Hi i just wanted to know what the do's and don'ts are for shifting from 1 to 2 to drive while racing an auto max.

 

#1 rule---do NOT do it!

 

why?

 

why?? because if you wanted a stick shift, you shoulda bought one!!!

an automatic is exactly what it sounds like....AUTO-MATIC meaning it does the shifting for you

 

Really, it's bad? I wouldn't dare do it to my baby, but my friend does it to his automatic '99 Maxima all the time. Actually, we took it out on Tuesday night after he finally put a K&N air filter in it and he was doing it the whole time.

 

if you have a 00-01 thenshift right when the needles passes 6. that will give it enough time to shift before the rev limiter hits. i dont shift at 6 all the time but i do use engine braking a good bit. i feel pretty safe with a tranny cooler and mobil 1 atf to keep things cool. if you want to know how to shift a 2k2 then ask blubyu2k2.

 

does it wear down the tranny any more than the regular auto shifting?

 

yes, you are causing more heat causing it to downshift. there are ways to protect it-vb mod, tranny cooler and synthetic fluid. the first will actually increase tranny temp which is why a tranny cooler is needed. mobil 1 atf will lower the operating temp as well. im sure it takes life off the transmission even with the cooler and fluid but im not keeping this car past 100k.

 

umm, dude, i'm not sure you know what you're talking about. moving the shift lever manually is no different to the transmission than letting it shift itself. its not a manual where you are physiocally changing the gears. you are more 'suggesting' to the ECU when to shift. and it does it just the same as it always does. now, you can have more wear and tear because you can hold the engine to higher RPMs (ie redline instead of 500 rpm before), but it won't necessarily hurt your transmission.

 

Doing a 1-2 causes the transmission to upshift.

All your doing is just overriding the computers shift mapping on upshifts. It's not going to hurt the car at WOT, but could create excessive heat and wear under normal driving as you are overriding the optimal shift points for the throttle position. Besides, you can't mess up at WOT, there's to many goof-proofs...Rev limiter that kicks in at redline, no "1" selection above 40mph, no "2" selection above 70mph ect..

Is it safe? Yes
Should you do it? If you feel like it
Why should you do it? To override the 5,900-6,100rpm shift points at WOT

1-2 should be done at 6,100rpms on warm days, 5,900rpms on cold days (even the updated TCM is slower when its cold) or 39mph
2-3 should be done at 6,400rpms regardless of weather or 76mph
3-4 should be done at 6,400pms or 128mph at your own risk!

Why are you guys bagging on auto guys manually shifting? Do you guys NOT know that its the best way to get full performance out of a 00-01?

 

ironlord-my comments before were mainly aimed at downshifting, notice i said engine braking. if you dont think downshifting to 2nd at 55 miles an hour to get real close to the VI switchover causes more heat in the tranny then you need a tranny guage.

 

I have to admit, I drove my 98 SE auto that way, never had a single tranny problem, I do the same with my 2k1SE AE, never had a problem, but I know how to drive an auto and I dont screw my shift. Oh btw why would they have put the 1-2 -D shift on the tranny if not for using it. I have a 6 years experience of driving daily in a maxima auto tragic and I shift manually most of the time, and I never had a single problem with the tranny, and it no BS.

If you do it, then do it right.

Cheers

AA

 

Thx a lot for the info.

 

Do i let the gas go before the shift. It just after driving the manual i always whant to let the gas go before i shift on my auto!
How do I manualy shift 2k2 max?

 

No way. Never let off that would defeat the purpose!!

 

Let me clarify: We ARE still talking launch here, right? I was just assuming so in my reply above.

 

Here's a general summation for you guys that are apparently in the dark about manually shifting your auto.
2 reasons to manually get involved with your slushbox:
1) you are trying to get the best launch on the track for 1/4 mile or whatever. ScreamingVQ described EXACTLY how to do that.
2) you are wanting to hold a lower gear temporarily (keep your auto from shifting) so you have power ready for you instantly. Examples of this are: 1) driving into a curve about 40-50mph; go ahead and downshift to second before the curve so your engine is already tached up and ready to go when you exit the curve. The idea is to save the tranny from having to downshift when you are ready to take off. 2) taking off from a light but someone is in front of you and you know when they move you are going to haul @$$. Shift manually - start in first and hold it there till the guy moves out of the way then stomp it. Again the tranny does not have to downshift, its just common sense thats all.

As stated above, this does not hurt your transmission!! In fact it saves some hard shifting if you are driving it hard anyway so you might even be doing it a favor>

If you do dumb things like jerking the lever back and forth for no reason or just randomly sticking it in a different gear, yes you will f*** it up. Just use good common sense and drive smoothly.

 

Hellz no dude..you dont have a clutch..you have an A-U-T-O..remember that!!

 

this is prolly the hottest break down from an .org member i have ever seen....straight to the point wioth th how to...nicely done...

just my .02