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Series I AT-Specific Performance Mods Discuss engine and transmission modifications for your AT equipped RX-8

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Old 02-23-2011, 07:45 PM   #1  
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Highest Mileage A/T Only

So I've looked around the forums quite a lot and I've seen threads like this and wondered, what's the best running auto? I've seen a lot of premature engine failures and a lot of people say the autos have some of the worst track record. Well I say SHUN TEH NON BELIEVERS. I've got an 04 that's nearing the 93k mark and it still has a lot of pep to it. I think the real reason of starting this thread is to show the auto can hit past the 100k mark and beyond just like any other.
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Old 02-23-2011, 09:14 PM   #2  
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First engine 30k
Second engine 35k (65k on the car)
Third engine still going (102k on the car)
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Old 02-23-2011, 09:58 PM   #3  
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first engine -98,000
second - 122,000 and still going strong..
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Old 02-24-2011, 06:16 AM   #4  
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98K on my '06 AT
no problems so far
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Old 02-24-2011, 08:17 AM   #5  
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First engine failed at 59k
Second Failed after 10 miles (lol weird I know)
Third Engine going strong at 65k...
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Old 02-24-2011, 08:56 AM   #6  
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First engine replaced at 21k (bad housing)
Second still going at 55k and runs fine. It has spent 30k of it's 34k life boosted.
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Old 02-25-2011, 01:10 PM   #7  
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The issue I see with the a/t is that the engine rarely revs to a healthy rpm unless you manually paddle shift it. I virtually always shift my a/t manually for this reason, and due to the extra tall overdrive, I never engage 6th unless I'm going to be cruising at least 75 mph (and even then the engine is only turning about 2500 rpm).

The upside of the a/t is the car is quieter at cruising speeds, the fuel mileage is a bit better, and (all other things being equal) the motor should get less wear due to fewer revolutions. BUT, gotta keep the carbon cleared out !
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Old 02-25-2011, 03:07 PM   #8  
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Just passed 100K on mine, first engine died at 89K running strong ever since!
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Old 03-07-2011, 06:43 PM   #9  
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I've got 93K on my 2005 RX8 AT. Never had a problem!
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Old 03-07-2011, 06:50 PM   #10  
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Hit 93k a few days ago. Most I've had to do was replace my SSV.

One thing I forgot to mention to everyone. What fluids do you run? 5-30 oil, premium gas shell or chevron
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Old 03-08-2011, 09:28 AM   #11  
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1st engine at 1134
2nd engine at 14500
3rd engine at 38000
4th engine at 65000
4th ones the charm so far with 90000 on the car
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Old 03-08-2011, 09:59 AM   #12  
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Quote:
Originally Posted by Figs View Post
Hit 93k a few days ago. Most I've had to do was replace my SSV.

One thing I forgot to mention to everyone. What fluids do you run? 5-30 oil, premium gas shell or chevron
5-30w synth Winter and 10-30w synth Summer.
Gas is what ever is the least expensive. All Az gas sucks, and I run Idemitsu pemix.
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Old 03-09-2011, 06:42 AM   #13  
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5-20w synthetic
rot gut premium gas...better gas milage every time i swear haha
20.5 - 21.5mpg everytime
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Old 03-09-2011, 09:36 AM   #14  
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rot gut premium gas
Define rot gut lol, is that like that stuff you find at those sketchy liquor stores in the ghetto?
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Old 03-09-2011, 11:15 AM   #15  
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thats the stuff!
contaminated water and skunk liquor run-off helps the MPG???
hahaha
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Old 03-24-2011, 07:26 AM   #16  
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Hi,

I'm a new owner of an '06 A/T Shinka. Should I add an additive, such as Z-Max? Any response appreciated. Thanks

Gibby
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Old 03-25-2011, 01:56 PM   #17  
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I've got 73K on mine. I've done all the recommended maintenance. I am going to change the coils, plugs, & wires this weekend. Only problem I've really had that I could not get fixed with the motor is the rough idle & some power loss at low RPM's that started around 45K, and I hope that the coils will fix it.
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Old 03-26-2011, 01:55 AM   #18  
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74500k on first motor
4k on new motor
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Old 03-27-2011, 10:43 PM   #19  
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Quote:
Originally Posted by adamci24 View Post
First engine failed at 59k
Second Failed after 10 miles (lol weird I know)
Third Engine going strong at 65k...
what happened there?

decently strong at 87k right now, despite people claiming that 04 4speed auto should have never existed
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Old 03-28-2011, 06:59 PM   #20  
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trying again...

Hi,

I'm a new owner of an '06 A/T Shinka. Should I add an additive, such as Z-Max? Any response appreciated. Thanks

redline, royal purple ????

Gibby
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Old 03-28-2011, 07:12 PM   #21  
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Additive? For what? The most I've ever heard people use would be idemetsu premix (think that's what its called) other than that from what I know everything else is snake oil.

Last edited by Figs; 03-28-2011 at 07:16 PM.
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Old 03-28-2011, 10:30 PM   #22  
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i thought royal purple was just oil..? idk i wouldnt do it, just cuz
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Old 03-29-2011, 06:10 PM   #23  
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thanks guys... just trying to learn about the rotary.

Dr.8
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Old 04-01-2011, 06:32 AM   #24  
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75k on first engine and running strong
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Old 04-07-2011, 07:09 AM   #25  
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77k on my first engine, awaiting approval for new engine.....Mine just blew ]=
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