 3.2 with 914 transmission: sensor locations, Where do I cut the housing? |
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| Mitox |
 May 18 2022, 07:22 PM
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#1
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Member  Group: Members Posts: 416 Joined: 26-October 15 From: SW Virginia Member No.: 19,302 Region Association: South East States 
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I’ve disassembled my 914 trans, so I can clean and paint the case prior to a rebuild. It will be hooked up to a 3.2 retaining the fuel injection and Motronics. Before it is painted I’d like to cut the notches needed in the case for the Motronic sensors, but I don’t have a clue where to cut.
Can anyone point me in the right direction, or better yet, have measurements or a template for the cuts. Thanks for any help you may have |
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| mepstein |
May 18 2022, 08:07 PM
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#2
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914-6 GT in waiting Group: Members Posts: 19,874 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region
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| SirAndy |
May 18 2022, 08:28 PM
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#3
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Resident German Group: Admin Posts: 42,205 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
Not the best pictures but i don't remember this being especially difficult.
Test fit the trans, mark the sensor location, cut. (IMG:style_emoticons/default/sawzall-smiley.gif) (IMG:http://www.914world.com/bbs2/uploads/post-179-1181192469.jpg) (IMG:http://www.914world.com/bbs2/uploads/post-179-1185423324.jpg) (IMG:http://www.914world.com/bbs2/uploads/post-179-1181191642.jpg) |
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| Steve |
May 18 2022, 09:05 PM
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#4
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914 Guru Group: Members Posts: 5,857 Joined: 14-June 03 From: Laguna Niguel, CA Member No.: 822 Region Association: Southern California
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All I did was slide the 914 gear box onto the 3.2 motor as far as I could and then mark with a felt pen where the trans hit the two sensors and cut out a notch with a dremel tool.
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| mepstein |
May 18 2022, 09:56 PM
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#5
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914-6 GT in waiting Group: Members Posts: 19,874 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region
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QUOTE(Steve @ May 18 2022, 11:05 PM)  All I did was slide the 914 gear box onto the 3.2 motor as far as I could and then mark with a felt pen where the trans hit the two sensors and cut out a notch with a dremel tool. I remember this is what we did when we notched my trans. (IMG:style_emoticons/default/beerchug.gif) |
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| Mitox |
May 20 2022, 03:28 PM
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#6
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Member Group: Members Posts: 416 Joined: 26-October 15 From: SW Virginia Member No.: 19,302 Region Association: South East States
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Thanks for the direction everyone. I’ll mount the case to the engine next weekend; first
I’ll need to dig out the sensors and mount them. Hopefully they’re in one of the boxes I’ve not opened for a few years now. |
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| worn |
May 20 2022, 05:21 PM
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#7
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Winner of the Utah Twisted Joint Award Group: Members Posts: 3,470 Joined: 3-June 11 From: Madison, WI Member No.: 13,152 Region Association: Upper MidWest
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QUOTE(Mitox @ May 20 2022, 01:28 PM) Thanks for the direction everyone. I’ll mount the case to the engine next weekend; first I’ll need to dig out the sensors and mount them. Hopefully they’re in one of the boxes I’ve not opened for a few years now. It isn’t that hard. Angle grinder, sawzall, file. Your choice. I lined things up on the studs and semi-measured and eyeballed. Of course I didn’t want to look like an amateur, so I drew lines with a Sharpie. Fit just fine without letting too much of the elements in. Good luck with the search for your parts stashed away! |
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| Tdskip |
May 20 2022, 06:44 PM
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#8
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Advanced Member Group: Members Posts: 3,736 Joined: 1-December 17 From: soCal Member No.: 21,666 Region Association: None
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Same here - passenger side near top.
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| Maltese Falcon |
May 20 2022, 07:37 PM
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#9
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914 Guru Group: Members Posts: 5,049 Joined: 14-September 04 From: Mulholland SoCal Member No.: 2,755 Region Association: None  |
In the days of 3.2 Vanagon conversions, I used to send out a "Hard-Wire" template of the DME sensors cut out; this had a semi-circle bend to it which mates to the upper bell-housing bolt hole (locator). >>passenger side for the mid-engine (drivers side) for the Vanagon.
The opposite end of the Wire had the contour (DME sensor area) from a g50 or 915 gearbox, which just places down + sharpie the pattern. I just went to a friendly Independent Porsche shop and they let me make the pattern from a trans that was on a pallet. (IMG:style_emoticons/default/marty914.jpg) |
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| Mitox |
May 20 2022, 08:20 PM
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#10
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Member Group: Members Posts: 416 Joined: 26-October 15 From: SW Virginia Member No.: 19,302 Region Association: South East States
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QUOTE(Maltese Falcon @ May 20 2022, 09:37 PM) In the days of 3.2 Vanagon conversions, I used to send out a "Hard-Wire" template of the DME sensors cut out; this had a semi-circle bend to it which mates to the upper bell-housing bolt hole (locator). >>passenger side for the mid-engine (drivers side) for the Vanagon. The opposite end of the Wire had the contour (DME sensor area) from a g50 or 915 gearbox, which just places down + sharpie the pattern. I just went to a friendly Independent Porsche shop and they let me make the pattern from a trans that was on a pallet. (IMG:style_emoticons/default/marty914.jpg) I like your wire template idea. Just wish there were a Porsche shop or two nearby; maybe one in Roanoke. Sometimes living in the mountains is inconvenient, but only sometimes. |
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