chrisandliz[RL] Posted May 2, 2006 Report Share Posted May 2, 2006 :P what would cause a head gaskit to fail after only 5000km??????? the torque was right , head was skimmed, the block was clean. what went wrong? :) do you think i need to get the head re skimmed? could my bolts of strieched, or does the car just hate me. Quote Link to comment Share on other sites More sharing options...
Trev Posted May 2, 2006 Report Share Posted May 2, 2006 If your head has been skimmed a few times or its had a big skim the bolts are probably too long and are just hitting the bottom of the thread and not pullin the head down, if it didnt get hot or anythin like that you should be able to get away with a skim/shave, where did it blow exactly?. Quote Link to comment Share on other sites More sharing options...
Medicine_Man Posted May 2, 2006 Report Share Posted May 2, 2006 Nicks old Datsun Sunny had that problem once, had a bit of an imperfection on the top of the block that once smoothed back with sandpaper has not given the problem again.. Quote Link to comment Share on other sites More sharing options...
Medicine_Man Posted May 2, 2006 Report Share Posted May 2, 2006 I'll bet it wasn't re-torqued :P The imperfection was the reason the first head gasked went Quote Link to comment Share on other sites More sharing options...
Medicine_Man Posted May 3, 2006 Report Share Posted May 3, 2006 I never retorqued mine 1000kms after I had my 4K apart and resealed it and its still going strong.. Quote Link to comment Share on other sites More sharing options...
Mmm Boost Posted May 3, 2006 Report Share Posted May 3, 2006 Detonation will kill head gaskets pretty quickly too...I see in the other thread you made you were having trouble getting the timing right, was this on the same motor? Quote Link to comment Share on other sites More sharing options...
Redwarf Posted May 3, 2006 Report Share Posted May 3, 2006 Then you were lucky. Ask the TRD Brothers, Teddy, Felix, Xany, Redwarf... Headgaskets are supposed to be retorqued at 1000km! I hate to break it to you, but I use Monotorque gaskets, and I've never in recent history retorqued a head. Sorry. :P Once upon a time though, it was a must. Quote Link to comment Share on other sites More sharing options...
Taz_Rx Posted May 5, 2006 Report Share Posted May 5, 2006 Detonation will kill head gaskets pretty quickly too...I see in the other thread you made you were having trouble getting the timing right, was this on the same motor? yep, that'll do it. I know it sorta a different kettle of fish, but with my turbo 4k, I run a locked dizzy set on about 20o advance at idle. what this effectively does is lower the compression on the top end when on boost. I have done this rather than de-comping the engine. at one stage i had a an unlocked dizzy in it with the turbo, and it constsantly blew head gaskets! :P Quote Link to comment Share on other sites More sharing options...
chrisandliz[RL] Posted May 9, 2006 Author Report Share Posted May 9, 2006 :) it was the bolts. got the side draft webbers on now and waiting for a new dizzy. got told that all the seals inside it and that were wrecked. hhhhhhhhhhh. cars and $$$$$$ lol :) will get hubby to post more later. thanks for the help guys. Quote Link to comment Share on other sites More sharing options...
chrisandliz[RL] Posted May 10, 2006 Author Report Share Posted May 10, 2006 (edited) Detonation will kill head gaskets pretty quickly too...I see in the other thread you made you were having trouble getting the timing right, was this on the same motor? yes it is on the same motor, changed distrbuter, changed carbie to webbers, still runs on and wont rev. :) it was a monotorque head gasket. Edited May 10, 2006 by chrisandliz Quote Link to comment Share on other sites More sharing options...
chrisandliz[RL] Posted May 10, 2006 Author Report Share Posted May 10, 2006 i buy shell fuel, 91% octane Quote Link to comment Share on other sites More sharing options...
irokin Posted May 10, 2006 Report Share Posted May 10, 2006 Try some premium (or 98) for a week and see if it stops running on I only use BP or Mobil... Caltex (aka Shell) fuel has always made my car run like a pile of crap BP doesnt fuel swap Ultimate Shell claims not to fuel swap Optimax and truck it from sydney (their nearest refinery AFAIK) Mobil wont comment on fuel swapping (I dare say they swap everything.. nearest refinery is melbourne I believe) Caltex has a refinery in Brisbane so they don't need to fuel swap here. Quote Link to comment Share on other sites More sharing options...
chrisandliz[RL] Posted May 10, 2006 Author Report Share Posted May 10, 2006 that might stop it from running on but doesnt explain why it still doesnt want to rev?????? :) Quote Link to comment Share on other sites More sharing options...
thomo Posted May 10, 2006 Report Share Posted May 10, 2006 wasnt someone on another thread having similar problems with the timing on a ke70? turns out he had a stuffed muffler, i guess if it was bad enough the trapped fuel would run on, the heat and back presure would ignite it and all those things combined would kill a head gasket in 5000km real easy, does the car sound like an asmatic at revs? Quote Link to comment Share on other sites More sharing options...
chrisandliz[RL] Posted May 11, 2006 Author Report Share Posted May 11, 2006 (edited) wasnt someone on another thread having similar problems with the timing on a ke70? turns out he had a stuffed muffler, i guess if it was bad enough the trapped fuel would run on, the heat and back presure would ignite it and all those things combined would kill a head gasket in 5000km real easy, does the car sound like an asmatic at revs? this is the only thing that we have not replaced. will look into it. :) will post the results when i have it and post some pics too. Edited May 11, 2006 by chrisandliz Quote Link to comment Share on other sites More sharing options...
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