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Pop goes the wankel?

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Old Mar 20, 2008 | 07:37 PM
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Black1993rx7's Avatar
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Unhappy Pop goes the wankel?

So yeah. I finally got the car out of the garage today. I didn't even plan on leaving the neighborhood, I just wanted to drive her once around the block to see how everything was running. She had no hood and was extremely dirty, nevertheless it felt great.

I was in second gear and wanted to see if I got the vacuum lines and turbos in right so I gave it a little gas only hitting 4 or 5 psi. The exact moment I hit 5 psi I heard a huge pop from the engine bay (i know a backfire when I hear one and this was no backfire). The idle still seemed smooth and the map sensor is still connected.

I am under the impression that if it is an apex seal, it would idle like ****. What can I check besides obvious compression test?
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Old Mar 20, 2008 | 07:39 PM
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damn man sorry, i just took my single turbo which is no where near ready out for a spin and its havin all kinds of drivetrain alignment issues (I THINK, didn't check my bushings, though)

Rebuild coming your way or what?
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Old Mar 20, 2008 | 08:16 PM
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yeah. the good news is that after I rebuild the engine, I will have rebuilt everything (transmission, turbos and engine).

Going single huh? Let me life vicariously through you until I complete my rebuild!






Seriously.
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Old Mar 20, 2008 | 08:19 PM
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What does your boost/vacuum gauge read?

If your idle is still smooth, i doubt you blew a seal. You'll know right away at idle if you lost an apex.

Now a cracked apex, thats a different story. Ill let the vets chime in on that one.
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Old Mar 20, 2008 | 08:21 PM
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Will they crack if they weren't warm enough but got too much pressure?
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Old Mar 20, 2008 | 08:31 PM
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Car was completely warm before I boosted at all. ALWAYS!



Anyway, one of the intercooler pipes popped off, thank god. Scared the **** out of me. Atleast I'll be able to hit 10 psi before a seal goes.
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Old Mar 20, 2008 | 09:27 PM
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ive had the IC pipe slip because of too much oil gettin past the turbos and eventually the seal became very slippery. a loud shotgun like sound.. what did yours sound like?
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Old Mar 20, 2008 | 10:48 PM
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yup. a shotgun would best describe it.

Hit me up when you get your car running. I would like to take a look at it. What side of town you live on?
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Old Mar 20, 2008 | 11:12 PM
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you dont wanna see the auto.. you will cry
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Old Mar 21, 2008 | 07:43 AM
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Lightbulb

Originally Posted by pauli311
Will they crack if they weren't warm enough but got too much pressure?
No.

These motors don't blow that freaking easily guys . As soon as I read the first post I knew what had happened.
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