tranny fluid and oil change

JASonic · October 15th, 2007, 04:55 PM

I got a good deal at $140 for a transmission flush and fill and a synthetic Pennzoil oil change. I hope Pennzoil is good because I dont know much about this new sythetic they have.

Anyway, something strange happened. At 60 mph, my car has always revved at about 1,900 rpms. After they did this service today, I'm just a bit over 1,800 rpms.

Does anyone know why this might be????

Juggalo_X · October 15th, 2007, 05:20 PM

wrong ATF fluid increasing friction/Fluid drive in the converter causing more rpm's thats all i can think of.

Timmano · October 15th, 2007, 07:28 PM

vcost me 60 for oil changed used all the good stuuf snytic(sp) and 49.99 for tranny change i dunno if thats normal i didnt notice any change

MWWarlord · October 15th, 2007, 07:29 PM

Wait didn't he say his RPMs went down?

JASonic · October 15th, 2007, 07:47 PM

Originally Posted by MWWarlord

Wait didn't he say his RPMs went down?

Yes, down. Like 80 to 100 rpms.

MWWarlord · October 15th, 2007, 07:59 PM

I don't know why its doing it or if it's normal, but it seem like a good thing. you're going faster at a lower RPM that means that your engine is being more effecient. I could be wrong though.

stephen · October 15th, 2007, 08:01 PM

Originally Posted by MWWarlord

Wait didn't he say his RPMs went down?

Yes. Seems like that's good. It implies the torque convertor is working more efficiently.

JASonic · October 15th, 2007, 08:06 PM

Originally Posted by Juggalo_X

wrong ATF fluid increasing friction/Fluid drive in the converter causing more rpm's thats all i can think of.

Jug- you remembered my green tranny fluid didnt you!

They took it out and put in the red. That could explain it. The green is thicker or something because its designed to tolerate much higher temps.
So maybe the red is thinner? IDK. I agree with MWW that its better to be slower in rpm at the same speed.

I seen the fluid they took out. It was pretty cool. It was a healthy green color and smelled like crayons. It wasnt burnt at all but it did have some crap in it. There was also a "plug" in the pan they said was normal. Something about keeping the pan "clean" during manufacturing?

Anyway, 55,000 miles and the fluid wasnt too bad. Maybe next time Ill go bac to the green martian shit

Juggalo_X · October 16th, 2007, 12:05 AM

Originally Posted by ja002gl

Originally Posted by Juggalo_X

wrong ATF fluid increasing friction/Fluid drive in the converter causing more rpm's thats all i can think of.

Jug- you remembered my green tranny fluid didnt you!

They took it out and put in the red. That could explain it. The green is thicker or something because its designed to tolerate much higher temps.
So maybe the red is thinner? IDK. I agree with MWW that its better to be slower in rpm at the same speed.

I seen the fluid they took out. It was pretty cool. It was a healthy green color and smelled like crayons. It wasnt burnt at all but it did have some crap in it. There was also a "plug" in the pan they said was normal. Something about keeping the pan "clean" during manufacturing?

Anyway, 55,000 miles and the fluid wasnt too bad. Maybe next time Ill go bac to the green martian shit

yah only thing i can think of is the fluid difference

October 15th, 2007, 04:55 PM	#1
JASonic The George Forman of Keepers Join Date: Feb 2007 Posts: 2,406 iTrader: 20 reviews	tranny fluid and oil change I got a good deal at $140 for a transmission flush and fill and a synthetic Pennzoil oil change. I hope Pennzoil is good because I dont know much about this new sythetic they have. Anyway, something strange happened. At 60 mph, my car has always revved at about 1,900 rpms. After they did this service today, I'm just a bit over 1,800 rpms. Does anyone know why this might be????

October 15th, 2007, 07:28 PM	#3
Timmano Regular 1995 Mustang V6 15.8@90.31 Join Date: Jan 2007 Location: Canada Posts: 385 iTrader: 0 reviews	vcost me 60 for oil changed used all the good stuuf snytic(sp) and 49.99 for tranny change i dunno if thats normal i didnt notice any change __________________ Mods: BBK UD Pulleys Headers Magnaflow with H pipe 85mm Spark plug wires. K&N Air Filter.

October 15th, 2007, 07:29 PM	#4
MWWarlord Hardcore Enthusiast 1995 Mustang convertible Join Date: Sep 2007 Location: Richmond, VA Posts: 1,413 iTrader: 0 reviews	Wait didn't he say his RPMs went down? __________________ MWWarlord 1995 Mustang convertible check out my garage for pics and a complete list of mods. http://www.tricktuners.com

October 15th, 2007, 07:59 PM	#6
MWWarlord Hardcore Enthusiast 1995 Mustang convertible Join Date: Sep 2007 Location: Richmond, VA Posts: 1,413 iTrader: 0 reviews	I don't know why its doing it or if it's normal, but it seem like a good thing. you're going faster at a lower RPM that means that your engine is being more effecient. I could be wrong though. __________________ MWWarlord 1995 Mustang convertible check out my garage for pics and a complete list of mods. http://www.tricktuners.com

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October 15th, 2007, 05:20 PM	#2
Juggalo_X I Post Entirely Way Too Much 2001 Mustang 232/CBR600 14+@Slow Join Date: Jan 2007 Location: South Western Ontario Posts: 6,688 iTrader: 0 reviews	wrong ATF fluid increasing friction/Fluid drive in the converter causing more rpm's thats all i can think of.

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