Differences between J30, I30
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diamondj30
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Here is my 1993 J30 I just got about a month ago. Came from a Mazda Miata (Big difference I know!). What an incredible car. I sat in the miata the other day and just laughed. This car is so incredible. Even 10 years later people look at me like I just bought a $36000 Infiniti... I almost tell them its 10 years old (almost 11), but I just keep silent 
nice ride, and a very clean example.
the J30 interior sets itself apart from the competition by means of its interior symmetry and simplicty. lines throughout do not end abruptly as they are continued throughout the cabin. it is simply an industrial designer's dream. ergonimics are top notch, even for today's standards. actual burl walnut accents are 1 full eighth of an inch thick of solid class.
unfortunatley, few cars show this level of attention to detail.
the J30 interior sets itself apart from the competition by means of its interior symmetry and simplicty. lines throughout do not end abruptly as they are continued throughout the cabin. it is simply an industrial designer's dream. ergonimics are top notch, even for today's standards. actual burl walnut accents are 1 full eighth of an inch thick of solid class.
unfortunatley, few cars show this level of attention to detail.
I30T wrote: i think exterior-wise, they each have certain advantages, and i like those on the I30 better.
the exteriors are definitley subect to individual taste. In general, i actually prefer the germanic profile of the I30.
but on the other hand, the J30 is so different, its style is undeniable. Of all the swoop tail cars of the last decade, i feel it was the only success.
in conclusion, both cars deserve tremendous merit.
The I/Maxima and the J are both excellent cars. The J30 and J30t are rare and special cars.
Pros for the J:
- unique sheet metal- great engine. Bulletproof, reliable and responsive- complete mini service manual in the trunk!- handling- brakes- luxurious interior. Heated seats? Yes, yes, yes.- RWD- saftey. One of the safest cars EVER built.- exterior mirror defrosters, auto dimming rear view mirror, adjustable lumbar support, great Bose sound system ( I am into realistic sound reproduction so I don't miss sub woofers)- best bang for the buck in the automotive world.- curious thing about long drives in this car is that you are completely rested when you arrive at your destination.
Cons:
- maintaining a clean transmission is a must!- expensive parts. Car wasn't produced in huge numbers so parts are harder to get. NICO discount is a huge help.- can rust on the left rear rocker panel on the left side. (My case and I have seen others rusting in the same place)- highway mileage at 23 mpg OEM is difficult to achieve although city driving numbers - 18mpg - are easily surpassed.- This car needs an experienced RWD driver in snow! Good quality tires help immencely in rain. No problem with my Yoko 420s but atrocious with my old Goodyear Eagle HPs.- low end immediate torque. You have to get the revs up and then she goes beautifully.- because of its low resale value and high parts cost, could very easily be written off in an accident.
Pros for the J:
- unique sheet metal- great engine. Bulletproof, reliable and responsive- complete mini service manual in the trunk!- handling- brakes- luxurious interior. Heated seats? Yes, yes, yes.- RWD- saftey. One of the safest cars EVER built.- exterior mirror defrosters, auto dimming rear view mirror, adjustable lumbar support, great Bose sound system ( I am into realistic sound reproduction so I don't miss sub woofers)- best bang for the buck in the automotive world.- curious thing about long drives in this car is that you are completely rested when you arrive at your destination.
Cons:
- maintaining a clean transmission is a must!- expensive parts. Car wasn't produced in huge numbers so parts are harder to get. NICO discount is a huge help.- can rust on the left rear rocker panel on the left side. (My case and I have seen others rusting in the same place)- highway mileage at 23 mpg OEM is difficult to achieve although city driving numbers - 18mpg - are easily surpassed.- This car needs an experienced RWD driver in snow! Good quality tires help immencely in rain. No problem with my Yoko 420s but atrocious with my old Goodyear Eagle HPs.- low end immediate torque. You have to get the revs up and then she goes beautifully.- because of its low resale value and high parts cost, could very easily be written off in an accident.
actually, i would propose that this is an ingenious design, as the structure of the rear firewall, suspension and strut towers make this an optimum location. its location prohibits puncture or damage. it is nearly part of the passenger compartment, and thus is very well protected.
the only downside is that the center of gravity is raised, although this is traded for a reduced polar moment of inertia. if the tank were mounted in the traditional car location, there would be more traction in the rear, but it would be harder to control when the rear slips out.
risk of fire or explosion is negligible. statistically never happens outside of the movies.
the only downside is that the center of gravity is raised, although this is traded for a reduced polar moment of inertia. if the tank were mounted in the traditional car location, there would be more traction in the rear, but it would be harder to control when the rear slips out.
risk of fire or explosion is negligible. statistically never happens outside of the movies.
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diamondj30
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VimyJ wrote:The Crown Vic has the gas tank in the traditional position under the floor of the trunk. The tanks are rupturing when hit hard from behind. That would never be a problem in the J.
Another part of the problem the Crown Vics have is that they have one or two sharp screws that are puncturing the tank when the car is hit from behind. I have heard that some police depts. are gettin under there and grinding them down.
Brent
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diamondj30
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couple quick things about the J.
