 Engine failure on track day, need some help, T4 GB 2.0 head failure |
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| CheeRS |
 May 10 2019, 01:08 PM
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#1
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Member  Group: Members Posts: 93 Joined: 5-May 19 From: Paris France Member No.: 23,093 Region Association: France  |
Hi, here is my presentation post :
http://www.914world.com/bbs2/index.php?showtopic=337989 two weeks ago I was in Monthlery near Paris France, for a wagenfest with my 914. Get some troubles with the engine, a hammer noise and the engine stopped smoothly like out of gas. here is what I found : https://drive.google.com/open?id=1gzsWwNBOh...86Kbof2P4BCHHrm some pics |
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| Montreal914 |
Jun 1 2019, 10:30 AM
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#2
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Senior Member Group: Members Posts: 1,868 Joined: 8-August 10 From: Claremont, CA Member No.: 12,023 Region Association: Southern California 
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I've been using this one:
http://thesensorconnection.com/cht-sensors...foaAk90EALw_wcB The key is to have the thermocouple wire (which are two specific materials) run from the washer all the way to the gauge. So you will want to order a sensor with long enough wire to go from engine compartment and route it to the dash. Never extend it with copper wire as you will have a false reading. It is recommended to install the sensor on Cylinder #3 sparkplug as it is known to have the least amount of cooling due to the engine configuration. |
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Posts in this topic
CheeRS Engine failure on track day, need some help May 10 2019, 01:08 PM
CheeRS my own workshop, this is a Aircooled specialized s... May 10 2019, 01:20 PM CheeRS cylinder 3 admission valve stand in open position May 10 2019, 01:21 PM CheeRS Opening the engine and disassembling the djetronic... May 10 2019, 01:29 PM
914_teener
Opening the engine and disassembling the djetroni... May 10 2019, 01:33 PM CheeRS
Opening the engine and disassembling the djetron... May 10 2019, 02:07 PM 914_teener classic dropped valve seat.
Pull the heads and re... May 10 2019, 01:30 PM 914_teener Follow the ecu harness back from the ECU...you sho... May 10 2019, 02:30 PM CheeRS Thanks, to be sure I will track the wire and the n... May 10 2019, 02:55 PM GregAmy I'd be more worried about the dropped valve se... May 10 2019, 06:00 PM CheeRS
I'd be more worried about the dropped valve s... May 11 2019, 12:42 AM bandjoey For a guy with that shop, I don't think he wor... May 10 2019, 06:11 PM Chi-town Have the head checked for cracks before you waste ... May 10 2019, 07:02 PM Dave_Darling After you look at the heads, consider the LN serie... May 10 2019, 08:46 PM Superhawk996
After you look at the heads, consider the LN seri... May 11 2019, 08:22 PM CheeRS more May 11 2019, 12:43 AM Bleyseng If I were you I'd order a set of new castings ... May 11 2019, 08:43 AM CheeRS
If I were you I'd order a set of new castings... May 11 2019, 06:36 PM sithot
If I were you I'd order a set of new casting... May 12 2019, 02:24 PM rhodyguy Do you intend just to do the one head? May 11 2019, 08:56 AM CheeRS
Do you intend just to do the one head?
I will a... May 11 2019, 06:38 PM Bleyseng Buy a set of these with the coating to keep the he... May 11 2019, 09:57 AM CheeRS
Buy a set of these with the coating to keep the h... May 11 2019, 06:38 PM Bleyseng
Buy a set of these with the coating to keep the h... Jun 1 2019, 10:38 AM BeatNavy https://newsite.hamheads.com/home/
Contact Len Ho... May 11 2019, 06:47 PM Jetsetsurfshop :D
Good money spent. May 11 2019, 07:36 PM Dave_Darling Sorry, I meant LE series heads.
But they look to ... May 11 2019, 10:15 PM porschetub I would be rather worried about rebuilding those h... May 11 2019, 11:58 PM CheeRS I had a look on amc spain, 914 heads are not avail... May 12 2019, 02:21 AM Superhawk996
About head seals, on a french forum, I get the d... May 12 2019, 08:06 AM r_towle no head seal (gasket) needed.
You can lap the cyli... May 12 2019, 08:27 AM CheeRS
no head seal (gasket) needed.
