05-04-2019, 11:29 AM
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#1
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Registered User
Join Date: Jul 2011
Location: Richmond, VA (The Fan)
Posts: 978
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Shorter flywheel bolts for lightweight flywheel
I just tried to install a used light light flywheel and noticed that the factory bolts are too long. Does anyone know where to buy shorter ones? I can’t seem to find them.
Cheers,
Stu
__________________
1997 Boxster 4.2L Audi V8 Bi-Turbo
2003 911 C2
NASA HPDE Instructor
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05-04-2019, 01:44 PM
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#2
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Who's askin'?
Join Date: Mar 2018
Location: Utah
Posts: 2,448
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McMasterCarr.com
Sent from my SM-G970U using Tapatalk
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05-04-2019, 02:59 PM
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#3
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Registered User
Join Date: Dec 2009
Location: Orange County, CA
Posts: 1,955
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my favorite store (So.Cal) for awkward and hard to find metric hardware is McFaden-Dale I found them a couple of decades ago when looking for uncommon size bolts
for the Fiats and Alfas..
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05-04-2019, 03:53 PM
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#4
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Registered User
Join Date: Apr 2010
Location: Canada
Posts: 3,128
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m10x40. just measured mine.
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05-05-2019, 04:56 AM
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#6
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Registered User
Join Date: Jul 2011
Location: Richmond, VA (The Fan)
Posts: 978
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Awesome! You all rock.
__________________
1997 Boxster 4.2L Audi V8 Bi-Turbo
2003 911 C2
NASA HPDE Instructor
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05-05-2019, 06:23 AM
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#7
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Racer Boy
Join Date: Sep 2015
Location: Seattle, WA
Posts: 946
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Yes, we all do rock!
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05-05-2019, 02:07 PM
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#8
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Registered User
Join Date: Oct 2008
Location: O.C. CA
Posts: 3,709
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Quote:
Originally Posted by truegearhead
I just tried to install a used light light flywheel and noticed that the factory bolts are too long. Does anyone know where to buy shorter ones? I can’t seem to find them.
Cheers,
Stu
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I would cut the new factory bolts.
__________________
OE engine rebuilt,3.6 litre LN Engineering billet sleeves,triple row IMSB,LN rods. Deep sump oil pan with DT40 oil.
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05-05-2019, 07:49 PM
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#9
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Registered User
Join Date: Dec 2009
Location: Orange County, CA
Posts: 1,955
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Quote:
Originally Posted by BYprodriver
I would cut the new factory bolts.
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dremel... ? :-)
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05-06-2019, 09:11 AM
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#10
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1998 Boxster Silver/Red
Join Date: Sep 2017
Location: 92262
Posts: 3,070
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Quote:
Originally Posted by Gilles
dremel... ? :-)
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Yup. Dremel it off (measure twice, cut once) and feather the end. You should be good to go!
__________________
1998 Porsche Boxster
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05-06-2019, 12:28 PM
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#11
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Registered User
Join Date: Oct 2008
Location: O.C. CA
Posts: 3,709
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Quote:
Originally Posted by Gilles
dremel... ? :-)
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Thin cutoff wheel, when you buy the bolts make sure to get the same grade as the stock bolts & buy a couple nuts to fit the bolts. Thread a nut onto the bolt before you shorten the bolt, & then removing the nut restores the threads as you remove it.
__________________
OE engine rebuilt,3.6 litre LN Engineering billet sleeves,triple row IMSB,LN rods. Deep sump oil pan with DT40 oil.
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05-06-2019, 02:03 PM
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#12
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Registered User
Join Date: Jul 2011
Location: Richmond, VA (The Fan)
Posts: 978
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You can’t cut them unfortunately the shoulder is too long. I found some replacement 8.8s at Home Depot.
__________________
1997 Boxster 4.2L Audi V8 Bi-Turbo
2003 911 C2
NASA HPDE Instructor
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05-06-2019, 03:47 AM
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#13
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Registered User
Join Date: Dec 2012
Location: FL
Posts: 4,144
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We have a Fastenal down here, if you have one close by you can take in the old bolt. They have a good selection of metric.
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