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Old 05-09-2015, 05:51 AM   #1
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RMS install question.

I replaced this as per Bently.

When my Indy came over to swap the IMS he said man, that looks really deep.

Book said 11mm as I recall. I set it with a depth gauge.

Is this correct? Just him / me? Now I'm reluctant to torque the flywheel bolts.
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Old 05-09-2015, 09:19 AM   #2
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"Look" vs. your measuring instruments ? I say the instrument wins.
There has been some discussion about the correct depth. One aspect is to let the seal wipe on a slightly different 'ring' around the c/s.
Try asking JFP on Renntech for the geekish details?
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Old 05-09-2015, 09:35 AM   #3
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The 11mm is from the crank face and not the crank case. Easy mistake to make. I did.
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Old 05-09-2015, 10:55 AM   #4
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Quote:
Originally Posted by flaps10 View Post
The 11mm is from the crank face and not the crank case. Easy mistake to make. I did.
Oh ****************. I did it wrong. Glad I asked!!

Thanks.
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Old 05-09-2015, 12:51 PM   #5
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Quote:
Originally Posted by Timco View Post
I replaced this as per Bently.

When my Indy came over to swap the IMS he said man, that looks really deep.

Book said 11mm as I recall. I set it with a depth gauge.

Is this correct? Just him / me? Now I'm reluctant to torque the flywheel bolts.
For the newer PTFE seal, the correct installed depth is 13 MM measured from the flywheel mating face on the crankshaft. This is where Porsche's $500 installation tool puts it.

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Last edited by JFP in PA; 05-09-2015 at 12:56 PM.
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Old 05-09-2015, 12:58 PM   #6
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RennTech also has the very simple "Home Depot" pvc install tool instructions. Worth using because if the seal goes in canted,it is useless and you'll destroy it when removing it and you will have to reorder -.
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Old 05-09-2015, 02:11 PM   #7
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I used the bell end of a stick of 3" schedule 40 PVC. Perfect fit.

Good thing I bought two. I'll pull & reset.

Thanks.
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Old 05-09-2015, 02:37 PM   #8
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Use the bolts also -per RennTech to avoid canting the seal.
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