[Z06] A few Questions
Thread Starter
Melting Slicks
Joined: Jan 2006
Posts: 2,907
Likes: 6
From: Madison WI
A few Questions
Hey guys, i just wanted to run a few things by you to see if they are normal for these cars.
first, when i make very slow turns, 1-5mph, such as pulling out of my driveway, it feels like the tires bind or "pop" much like the way they feel when rolling over a rock. it's hard to explain so i hope some of that makes sense. is it because the tires are so wide up front combined with the camber change when turning the wheels?
the second thing is when it's cold like when its been sitting for a few hours, the shift into second and third feel extra grappy/notchy. it's almost like it's putting up a small amount of resistance but it never grinds. after a few miles and the motor is warm it goes away. is this normal? also the temps here have been in the 20's on average so it's pretty cold. the only reason i find it strange is that my mustang doesn't do it at all when no matter what the temp.
any input would be great. thanks in advance guys!
first, when i make very slow turns, 1-5mph, such as pulling out of my driveway, it feels like the tires bind or "pop" much like the way they feel when rolling over a rock. it's hard to explain so i hope some of that makes sense. is it because the tires are so wide up front combined with the camber change when turning the wheels?
the second thing is when it's cold like when its been sitting for a few hours, the shift into second and third feel extra grappy/notchy. it's almost like it's putting up a small amount of resistance but it never grinds. after a few miles and the motor is warm it goes away. is this normal? also the temps here have been in the 20's on average so it's pretty cold. the only reason i find it strange is that my mustang doesn't do it at all when no matter what the temp.
any input would be great. thanks in advance guys!
Pro
Joined: Oct 2003
Posts: 501
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From: Jordan MN
Yes, the binding is normal. I get in particularly when reversing out of a parking spot when turning sharp in reverse.
Until the oil in the gearbox warms up you will have a little resistance shifting, that's normal too.
Until the oil in the gearbox warms up you will have a little resistance shifting, that's normal too.
Thread Starter
Melting Slicks
Joined: Jan 2006
Posts: 2,907
Likes: 6
From: Madison WI
hey thanks a lot for the info!! that's what i was hoping to here and i figured it was all normal but just needed to hear it from someone else. thanks again for the help, this site is awesome!!
Pro
Joined: Oct 2003
Posts: 501
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From: Jordan MN
Originally Posted by overBlown
hey thanks a lot for the info!! that's what i was hoping to here and i figured it was all normal but just needed to hear it from someone else. thanks again for the help, this site is awesome!!
Melting Slicks
Joined: Jul 2006
Posts: 2,094
Likes: 5
From: The 7th layer of hell - Western Washington
the only time I notice the popping in the front end is after the car has been sitting over night, and it goes away after 100 ft or so.
the gear box binding is normal too, you may try replacing the fluid and see if that helps any - did some good for me...
the gear box binding is normal too, you may try replacing the fluid and see if that helps any - did some good for me...
Melting Slicks
Joined: Oct 2006
Posts: 2,228
Likes: 5
From: Gainesville Georgia
Originally Posted by jbauch357
the only time I notice the popping in the front end is after the car has been sitting over night, and it goes away after 100 ft or so.
the gear box binding is normal too, you may try replacing the fluid and see if that helps any - did some good for me...
the gear box binding is normal too, you may try replacing the fluid and see if that helps any - did some good for me...
Same here
Racer
Joined: Apr 2006
Posts: 386
Likes: 0
From: Wichita Kansas
The shifting hard cold is due to oil temperature as you suspected. Corvette's have very shi**y manual transmissions.
The popping you feel is the limited slip rear end not slipping so well. That's why we add the extra slip additive to our rear ends (at least to the stock non synthetic oil). Nothing to worry about.
Dave
The popping you feel is the limited slip rear end not slipping so well. That's why we add the extra slip additive to our rear ends (at least to the stock non synthetic oil). Nothing to worry about.
Dave
Safety Car
Joined: May 1999
Posts: 3,651
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From: Atlantis
Cruise-In I Veteran
Originally Posted by 99vettecoupe
Yes, the binding is normal. I get in particularly when reversing out of a parking spot when turning sharp in reverse.
Until the oil in the gearbox warms up you will have a little resistance shifting, that's normal too.
Until the oil in the gearbox warms up you will have a little resistance shifting, that's normal too.
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Le Mans Master
Joined: Nov 2005
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From: Kendall Park NJ
I have had balky shifts into 2nd gear. On the first two passes at the dragstrip on 11/3/06 I could not get it into 2nd. On my third pass I ran a 12.01. Ranger said that I may have overheated the clutch on the first 2 passes.
