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

Flywheel bolts

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1Flywheel bolts Empty 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

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

johnny gtir

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

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

Mr B

Mr B
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

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

hagger


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

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

Mr B

Mr B
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 Flywheel bolts Wai )
https://drive.google.com/file/d/0B7Ub2apq5-pfQlBqV1RBZU1haWM/view?usp=sharing

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

burrows1980

burrows1980
Sorry for jumping on this, but does that go for any bolts that's being reused? Slightly less torque?

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

Mr B

Mr B
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 .

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

burrows1980

burrows1980
Makes sense, cheers Mr B

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

gtir_woody

gtir_woody
moderator
moderator
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.

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

burrows1980

burrows1980
^ Shocked bit like a chop saw then!

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

gtir_woody

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

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