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> Engine failure on track day, need some help, T4 GB 2.0 head failure
CheeRS
post May 10 2019, 01:08 PM
Post #1


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From: Paris France
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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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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
Montreal914   I've been using this one: http://thesensorcon...   Jun 1 2019, 10:30 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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