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915 1/2 Slider
Ugh. Not sure about the new slider for my ‘81 915. I received a box of goodies from Pelican this week and one of those parts is a 1/2 slider. While inspecting, it just looks different. I doesn’t have a fully ground synchro engagement surface. The second gear side of the slider has a “machined” surface. To me, it looks like a grind, or more, was missed on the slider. Does this look right?
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'81 911 SC '03 BMW M3 (Sold) '64 VW Beetle, 2332, 48 IDA (Sold) Instagram: @j_smallwood |
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12-10-2023, 11:19 AM
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Bump for input. This is new territory for me.
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'81 911 SC '03 BMW M3 (Sold) '64 VW Beetle, 2332, 48 IDA (Sold) Instagram: @j_smallwood |
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12-11-2023, 11:28 AM
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Take another pix in the same position but flip the new sleeve for observation of symmetry.
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12-11-2023, 12:42 PM
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The new slider is on the left in all pics, but flipped in some.
   
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'81 911 SC '03 BMW M3 (Sold) '64 VW Beetle, 2332, 48 IDA (Sold) Instagram: @j_smallwood |
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12-11-2023, 01:12 PM
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The recess in the center looks ok and give the detent feeling of engagement. The rest of it including the flats on the side not so good. Aftermarket parts can be hit and miss.
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12-11-2023, 05:41 PM
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Here is a late brake band and anchor block, the one on the right is not so good
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12-11-2023, 05:45 PM
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This was the “Porsche” version. I went ahead and received a RMA from pelican and will ship it back tomorrow. A replacement is on the way. Fingers crossed that the second one is good.
Thanks for looking at this!
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'81 911 SC '03 BMW M3 (Sold) '64 VW Beetle, 2332, 48 IDA (Sold) Instagram: @j_smallwood |
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12-11-2023, 06:04 PM
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if i am not mistaken the one on top pic left is not for 1 and 2 gears.The 1st gear side has different angle on the original slider as are the doot teeth on the 1st gear..
Ivan
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1985 911 with original 502 191 miles...808 198 km "The difference between genius and stupidity is that, genius has its limits". Albert Einstein. |
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12-12-2023, 01:29 AM
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Looks like you bought the symmetric 1-2 slider but it appears you have an asymmetric 1st gear dog teeth, so you need the asymmetric 1-2 slider, which is a different part number. 930-302-411-02
Unless you changed your first gear dog teeth back to symmetrical for some reason. https://forums.pelicanparts.com/porsche-911-technical-forum/198932-915-1st-gear-asymmetrical-hub-update-kit.html |
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12-12-2023, 05:18 AM
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I bought this first gear dog tooth:
https://www.pelicanparts.com/More_Info/101550312.htm?pn=10-1550-312-M157 And I bought this slider: https://www.pelicanparts.com/cgi-bin/smart/more_info.cgi?pn=930-302-411-03-OEM This slider is asymmetric as viewed in the images. The asymmetric side is left in the first set of pictures above and then pointed right in the second set of images. It's tough to see, but the teeth geometry seems ok, but the synchro surface just seems wrong. This part number has images, 930-302-411-02, so you can see the asymmetric profile. The part number I bought, 930-302-411-03-OEM, doesn't have any images to reference. I checked a few other sites and their images show the asymmetric tooth geometry for this part number. IDK...
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'81 911 SC '03 BMW M3 (Sold) '64 VW Beetle, 2332, 48 IDA (Sold) Instagram: @j_smallwood |
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12-12-2023, 05:46 AM
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You have the correct parts, maybe the next one will be better.
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12-12-2023, 08:02 AM
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Quote:
Ivan
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1985 911 with original 502 191 miles...808 198 km "The difference between genius and stupidity is that, genius has its limits". Albert Einstein. |
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12-12-2023, 10:07 AM
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Quote:
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'81 911 SC '03 BMW M3 (Sold) '64 VW Beetle, 2332, 48 IDA (Sold) Instagram: @j_smallwood |
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12-12-2023, 10:13 AM
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Quote:
Ivan
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1985 911 with original 502 191 miles...808 198 km "The difference between genius and stupidity is that, genius has its limits". Albert Einstein. |
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12-12-2023, 10:30 AM
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PCA Member since 1988
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Whenever you get that little voice in the back of your head saying, "something isn't right," listen to it. Most of the time it's right. Kudos to you for listening.
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1973.5 911T with RoW 1980 SC CIS stroked to 3.2, 10:1 Mahle Sport p/c's, TBC exhaust ports, M1 cams, SSI's. RSR bushings & adj spring plates, Koni Sports, 21/26mm T-bars, stock swaybars, 16x7 Fuchs w Michelin Pilot Sport A/S 3+, 205/55-16 at all 4 corners. Cars are for driving. If you want art, get something you can hang on the wall! |
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12-13-2023, 12:15 AM
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That little voice is always active in my head. Sooooooooo many things don't seem right, these days.
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'81 911 SC '03 BMW M3 (Sold) '64 VW Beetle, 2332, 48 IDA (Sold) Instagram: @j_smallwood |
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12-14-2023, 10:58 AM
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PCA Member since 1988
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Yeah. You're not alone!
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1973.5 911T with RoW 1980 SC CIS stroked to 3.2, 10:1 Mahle Sport p/c's, TBC exhaust ports, M1 cams, SSI's. RSR bushings & adj spring plates, Koni Sports, 21/26mm T-bars, stock swaybars, 16x7 Fuchs w Michelin Pilot Sport A/S 3+, 205/55-16 at all 4 corners. Cars are for driving. If you want art, get something you can hang on the wall! |
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12-14-2023, 02:40 PM
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I received the new slider. It's the same as the first one. I plan to call Pelican to discuss, but I just can't imagine that this surface is correct. The surface that would mate with the 2nd gear synchro is completely flat. The surface that would mate with the 1st gear synchro is ground with curvature, but has a flat spot, as well. Any thoughts from the experts.
  
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'81 911 SC '03 BMW M3 (Sold) '64 VW Beetle, 2332, 48 IDA (Sold) Instagram: @j_smallwood |
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12-18-2023, 05:53 AM
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I believe you can run that sleeve with confidence, it’s in Porsche packaging. Things are just different, or made differently than in the past. You could try WTB a NOS sleeve, they’ve been in production for 40 yrs, someone’s got to have one stashed away somewhere.
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12-18-2023, 06:36 AM
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scumbag
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Have you tried reaching out to any of the 915 parts suppliers like CMS or Matt Monson? They may have some insight.
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My first Porsche - http://forums.pelicanparts.com/porsche-911-technical-forum/989493-my-low-budget-dream-car-build.html AchtungKraft #009 - IG: @doktor_b |
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12-18-2023, 10:18 AM
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Jacky
1979 Porsche ROW 911 SC
