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11-17-2004, 10:30 AM
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#1
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red-line?
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Registered User
Join Date: Jun 2004
City: Indianapolis
State: Indiana
Posts: 179
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I've got a 2000 v6 manual, when driving hard is redlining the gears bad for the motor or is it ok to just hit a little in red? i have heard both of these that they are true, can someone help me out
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11-17-2004, 10:47 AM
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#2
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Taking life one day at a time
Join Date: May 2003
City: Simpsonville
State: South Carolina
Posts: 10,963
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In real world terms you wont damage anything. The redline has a comfort buffer in it. The factory places the redline much lower than can do harm. For a V6, people get chips that increase the redline to 6000 rpm as long as you install a valvetrain to handle the increased rpm
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Last edited by Danger Dude; 11-17-2004 at 01:00 PM.
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11-17-2004, 12:26 PM
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#3
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postarama
Join Date: Aug 2003
City: Jackson
State: Mississippi
Posts: 24,148
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But...running the engine that hard can be bad for it over long periods of time...
__________________
"I'm not driving too fast...just flying too low"
Mine:
-87 ranger- broke
-03 SB Cobra vert- 2552 of 5082 Born 02/25/03
Our's:
90 7up vert - new project
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11-17-2004, 12:37 PM
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#4
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what is this bat you speak of?
Join Date: Aug 2003
City: San Angelo
State: Texas
Posts: 1,382
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Redline is the safe maximum operating speed.
keyword is safe.
I wouldn't try to run in 1st gear @ 6000 rpm for hours on end but drive it up to redline and shift won't kill anything. Assuming of course you have a properly working and maintained vehicle.
As for the factories low redline setting that's usually because of the valve springs used. The stock cam reall isn't gonna pull all that well up at higher rpms and that's usually what sets the redline. I used to run big blocks up to 6200 rpm when I shifted, never had a problem. But I built them to run hard at that rpm. No need to shift a stock 3.8 that high since you are long past the torque peak and will actually go slower than if you shifted sooner.
Steve
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1996 Mustang
1965 Barracuda
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11-17-2004, 02:18 PM
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#5
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Registered User
Join Date: Aug 2003
Posts: 984
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6k is fun.
Like was said..stock springs can't take that rev. Otherwise the motor could take it as long as you dont go lean up there.
__________________
1998 Subaru Legacy L Sedan
New Hottness 
1999 V6 5-speed
14.6 @ 95 w/ 2.22 60'
Wrecked 
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11-17-2004, 02:18 PM
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#6
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The 4.2L Guy/Moderator
Join Date: Nov 2003
City: Scumter; Home: Chicago, IL
State: South Carolina
Posts: 2,029
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Also, if you're watching you tach go to redline and then shifting, you're actually no where near the redline. You stock tach is almost about 1000 rpms slow, so when it says you're at 6000, you're really only at about 5000.
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60' ~ 2.1, 1/8 ~ 9.61 @ 73.4mph
Living one day at a time!
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11-17-2004, 02:38 PM
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#7
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Taking life one day at a time
Join Date: May 2003
City: Simpsonville
State: South Carolina
Posts: 10,963
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This is totally correct factory RPM gauges in most cars are off 500-1000 RPM. It is also true that shifting anywhere including the track will not get you to 5000 RPM in a stock V6
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11-17-2004, 05:33 PM
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#8
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The 4.2L Guy/Moderator
Join Date: Nov 2003
City: Scumter; Home: Chicago, IL
State: South Carolina
Posts: 2,029
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Maybe I should modify what I'm saying. When you're gunning it, or flooring the gas pedal your tach is off a decent amount(the 500-1000rpms), but when you're cruising it's usually dead on or close to it.
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60' ~ 2.1, 1/8 ~ 9.61 @ 73.4mph
Living one day at a time!
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11-17-2004, 05:40 PM
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#9
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Taking life one day at a time
Join Date: May 2003
City: Simpsonville
State: South Carolina
Posts: 10,963
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I understood what you we saying the lag in the Tach to the actual rpm can be as much as 1000RPM off
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11-17-2004, 05:52 PM
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#10
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The 4.2L Guy/Moderator
Join Date: Nov 2003
City: Scumter; Home: Chicago, IL
State: South Carolina
Posts: 2,029
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I knew you understood, i was just making sure others did, i.e. the guy that started the post. After reading my post he might have thought that his Tach was always off up to 1000 rpms. i just wanted to clarify that.
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60' ~ 2.1, 1/8 ~ 9.61 @ 73.4mph
Living one day at a time!
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11-17-2004, 05:53 PM
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#11
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Taking life one day at a time
Join Date: May 2003
City: Simpsonville
State: South Carolina
Posts: 10,963
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__________________
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11-17-2004, 11:02 PM
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#12
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postarama
Join Date: Aug 2003
City: Jackson
State: Mississippi
Posts: 24,148
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If you have a car with digital odometer...ford put a little extra in there that lets you view your speed and tach and such digitally. I've found this to be closer to your actual speed and rpm's.
__________________
"I'm not driving too fast...just flying too low"
Mine:
-87 ranger- broke
-03 SB Cobra vert- 2552 of 5082 Born 02/25/03
Our's:
90 7up vert - new project
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11-18-2004, 01:20 AM
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#13
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I liek gramer
Join Date: Jan 2004
City: Birmingham
State: Alabama
Posts: 19,163
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it is.
When it reads 100, the gauges read 97ish...
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Delta Sigma Phi - building better men since 1899
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