inboard engines. You cannot believe how many Americans have managed to blow up their petrol driven pleasure cruisers due to petrol fumes in the bilges. Basically works as fuel/air explosives.flynfrog wrote:Also at that time we had crap diesel and gasoline was a few pennies a gallon. Not to mention the diesel engines offered were pretty much crap.WhiteBlue wrote:There was a long time in the history of American mobility when it was considered blasphemy to power a land or water going vehicle by anything but a petrol V8.
If you were considering the advantages of diesel engines for ships, boats, trucks, busses or even agricultural tractors your mental health was questioned.
Driving something with less than a V8 was considered pussy or even communist.
Its because out cost of fuel is much less than yours Americans are more worried about HP and comfort than fuel economy. Believe it or not American car companies sell Americans cars. The European market is secondary. I am not trying to stand up for American car companies. Ive been looking to the Germans my self. I am just explaining the difference in attitudes between the two sides of the ponddumrick wrote:Sure, I was only trying to figure why american cars became pretty irrelevant for the consumer needs in almost every country of the world except in the US.flynfrog wrote:Maybe traditional and macho is what people find the best value here?
segedunum wrote:As for electric development, I see a lot of people covering their ears and telling us all it will never be good enough. However, many people told us that diesel engines would never be good enough to replace petrol several years ago. The technical obstacles to bringing an electric system that is on a par with current engines are quite large, but the advantages in being able to achieve it are undeniable.