You can lap the cyl... May 12 2019, 04:51 PM porschetub
no head seal (gasket) needed.
You can lap the cy... May 12 2019, 06:31 PM Mark Henry You can get new bare 914 2.0 cores from AA perform... May 12 2019, 12:13 PM Bleyseng
You can get new bare 914 2.0 cores from AA perfor... May 12 2019, 03:51 PM CheeRS tomorrow I dismount the second cylinder head and I... May 13 2019, 04:19 PM CheeRS the actual pistons are AA 93,95 May 14 2019, 05:34 AM CheeRS Bonsoir tout le monde, with your help, thinks are ... May 16 2019, 01:44 PM veltror Since you are in Europe, just across the water tal... May 16 2019, 04:38 PM CheeRS Hello, this week, heads will be shipped to the spe... May 18 2019, 02:37 PM CheeRS Was surprised to found this modification on my eng... May 18 2019, 02:39 PM CheeRS this screw is not original.
Why make this ?
Perhap... May 18 2019, 02:43 PM billh1963 I've seen a picture like that before... <_... May 18 2019, 03:14 PM CheeRS Hello,
Heads, pistons and cylinders are at the mac... May 28 2019, 09:53 AM CheeRS more May 28 2019, 09:54 AM CheeRS Is the block dead ? May 28 2019, 09:55 AM CheeRS last one May 28 2019, 09:56 AM CheeRS with nail we feel an angle so the block has moved May 28 2019, 09:57 AM Dave_Darling We would call those "cracks", not ... May 28 2019, 11:40 AM sixnotfour out side of case,,get a die kit,,,casting flaws ?? May 28 2019, 12:09 PM ChrisFoley I see casting lines, not cracks. May 28 2019, 06:37 PM Jetsetsurfshop
I see casting lines, not cracks.
Same. Casting... May 28 2019, 07:40 PM Dave_Darling Well, if Chris says they're not cracks, believ... May 28 2019, 08:53 PM sixnotfour I Pointed to a true solution ...not an opinion.. May 28 2019, 08:54 PM Bleyseng
I Pointed to a true solution ...not an opinion..
... May 28 2019, 09:09 PM McMark :agree:
Casting marks. Nothing more. May 29 2019, 01:12 PM CheeRS :DRUNK:
Thanks and CheeRS.
now two more question... May 31 2019, 02:30 PM Montreal914 I think someone on The Samba is rebuilding them. N... May 31 2019, 02:49 PM CheeRS You should consider a cylinder head temperature ga... Jun 1 2019, 12:20 AM Bleyseng http://www.dakotadigital.com/index.cfm/pag...prod/... Jun 1 2019, 07:54 AM CheeRS hello, heads came back from the shop, new seat, he... Jul 5 2019, 03:19 PM CheeRS in the moment I started to go up but without doing... Jul 5 2019, 03:21 PM CheeRS Lastly, I wanted to install 911 elephant feet but ... Jul 5 2019, 03:24 PM Bleyseng You must grind off some of the rocker arm (while n... Jul 5 2019, 05:40 PM Jake Raby Wow, a dropped intake seat.. I thought all those t... Jul 5 2019, 05:53 PM CheeRS Thanks,
and what about cylinders 1 & 2 and 3 ... Jul 5 2019, 11:39 PM Bleyseng You can take a cylinder and using valve lapping co... Jul 6 2019, 09:42 AM CheeRS by cleaning very carefully all the surfaces and ch... Jul 8 2019, 02:56 PM Bleyseng In inches thats .0314 which is pretty tight deck a... Jul 8 2019, 03:23 PM CheeRS I saw some pics showing testing the gap with a cla... Jul 8 2019, 03:36 PM Bleyseng Yes but we are worried about the piston hittinh th... Jul 8 2019, 04:55 PM CheeRS logic, thanks, will add shin to get 0.04 Jul 8 2019, 11:10 PM CheeRS Engine returned today in the car.
A lot of parts c... Sep 9 2019, 02:06 PM CheeRS you can see it on this photo Sep 9 2019, 02:07 PM rhodyguy That oil temp wire should be mounted on a stud beh... Sep 10 2019, 07:50 AM sportlicherFahrer The oil temp wire plugs in to the main harness nea... Sep 10 2019, 09:14 AM |
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