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> need torque value, 911 (901) flywheel torque?
brant
post Sep 10 2004, 03:24 PM
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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
post Sep 10 2004, 03:34 PM
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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
post Sep 10 2004, 03:35 PM
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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
post Sep 10 2004, 03:36 PM
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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
post Sep 10 2004, 03:38 PM
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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
post Sep 10 2004, 03:40 PM
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110 ft/lbs for the 6 bolt flywheel......65 ft/lbs for the 9 bolt..
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brant
post Sep 10 2004, 03:43 PM
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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
post Sep 10 2004, 03:45 PM
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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
post Sep 10 2004, 03:49 PM
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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
post Sep 10 2004, 03:56 PM
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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
post Sep 10 2004, 06:06 PM
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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
post Sep 10 2004, 08:09 PM
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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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