1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

13b Turbo FB guys, GSL-SE front cover OMP question

Old Aug 5, 2011 | 01:19 PM
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13b Turbo FB guys, GSL-SE front cover OMP question

so my motor is a S5 Tii, the OMP has been blocked off with plates on my GSL-SE front cover. During the assembily of the stuff inside the front cover I ran into a issue (maybe not) The issue is, the OMP driveshaft/gear, is this required if I already have it blocked? I cannot remember if I removed this off the last motor cause I did the dis assembily 3-4 months ago. ArmyofOne helped me on the assembily last night and this question came up, I was told the only way this OMP shaft is to remove is through the outside (assuming the frt cover is bolted to the iron) the GSL-SE front cover. Which still has the block off plate intact and I have not removed this.

Any input or insight you guys have would be greatly appreciated!
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Old Aug 5, 2011 | 01:22 PM
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#146201, i think this is the part I'm trying to explain. hope that helps

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Old Aug 5, 2011 | 01:38 PM
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so the highlighted area is the what I'm asking about
Attached Thumbnails 13b Turbo FB guys, GSL-SE front cover OMP question-frontcover.jpg  
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Old Aug 5, 2011 | 01:46 PM
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From: https://www2.mazda.com/en/100th/
its best to leave it in, if you remove it you MUST block the oil passage there, otherwise the main bearings starve for oil.

i think the only way to remove the shaft is from the inside?
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Old Aug 5, 2011 | 02:01 PM
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so in your opinion, even with the outside blocked, I still would need to leave the shaft in ?
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Old Aug 5, 2011 | 02:07 PM
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I have my OMP blocked in my 13B. I left the shaft in place as well.
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Old Aug 5, 2011 | 04:45 PM
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From: https://www2.mazda.com/en/100th/
Originally Posted by notveryhappyjack
so in your opinion, even with the outside blocked, I still would need to leave the shaft in ?
yep, leaving the shaft in is better than taking it out
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Old Aug 5, 2011 | 08:38 PM
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if you take the shaft out your oil pressure will drop...... not good
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Old Aug 8, 2011 | 12:01 PM
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shaft is back in and the front cover is on, I'm still baffled how I removed it in the first place without taking the block off plate out. Thanks FB guys
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