what RPM shift

00GTpony

Member

Mar 10, 2007

162

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Sep 21, 2008

#1

• Sep 21, 2008

• #1

On a stock block mustang 2v, what is the highest rpm u can shift at without hurting the motot. ( lets say the rev limiteer is off )..... is it still only 6000?

 

myponyrocks

I have more billet on the Stang than most women ha

Apr 18, 2004

1,219

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37

Sep 21, 2008

#2

• Sep 21, 2008

• #2

With your mods there is no reason to pass 6k

I forget the exact number but the rev limiter is set (factory setting) a few hundred rpm before the big danger zone.

 

Black_02_GT

Member

Mar 2, 2008

0

0

16

Mississippi

Sep 21, 2008

#3

• Sep 21, 2008

• #3

5800-5900 to be honest....

i think its about 6125 stock...

 

Mustang5L5

That is…until I whipped out my Bissell

Mod Dude

Feb 18, 2001

43,298

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Massachusetts

Sep 21, 2008

#4

• Sep 21, 2008

• #4

6250


I shift around 5500

 

BurningRubber

10 Year Member

Dec 6, 2004

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Sep 21, 2008

#5

• Sep 21, 2008

• #5

Some of the guys running pretty agressive cams, ported heads, so on are shifting 65-6600RPM on a stock bottom end.

They have a reason to though.

I missed a shift once and hit about 6300 RPM or so and it didnt sound too happy up there.

I actually have my limiter backed down to 5900.

 

02nightmaregt

To hell with your Mustang, I want to see your HOG!

Jul 1, 2007

513

4

19

Southern Indiana

Sep 21, 2008

#6

• Sep 21, 2008

• #6

i have my shift light set at about 5500, You don't really need to be revving that high with 4.10's anyway

 

98COBRA281

10 Year Member

Nov 24, 2007

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Port St. Lucie, Florida

Sep 21, 2008

#7

• Sep 21, 2008

• #7

BurningRubber said:

I missed a shift once and hit about 6300 RPM or so and it didnt sound too happy up there.

Click to expand...

i missed a shift once and put it to 7200rpms with my npi.....

 

deftsound

Please ask me how much my supercharger cost

Apr 6, 2004

945

1

39

Texas City TX

Sep 21, 2008

#8

• Sep 21, 2008

• #8

i got my shift light at 5900, really no point to going higher than that the power band drops down after about 5900

 

SaleenGT2001

Well-Known Member

Jul 18, 2005

2,811

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58

Four Oaks NC

Sep 21, 2008

#9

• Sep 21, 2008

• #9

i shift at 6700 usually

 

deftsound

Please ask me how much my supercharger cost

Apr 6, 2004

945

1

39

Texas City TX

Sep 21, 2008

#10

• Sep 21, 2008

• #10

SaleenGT2001 said:

i shift at 6700 usually

Click to expand...

i wanna drive your car haha

 

BurningRubber

10 Year Member

Dec 6, 2004

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Sep 21, 2008

#11

• Sep 21, 2008

• #11

98COBRA281 said:

i missed a shift once and put it to 7200rpms with my npi.....

Click to expand...

Focking A...

I know someone who ran some nitrous through his 2v and shifted at 7200RPM... He didn't all the time, but during some test runs to figure out where it was going to stop making power he took it there a few times, and it made it.

 

Mustang92

SN's #1 1%er

Jun 6, 2001

6,467

2

79

South Florida

Sep 22, 2008

#12

• Sep 22, 2008

• #12

If you have a dyno sheet and can plot out your HP/TQ every 100 RPM you can put it into the calculator attached in the thread below.

Shift Point Calculator - Modular Revolution Forums

The idea is to stay in the power band and the general rule is to shift 10% higher RPM than your peak power which on a stock PI headed 2V is about 5200 RPM, so you would want to shift about 5700-5800 RPM. If you shift too soon your RPMs drop too low, by shifting above your peak your RPMs drop into a better spot in the powerband, giving you a higher average power while in that gear.

Bill

 

race-stang

Member

Jan 28, 2007

47

3

8

Hartford, CT

Sep 22, 2008

#13

• Sep 22, 2008

• #13

i shift a little past 5000 cuz you can feel the powerband just die after that. It just doesnt pull anymore. plus it is a little better for the engine not to be reving the s**t out of it

 

CobraRed_96_GT

Active Member

May 20, 2006

1,421

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39

UCSD/La Jolla

Sep 22, 2008

#14

• Sep 22, 2008

• #14

Stock rev limiter is 6050 guys. I agree will Bill about 10%, i usually say 8-10%. But i have a feeling my set-up will be knocking at peaking at 5900-6k and i sure don't want to be shifting at 6550.

 

S

spederman

Member

Apr 13, 2005

732

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Sep 22, 2008

#15

• Sep 22, 2008

• #15

I usually shift at 6000-6200K, no probs yet

 

A

AntiRice98

Member

Dec 6, 2005

158

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Sep 22, 2008

#16

• Sep 22, 2008

• #16

I have a stock bottom end with p&p heads with cams and I shift at 5,900 (peak of the power)...on a burnout i've hit 6,700..scared the crap otta me.

 

02nightmaregt

To hell with your Mustang, I want to see your HOG!

Jul 1, 2007

513

4

19

Southern Indiana

Sep 22, 2008

#17

• Sep 22, 2008

• #17

Damn sounds like some of you need rev limiters

 

Team Ford

Member

Dec 16, 2005

109

3

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Sep 24, 2008

#18

• Sep 24, 2008

• #18

5.8k you feel it start to leave
6k if your racing

 

SaleenGT2001

Well-Known Member

Jul 18, 2005

2,811

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Four Oaks NC

Sep 25, 2008

#19

• Sep 25, 2008

• #19

my rev limiter doesnt kick in till 7K

 

98COBRA281

10 Year Member

Nov 24, 2007

1,348

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Port St. Lucie, Florida

Sep 25, 2008

#20

• Sep 25, 2008

• #20

BurningRubber said:

Focking A...

I know someone who ran some nitrous through his 2v and shifted at 7200RPM... He didn't all the time, but during some test runs to figure out where it was going to stop making power he took it there a few times, and it made it.

Click to expand...

yeah ...you should have heard that B***H scream!!!, i though it was going to blow apart, still running strong tho