 need torque value, 911 (901) flywheel torque? |
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| brant |
 Sep 10 2004, 03:24 PM
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#1
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914 Wizard  Group: Members Posts: 11,949 Joined: 30-December 02 From: Colorado Member No.: 47 Region Association: Rocky Mountains 
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He everyone...
I lost my conversion table. my spec. book indicates 15 mkp torque on the 6cylinder flywheel bolts. what is mkp.. or more importantly, how many foot lbs is that? thanks brant |
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| Root_Werks |
Sep 10 2004, 03:34 PM
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#2
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Village Idiot Group: Members Posts: 8,667 Joined: 25-May 04 From: About 5NM from Canada Member No.: 2,105 Region Association: Pacific Northwest
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Make sure you are using brand new flywheel bolts. DON'T re-use the old ones.
The pelican site was 150nm which is 111lbs. I thought it was more like 65lbs? I don't have my book handy. (IMG:style_emoticons/default/huh.gif) |
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| eeyore |
Sep 10 2004, 03:35 PM
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#3
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Senior Member Group: Members Posts: 889 Joined: 8-January 04 From: meridian, id Member No.: 1,533 Region Association: None |
Uh, off the top of my head, I recall my 914/901 flywheel bolts being up around around 85 ft/lbs
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| brant |
Sep 10 2004, 03:36 PM
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#4
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914 Wizard Group: Members Posts: 11,949 Joined: 30-December 02 From: Colorado Member No.: 47 Region Association: Rocky Mountains
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yep.. bought brand new ones...
hmm.... should I go 65 or 111... hmmm... I've got a spec book but don't know what 15mkp is? help brant |
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| brant |
Sep 10 2004, 03:38 PM
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#5
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914 Wizard Group: Members Posts: 11,949 Joined: 30-December 02 From: Colorado Member No.: 47 Region Association: Rocky Mountains
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QUOTE(Cloudbuster @ Sep 10 2004, 02:35 PM) Uh, off the top of my head, I recall my 914/901 flywheel bolts being up around around 85 ft/lbs Cloudbuster, for a -4 or a -6... haynes shows 80lbs for a 4, but is it the same for a -6? brant |
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| J P Stein |
Sep 10 2004, 03:40 PM
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#6
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Irrelevant old fart Group: Members Posts: 8,797 Joined: 30-December 02 From: Vancouver, WA Member No.: 45 Region Association: None |
110 ft/lbs for the 6 bolt flywheel......65 ft/lbs for the 9 bolt..
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| brant |
Sep 10 2004, 03:43 PM
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#7
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914 Wizard Group: Members Posts: 11,949 Joined: 30-December 02 From: Colorado Member No.: 47 Region Association: Rocky Mountains
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thanks everyone...
thanks JP and cloudbuster and rootworks... well back to the garage I guess.... this place is amazing... brant |
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| eeyore |
Sep 10 2004, 03:45 PM
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#8
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Senior Member Group: Members Posts: 889 Joined: 8-January 04 From: meridian, id Member No.: 1,533 Region Association: None |
My numbers were for a -4, sorry.
I did find this handy converter on the Web though... http://mdmetric.com/tech/tech4/torqcalc3.htm |
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| Sammy |
Sep 10 2004, 03:49 PM
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#9
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. Group: Members Posts: 1,190 Joined: 21-January 03 From: Orange, Ca Member No.: 178 |
JP nailed it. The 6 bolts pattern gets the stretch to 90% yield, hence the replace every time thing.
In 1978 porsche put out a service bulletin that said you don't have to replace the bolts anymore, i guess that means that iffn you have a 3.0 or later you can re-use them, 2.7 you replace em every time. |
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| J P Stein |
Sep 10 2004, 03:56 PM
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#10
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Irrelevant old fart Group: Members Posts: 8,797 Joined: 30-December 02 From: Vancouver, WA Member No.: 45 Region Association: None |
QUOTE(Sammy @ Sep 10 2004, 01:49 PM) 2.7 you replace em every time. @ 13 bucks a piece.....AUUGGH....not to mention the "special tool". Such is the price of greatness (IMG:style_emoticons/default/laugh.gif) |
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| Cap'n Krusty |
Sep 10 2004, 06:06 PM
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#11
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Cap'n Krusty Group: Members Posts: 10,794 Joined: 24-June 04 From: Santa Maria, CA Member No.: 2,246 Region Association: Central California |
15 MKP is 108.51 ft/lbs. I replace EVERY flywheel bolt EVERY time. 13 or whatever dollar bolts are zip compared to the labor and parts to replace a crankshaft or even the money to replace a flywheel (or a tranny!). Ya pays yer money, ya takes yer choice ............ The Cap'n
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| J P Stein |
Sep 10 2004, 08:09 PM
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#12
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Irrelevant old fart Group: Members Posts: 8,797 Joined: 30-December 02 From: Vancouver, WA Member No.: 45 Region Association: None |
Hay Cap'n, I got some slightly used ones (only torqued once) I'll sell ya for half price. (IMG:style_emoticons/default/cool_shades.gif)
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