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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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Andy 1980 SC soon to be big hp 3.3t powered 73RSR Replica (well, I'm keeping the engine but everything else is going ![]() |
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Air Medal or two
Join Date: Jul 2003
Location: cross roads
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most shops will say no.....most of us do anyway cause were insequre and all ready there...............
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D troop 3/5 Air Cav,( Bastard CAV) and 162 Assult Helicopter Co- (Vultures) South of Saigon, U Minh Forest, Delta, and all parts in between |
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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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1999 996 C4 Cabriolet 1997 BMW M3 (Hail) 1985 928 S (Sold) 1982 SC Targa (Sold) |
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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 ![]() |
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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 1997 BMW M3 (Hail) 1985 928 S (Sold) 1982 SC Targa (Sold) |
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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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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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Andy 1980 SC soon to be big hp 3.3t powered 73RSR Replica (well, I'm keeping the engine but everything else is going ![]() |
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Author of "101 Projects"
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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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Wayne R. Dempsey, Founder, Pelican Parts Inc., and Author of: 101 Projects for Your BMW 3-Series • 101 Projects for Your Porsche 911 • How to Rebuild & Modify Porsche 911 Engines • 101 Projects for Your Porsche Boxster & Cayman • 101 Projects for Your Porsche 996 / 997 • SPEED READ: Porsche 911 Check out our new site: Dempsey Motorsports |
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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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Andy 1980 SC soon to be big hp 3.3t powered 73RSR Replica (well, I'm keeping the engine but everything else is going ![]() |
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Author of "101 Projects"
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Wow, that's even with the crappy exchange rates now...
Oh, wait a sec, it works in your favor right now... -Wayne
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Wayne R. Dempsey, Founder, Pelican Parts Inc., and Author of: 101 Projects for Your BMW 3-Series • 101 Projects for Your Porsche 911 • How to Rebuild & Modify Porsche 911 Engines • 101 Projects for Your Porsche Boxster & Cayman • 101 Projects for Your Porsche 996 / 997 • SPEED READ: Porsche 911 Check out our new site: Dempsey Motorsports |
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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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Andy 1980 SC soon to be big hp 3.3t powered 73RSR Replica (well, I'm keeping the engine but everything else is going ![]() |
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