Let me start by saying that i own a J and i've never had such an emmotional attatchment to a car. Maybe it's just because i came from owning a junk Honda Civic (I like hondas, i just owned a lemon), but all i know is that even my girlfriend gets a little jelous of how much i love that car.
But i do have to admit. The RWD does take a little getting use to(i've tailed out twice now, and each time i was sure i was going to wreck), i also have yet to drive in the snow, something im a little nervous about starting out. Secondly, the back seat is a little crammed for being a luxory sedan, personally, i don't drive that many people around(and when i do it's other high school kids, they don't complain since no one has a more comfortable interior Finally, you'd better find yourself a good trusted mechanic, I was lucky, since my mechanic happens to own a J30.
These really are the only problems i can think of for my car. I'd list the pros too but there's just too many and all the time in the world wouldn't be enough for me to explain why i love this fantastic car.
OH, and the clock is pretty pimp.
Let me start by saying that i own a J and i've never had such an emmotional attatchment to a car. Maybe it's just because i came from owning a junk Honda Civic (I like hondas, i just owned a lemon), but all i know is that even my girlfriend gets a little jelous of how much i love that car.
But i do have to admit. The RWD does take a little getting use to(i've tailed out twice now, and each time i was sure i was going to wreck), i also have yet to drive in the snow, something im a little nervous about starting out. Secondly, the back seat is a little crammed for being a luxory sedan, personally, i don't drive that many people around(and when i do it's other high school kids, they don't complain since no one has a more comfortable interior
Finally, you'd better find yourself a good trusted mechanic, I was lucky, since my mechanic happens to own a J30. These really are the only problems i can think of for my car. I'd list the pros too but there's just too many and all the time in the world wouldn't be enough for me to explain why i love this fantastic car.
OH, and the clock is pretty pimp.
A "handful" hardly begins to describe what happens when my J30T breaks the rear end loose. I think that the driver response, torque and Hicas get 180 degrees out of phase, leading to wild oscillation. I got my car out of line on what I thought was a pretty mild turn.
I have had my my XR4TI, a faster car, on a wet skidpad going 35 MPH+ pedal floored, kissing the cones. Easily recoverable and stable at the limit. The J30 in contrast seemed to let go all at once and then fall off the edge.
The J30 interior is beautiful, the headlights are glass (very classy). Glass headlights mark this car as timelessly different from everything else that has the plastics that mark a cars age irrespective of how well it gets waxed, or even repainted. The Q45's are glass too. The new cars do not have the glass. They will show their age.
The J30T and later model cars interior get the wood, and very good wood indeed. The newer G35 has no wood, and although good looks WORSE. This is subtle, but makes a big difference.
I am sure that the Maxima and the I30 are both fine cars, but neither makes a styling statement, and both are hard to identify on the road. On the other hand the J30 is different in a love or hate it way. I choose to love.
I have had my my XR4TI, a faster car, on a wet skidpad going 35 MPH+ pedal floored, kissing the cones. Easily recoverable and stable at the limit. The J30 in contrast seemed to let go all at once and then fall off the edge.
The J30 interior is beautiful, the headlights are glass (very classy). Glass headlights mark this car as timelessly different from everything else that has the plastics that mark a cars age irrespective of how well it gets waxed, or even repainted. The Q45's are glass too. The new cars do not have the glass. They will show their age.
The J30T and later model cars interior get the wood, and very good wood indeed. The newer G35 has no wood, and although good looks WORSE. This is subtle, but makes a big difference.
I am sure that the Maxima and the I30 are both fine cars, but neither makes a styling statement, and both are hard to identify on the road. On the other hand the J30 is different in a love or hate it way. I choose to love.
blackJ30T wrote:A "handful" hardly begins to describe what happens when my J30T breaks the rear end loose. I think that the driver response, torque and Hicas get 180 degrees out of phase, leading to wild oscillation. I got my car out of line on what I thought was a pretty mild turn.
I have had my my XR4TI, a faster car, on a wet skidpad going 35 MPH+ pedal floored, kissing the cones. Easily recoverable and stable at the limit. The J30 in contrast seemed to let go all at once and then fall off the edge.
Tires. The J30 weighs about 3800 lbs.
Learning to control the VLS differential. You can't just take your foot off the gas when the back end slips out. Ease off to control torque
When I take my foot off the gas, I will let you know.
There are two places for the foot, on the gas, and on the brake, and sometimes a little of both. I hate automatics, and the Infiniti is no gem. It is too slow to respond and too slow between gears, but the real problem that I had was definitely a slow oscillation between one side and the other, I call it "fishtailing" . I got off the gas and recovered by hitting the brakes, but when I got back on the gas, it oscillated again. The whole experience was wierd.
There are two places for the foot, on the gas, and on the brake, and sometimes a little of both. I hate automatics, and the Infiniti is no gem. It is too slow to respond and too slow between gears, but the real problem that I had was definitely a slow oscillation between one side and the other, I call it "fishtailing" . I got off the gas and recovered by hitting the brakes, but when I got back on the gas, it oscillated again. The whole experience was wierd.