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Gtir Motorsport club » Tech room » Help and Advice » Flywheel bolts

Flywheel bolts

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1 Flywheel bolts on 19th March 2016, 3:57 pm

hagger


Hello there pulsar people,does anybody know the torque setting for the flywheel to crank bolts.I have found every other torque spec in the book but this one eludes me. Any help very welcome... cheers

2 Re: Flywheel bolts on 19th March 2016, 4:29 pm

johnny gtir

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moderator
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Not the answer you were looking for but tight with semi perminant lock tight would do

3 Re: Flywheel bolts on 19th March 2016, 4:45 pm

Mr B

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gtir technician
gtir technician
130NM 96lb/ft on oem bolts & flywheel .
I do old bolts less than that (110NM 80lb/ft) & with bit of threadlock as safer & saves breakages

4 Re: Flywheel bolts on 19th March 2016, 5:49 pm

hagger


many thanks there Mr B. Im getting closer to finishing my everlasting project ;-)

5 Re: Flywheel bolts on 19th March 2016, 7:18 pm

Mr B

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gtir technician
gtir technician
Here's a pdf with 54C cylinder block torques .
(nothing special it just from the R owners Bible, chapter EM - verse 143 )
https://drive.google.com/file/d/0B7Ub2apq5-pfQlBqV1RBZU1haWM/view?usp=sharing

6 Re: Flywheel bolts on 19th March 2016, 7:45 pm

burrows1980

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Sorry for jumping on this, but does that go for any bolts that's being reused? Slightly less torque?

7 Re: Flywheel bolts on 19th March 2016, 8:03 pm

Mr B

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gtir technician
gtir technician
No, just that torque is very high for bolt size/spec & seen odd reused ones snap at 130NM (drilled couple out for a guy & had 1 snap myself so I dropped the torque & added little drop of thread lock to save any potential hassle & 110NM is still super tight on a 11mm 1mm pitch bolt .

8 Re: Flywheel bolts on 19th March 2016, 8:23 pm

burrows1980

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Makes sense, cheers Mr B

9 Re: Flywheel bolts on 19th March 2016, 9:10 pm

gtir_woody

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Thread lock is a good idea, you don't want it coming loose.

I knew a guy, his flywheel came off, went straight through the gearbox housing, also cut the brake lines aswell.

10 Re: Flywheel bolts on 19th March 2016, 9:17 pm

burrows1980

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^ Shocked bit like a chop saw then!

11 Re: Flywheel bolts on 19th March 2016, 9:20 pm

gtir_woody

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Yup Laughing imagine driving along and seeing someone flywheel go straight through their bonnet LOL

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