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Turbo 8 Misfires check out video....

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Old 09-04-2012 | 10:31 AM
  #26  
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From: Caput Mundi
You have to be blunt Scott.

Rex8y find another tuner and also do a compression test. 93k on an engine may make every attempt to fix a problem completely useless.
Welcome to the real world of incompetent "professionals".
Old 09-04-2012 | 10:32 AM
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It is really rich...dumping fuel like crazy...tune can't be too good

The stock plugs will be fine at 4-5 psi...so it is unlikely that

Quit driving it before you pop the motor...won't last long at that mileage with a bad tune
Old 09-04-2012 | 11:06 AM
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that i need new coils and plugs
idk
Old 09-04-2012 | 11:25 AM
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oh im not driving it but thanks ill find a new tuner... any recommendations for mass?
Old 09-04-2012 | 11:30 AM
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MA

Originally Posted by rotaryPilot
Either you have lost an ignition coil or your engine is blown. Just remove the ignition coil connector clips of the second rotor and try to crank the engine. If it will start then do again the same action but this time remove the first rotor ignition coil’s connector. If it will never start then the problem resides in the second rotor ignition coils or spark plugs or plugs wires. If ignition coils/spark plugs/plugs are ok (replace first the ignition coils) the engine is blown.
i did this and it didnt start with one side so i will change the spark plugs first if that doesnt work then the coils thanks a million u know what ur talking about...
Old 09-04-2012 | 11:37 AM
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Lol whatever.
Old 09-04-2012 | 11:48 AM
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Did the tuner alter the dwell for the BHR coils?

There are so many ways to FUBAR up the Cobb tune if you don't know what you are doing.....surprised though..at 4psi it would likely run on the stock tune without too much problem
Old 09-04-2012 | 05:47 PM
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I have no clue what that is or means...
but I will be towing my car to the tuner
I changed coils, plugs, wires and it did the same i changed the tuners map to factory and it was still doing the same, soon my friday i will let you guys know what exactly was the problem with the car just in case it happens to someone else again they can use this as a reference...
Old 09-04-2012 | 05:53 PM
  #34  
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Originally Posted by Rex8y
I have no clue what that is or means...
but I will be towing my car to the tuner
I changed coils, plugs, wires and it did the same i changed the tuners map to factory and it was still doing the same, soon my friday i will let you guys know what exactly was the problem with the car just in case it happens to someone else again they can use this as a reference...
Members who go through this experience will likely never find this thread, as the members who go through this experience show little knowledge, and even less research on the subject.
Old 09-04-2012 | 06:32 PM
  #35  
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not sure how close you are to norwood, but DSG - DENT Sport Garage - Self Built. A sport garage in Norwood, MA. USA is very popular amongst the rx7 forums
Old 09-04-2012 | 07:15 PM
  #36  
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research i spend like 5 hours reading forums and no body have had a problem like mine or similar so this is why i created a new post...
and i know exactly where that is thanks i will consider...
Old 09-05-2012 | 01:30 AM
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Originally Posted by Rex8y
I have no clue what that is or means...
but I will be towing my car to the tuner
I changed coils, plugs, wires and it did the same i changed the tuners map to factory and it was still doing the same, soon my friday i will let you guys know what exactly was the problem with the car just in case it happens to someone else again they can use this as a reference...
Ι wish to be proved wrong for this diagnosis but I guess that the engine is blown.

It is very common to turbocharge a many miles renesis and blow up the engine because the apex seals are very worn and cannot handle even the lowest boost.

You should always measure compression before turbocharging.

Keep us updated for your issue
Old 09-07-2012 | 05:27 PM
  #38  
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blown engine as rotarypilot predicted thanks everyone for all the help specially rotary pilot that knew what he was talking about since the beginning...
Old 09-08-2012 | 09:28 AM
  #39  
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Blown engine due to a jacked up tune I would guess.
Old 09-08-2012 | 10:41 AM
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Originally Posted by Rex8y
blown engine
That sucks.
Thanks for updating the thread.
Old 09-10-2012 | 01:44 AM
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Originally Posted by 9krpmrx8
Blown engine due to a jacked up tune I would guess.
Yes this is possible. However, another possibility is that the engine had a lot of miles and the apex seals could not handle the boost. Finally, emange tuning may be the weak point (if that RX-8 was tuned with emanage )
Old 09-10-2012 | 03:16 PM
  #42  
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yeah i dont think it was the tune, but the apex being worn out most likely and it was tuned with a cobb accessport
Old 09-10-2012 | 03:18 PM
  #43  
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From: Caput Mundi
Tuned by who? how many rx8s did he tune before tackling yours?

Change tuner with the next engine.
Old 09-10-2012 | 03:20 PM
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the tool used to do the tuning is not as important as the person doing the tuning. It very well could have been a bad engine to begin with but we will never know. Either way, boosting a high mileage Renesis without planning for a rebuild is crazy. I hope the OP has the means to get the engine rebuilt and get back on the road.
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