Thread Starter
Melting Slicks
Joined: Jan 2006
Posts: 2,907
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From: Madison WI
Originally Posted by GARY2004Z06
I have had balky shifts into 2nd gear. On the first two passes at the dragstrip on 11/3/06 I could not get it into 2nd. On my third pass I ran a 12.01. Ranger said that I may have overheated the clutch on the first 2 passes.
uuummmm........thanks?
Le Mans Master
Joined: Dec 2001
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From: Winchester TN
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Hi Overblown -
You are spot on regarding the tire-slip of the front tires.
I have not noticed my trans needing to "warm up".
The Tremec has DexronIII ATF in it, and that stuff does not get thick at normal low temps - it stays pretty thin even when at freezing as compared to conventional gear oils found in many transmissions.
I don't think you have a problem, but as stated above, it is well worth changing out the trans and diff fluids - and it's very easy too.
best regards -
mqqn
You are spot on regarding the tire-slip of the front tires.
I have not noticed my trans needing to "warm up".
The Tremec has DexronIII ATF in it, and that stuff does not get thick at normal low temps - it stays pretty thin even when at freezing as compared to conventional gear oils found in many transmissions.
I don't think you have a problem, but as stated above, it is well worth changing out the trans and diff fluids - and it's very easy too.
best regards -
mqqn
Racer
Joined: Jul 2006
Posts: 447
Likes: 0
From: San Jose Ca
Originally Posted by mqqn
Hi Overblown -
You are spot on regarding the tire-slip of the front tires.
I have not noticed my trans needing to "warm up".
The Tremec has DexronIII ATF in it, and that stuff does not get thick at normal low temps - it stays pretty thin even when at freezing as compared to conventional gear oils found in many transmissions.
I don't think you have a problem, but as stated above, it is well worth changing out the trans and diff fluids - and it's very easy too.
best regards -
mqqn
You are spot on regarding the tire-slip of the front tires.
I have not noticed my trans needing to "warm up".
The Tremec has DexronIII ATF in it, and that stuff does not get thick at normal low temps - it stays pretty thin even when at freezing as compared to conventional gear oils found in many transmissions.
I don't think you have a problem, but as stated above, it is well worth changing out the trans and diff fluids - and it's very easy too.
best regards -
mqqn
Could you image the T56 tranny (mn6 or 12) if it had 90w in it?To the ****ty transmission comment, Are you on something? I can name over 2 dozen worse ones.
Also, its NEVER EVER a bad thing to change the transmission fuild. I would suggest AmsOIL ATF+4. I run it, and it helped quite a bit with the stubborn shifting when cold in my vette, and neon srt-4.
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From: King George VA
Originally Posted by Sick Z06
+1 Could you image the T56 tranny (mn6 or 12) if it had 90w in it?
Could you image the T56 tranny (mn6 or 12) if it had 90w in it?Interestingly, Dodge recommends a 90 weight gear oil for the T56 in the SRT-10 Viper and the above MTG is what AMSOIL recommends for the T56 in the Viper whereas they recommend the above linked ATF for the T56 in the Corvette since that is what GM recommends.
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Racer
Joined: Jul 2006
Posts: 447
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From: San Jose Ca
Originally Posted by Subdriver
The viscosity of an ATF and a 90 weight gear oil probably aren't as different as you'd think. The AMSOIL ATF has a viscosity of 37.4 cSt at 40C (100F) and 7.5 cSt at 100C (212F) whereas the Synthetic Manual Transmission and Transaxle Gear Lube 75W-90 API GL-4 has a viscosity of 84.5 cSt at 40C and 14.7 cSt at 100C, about double that of the ATF.
Interestingly, Dodge recommends a 90 weight gear oil for the T56 in the SRT-10 Viper and the above MTG is what AMSOIL recommends for the T56 in the Viper whereas they recommend the above linked ATF for the T56 in the Corvette since that is what GM recommends.
Interestingly, Dodge recommends a 90 weight gear oil for the T56 in the SRT-10 Viper and the above MTG is what AMSOIL recommends for the T56 in the Viper whereas they recommend the above linked ATF for the T56 in the Corvette since that is what GM recommends.
Also do note the syth 75-90 is double the viscosity atleast, over what ATF is.
Premium Supporting Vendor
Joined: Aug 2001
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From: King George VA
Originally Posted by Sick Z06
Also AMS is only going by a fluid replacement specification and comparison to the originally recommended fluid type from dodge.