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adomakin's Avatar
 
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number 8 nose bearing-do i need to replace it?

how can i tell if my number 8 nose bearing is any good? do they fail? do you HAVE to replace it?

Andy
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1980 SC soon to be big hp 3.3t powered 73RSR Replica (well, I'm keeping the engine but everything else is going )
Old 12-13-2004, 11:24 AM
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most shops will say no.....most of us do anyway cause were insequre and all ready there...............
Old 12-13-2004, 12:12 PM
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I would think that as long as it's still in spec, it would be fine. Not sure what spec is on these but it doesn't seem like a part that needs to be replaced.
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Old 12-13-2004, 01:07 PM
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hmmm........
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Andy

1980 SC soon to be big hp 3.3t powered 73RSR Replica (well, I'm keeping the engine but everything else is going )
Old 12-13-2004, 01:32 PM
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Maybe you should document what type of engine your building. That might help some of the experts to chime in on replace vs. reuse.
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1999 996 C4 Cabriolet
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1985 928 S (Sold)
1982 SC Targa (Sold)
Old 12-13-2004, 03:27 PM
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it gets particles imbedded into it just like the rest of the bearings. in fact, it is a bearing. it also takes a lot of side load from running the a/c and alternator. replace it.
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Old 12-13-2004, 04:56 PM
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just pulled it off the end of the crank and i can see a an area that seems to have been taking a loading on both the inside and outside bearing surface. me thinks its time to buy a new one.

thanks for your advice blokes

Andy
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1980 SC soon to be big hp 3.3t powered 73RSR Replica (well, I'm keeping the engine but everything else is going )
Old 12-13-2004, 11:07 PM
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It's a good bet to replace it, although you can spec it out and check it against the dimensions in the Engine Book to see if it's still in spec.

-Wayne
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Old 12-15-2004, 01:02 AM
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thanks Wayne, spoke to Tom yesterday and ordered a new one. your price including express delivery (and my free mug!)-$160, my porsche dealer-$254 PLUS delivery and no free mug. I love the UK!

Andy
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1980 SC soon to be big hp 3.3t powered 73RSR Replica (well, I'm keeping the engine but everything else is going )
Old 12-15-2004, 04:58 AM
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yep-im trying to buy as much stuff from the states as possible without my wife finding out!

Andy
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1980 SC soon to be big hp 3.3t powered 73RSR Replica (well, I'm keeping the engine but everything else is going )
Old 12-15-2004, 11:01 PM
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