Average RPM's?

September 23rd, 2008, 11:53 AM	#1
Tigerwhite1 Regular 2003 Mustang V6 Auto Join Date: Jun 2008 Location: Missouri Posts: 173	Average RPM's? OK, so I noticed while riding with a good friend of mine (he has a 98 V6) that his RPM's were only at about 1200 at 55mph, and they only went up to about 1700 at 70mph. Of course if he accelerates quickly they will jump to redline, but driving at a steady speed they seem so low! In my 2003 the rpms are usually 500 higher then his. about 1600-1700 at 55mph about about 2000-2200 around 70-75. What is the cause of this, and who has normal rpm's? we haven't noticed us doing anything different while driving that would effect the rpms like that. I know with his car being that year, he only has a single port engine, but i didn't think that was the cause. And if anyone has any suggestions on how to get lower rpm's while driving at a steady speed please let me know. BTW, both of our cars are stock performance wise as far as we know. Thanks! __________________ 2003 V6 Automatic Sony Xplod 500W amp with 2 Rockford P1 Subs Red Neon Underglow My Garage - http://www.moddedmustangs.com/forums...-member-17557/

September 23rd, 2008, 11:56 AM	#2
HMUSN Doc 91 Sonic Blue Goodness 19.83 @ 12mph Join Date: Nov 2006 Location: NJ Posts: 27,311	you guys have different transmissions is all.

September 23rd, 2008, 12:48 PM	#3
riddlee josh Enthusiast 1998 mustang 3.8l v6 Join Date: Nov 2007 Location: portsmouth ohio Posts: 618	they also have dif rear end gears __________________ 1998 mustang v6,UD pulleys,msd 8.5 mm wires shorty headers no cats H pipe flowmaster knock offs cold air intake w/ k n filter headlights mirrors 2 10 xplod subs 1000 watt amp

September 23rd, 2008, 04:54 PM	#4
Blainestang Regular Join Date: Dec 2007 Location: Tampa, FL Posts: 412	He has 2.73 gears... you have 3.27 gears. You said the following: Him = 1700rpm @ 70mph You = 2000rpm @ 70mph (1700rpm) / (2.73) X (3.27) = 2036rpm __________________ 1993 2.3L Coupe [Motortopia] : Open-Track Project... 214k miles 2000 V6 (Black,5-speed) [Motortopia] : Heads/Cam (EXHAUST CLIP) 2001 Harley Davidson F-150 Acts 16:31

September 24th, 2008, 11:32 AM	#5
Tigerwhite1 Regular 2003 Mustang V6 Auto Join Date: Jun 2008 Location: Missouri Posts: 173	I see, that makes sense, lol. I didn't think about different gears. So if I bought 4.10 gears, then I would have even higher rpms? Thanks for your help everyone, that has annoyed me for the past week or so! __________________ 2003 V6 Automatic Sony Xplod 500W amp with 2 Rockford P1 Subs Red Neon Underglow My Garage - http://www.moddedmustangs.com/forums...-member-17557/

September 24th, 2008, 12:01 PM

Blainestang

Regular

Join Date: Dec 2007

Location: Tampa, FL

Posts: 412

Originally Posted by Tigerwhite1

I see, that makes sense, lol. I didn't think about different gears. So if I bought 4.10 gears, then I would have even higher rpms? Thanks for your help everyone, that has annoyed me for the past week or so!

Yes, given that the gear you're in and the speed are the same, your RPMs would be much higher with 4.10's.

__________________
1993 2.3L Coupe [Motortopia] : Open-Track Project... 214k miles
2000 V6 (Black,5-speed) [Motortopia] : Heads/Cam (EXHAUST CLIP)
2001 Harley Davidson F-150

Acts 16:31

September 25th, 2008, 01:42 AM	#7
6er_w/a_Vengance Enthusiast 2004 Mustang v6 Haven't tested Join Date: Apr 2007 Location: Portland, TN Posts: 925	at 70 i run about 2000rpm so no worries... __________________ 2004 Mustang 3.9 v6 K&N CAI , True Dual Thrush Welded w/ Turndowns FTW... BLUE MUSTANG SOCIETY

September 25th, 2008, 09:31 AM	#8
03SonicBoom Regular 2003 Mustang GT Join Date: Jul 2008 Location: Indiana Posts: 170	I run 2000rpm at exactly 75mph __________________

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