 
     |
| Oil in cylinder 5 (Page 5/7) |
|
cartercarbaficionado
|
JUL 16, 07:38 PM
|
|
| quote | Originally posted by 1985 Fiero GT:
Well... I don't like the higher rpms haha, I don't know, but 5000 is usually the highest I'll take it.
I also edited my previous post with more info.
|
|
these 2.8s are fairly tough little things. had a throttle stick a week ago (never found out why since it unstuck as soon as I shut it off) and they do have a limiter they will bounce off of safely at around 7k. very loud when it does it and frighteningly quick, definitely more so than a honda f22 hitting 8k
|
|
|
|
1985 Fiero GT
|
JUL 16, 07:40 PM
|
|
| quote | Originally posted by cartercarbaficionado:
these 2.8s are fairly tough little things. had a throttle stick a week ago (never found out why since it unstuck as soon as I shut it off) and they do have a limiter they will bounce off of safely at around 7k. very loud when it does it and frighteningly quick, definitely more so than a honda f22 hitting 8k |
|
2 pages, wow haha!
Yeah, I'm sure it is haha, but scary, I think at about 5500 my tach needle starts bouncing around about 1000rpm each way, don't know why, don't really want to know why haha!
|
|
|
Patrick
|
JUL 16, 07:42 PM
|
|
Hey, I love my 2.8 powered Fiero as much as the next guy... but I'm sorry, I'm finding those 0-60 mph times to be far too... optimistic. 
You might find This article interesting.
Fieros can be found Here.
|
|
|
|
cartercarbaficionado
|
JUL 16, 07:43 PM
|
|
| quote | Originally posted by 1985 Fiero GT:
2 pages, wow haha!
Yeah, I'm sure it is haha, but scary, I think at about 5500 my tach needle starts bouncing around about 1000rpm each way, don't know why, don't really want to know why haha! |
|
oh that's the limiter trying to kick in. guess mine is tuned different or I broke something lol.
|
|
|
|
pmbrunelle
|
JUL 16, 07:47 PM
|
|
| quote | Originally posted by cartercarbaficionado:
oh that's the limiter trying to kick in. guess mine is tuned different or I broke something lol. |
|
Fiero tachometers commonly drift with age; yours is probably wrong and needs calibration.
|
|
|
|
1985 Fiero GT
|
JUL 16, 07:49 PM
|
|
| quote | Originally posted by Patrick:
Hey, I love my 2.8 powered Fiero as much as the next guy... but I'm sorry, I'm finding those 0-60 mph times to be far too... optimistic.
|
|
I have several things done to make these times possible, 1.6 rockers, ported exhaust and intakes, power pulley (dubious if it does anything) MSD coil with 0.055" gapped plugs, all new ignition components, no AC on a notchback car (almost the lightest a v6 can get), brand new tires, freshly aligned, new bushings everywhere. I've done many things to improve the time, and I shift the transmission hard, I won't deny that, harder than anyone would on a brand new car, my synchros weren't great when I got it, so I'm having fun, looking forward to a 5 speed or something some day.
I started out with this app getting 8.5 or so, that is hardly unrealistic. I have improved, my car has improved, and through all this, the times on my beater cars (I test every once in a while) and my dad's Fiero, remain unchanged. (His is about 9 seconds) Mine has low miles, and has been well taken care of its whole life, never seen snow, etc. some engines are better than others, I think mine was good from the factory, and the work I've done has only improved it more. The difference between my Fiero and my dad's (86 SE, v6/4 speed manual) is stunning. People who don't know what a gear shifter does have noticed and been amazed at the difference, between 2 "identical" cars.[This message has been edited by 1985 Fiero GT (edited 07-16-2024).]
|
|
|
|
1985 Fiero GT
|
JUL 16, 07:50 PM
|
|
| quote | Originally posted by cartercarbaficionado:
oh that's the limiter trying to kick in. guess mine is tuned different or I broke something lol. |
|
Yeah, it's just the needle, the engine still pulls, no difference in some or feel. I was thinking a certain vibration at that point jiggles a wire or something that has an intermittent connection to the tach.
|
|
|
|
pmbrunelle
|
JUL 16, 08:04 PM
|
|
| quote | Originally posted by 1985 Fiero GT:
lso, factory size 215/60 R14 (not that that makes a difference in rolling diameter).
|
|
There is a slight difference in rolling diameter, I made a mistake.
With 215/60R14, 2->3 shift RPM was about 4659 RPM.
| quote | Originally posted by Patrick:
Hey, I love my 2.8 powered Fiero as much as the next guy... but I'm sorry, I'm finding those 0-60 mph times to be far too... optimistic.
|
|
It is optimistic-sounding, especially with short-shifting at 4659 RPM.
That said, factory freaks seem to exist once in a while.
Refer to the banditbalz Fiero: 14.79 @ 91 mph (2.8 V6 / Muncie 4-spd)
https://www.fiero.nl/forum/Forum1/HTML/098801.html
|
|
|
|
1985 Fiero GT
|
JUL 16, 08:09 PM
|
|
That was my best time last fall with a "stock" engine.
Before all the stuff I've mentioned above, and with a massive exhaust manifold leak (albeit on good tires and in good mechanical condition, with timing at 13*). Every other stock car in good shape I've tested it on (1993 Grand Prix, 1989 Cutlass Ciera, 2008 Pontiac G5, 2001 Chrysler Sebring) have been within margin of error/age (at most 1 second slow) of their factory specs, all of the above are also automatic, to take shifting out of the picture.
|
|
|
|
Patrick
|
JUL 16, 08:38 PM
|
|
The app you're using is fine for comparing performances using the same app.
IMO, there's no way the readings you're reporting are anywhere near accurate. Look at the actual six second 0-60 mph cars in that list I supplied a link to above. They'd embarrass a Fiero in a 0-60 showdown.
I'm not trying to be mean. It's just the reality of the situation.
|
|
|
|