itbmils Posted April 19, 2007 Share Posted April 19, 2007 OK pps seems the weapon has developed a rattle coming from pot number 4/5 My mechanic is telling me it's the big ends The engine is still quite new - only 20,000klms since full rebuild - so what should I do just replace the big ends (rechecking the crank) - or should a more complete build be considered ? Also - pointers on what bearings to use this time around - I used Race Pace last time I think ?? Link to comment https://www.sau.com.au/forums/topic/165254-bigend-rattle-in-r32-gtr/ Share on other sites More sharing options...
R31Nismoid Posted April 19, 2007 Share Posted April 19, 2007 20k and its shagged bearings already? Rebuild wasnt done right i would think if thats occured. Dont turn it over anymore, least damage the better Link to comment https://www.sau.com.au/forums/topic/165254-bigend-rattle-in-r32-gtr/#findComment-3061251 Share on other sites More sharing options...
itbmils Posted April 19, 2007 Author Share Posted April 19, 2007 20k and its shagged bearings already?Rebuild wasnt done right i would think if thats occured. Dont turn it over anymore, least damage the better already @ workshop combination of heat and bad fuel thermo fan popped a fuse while I was in bumper to bumper traffic - and I was not running PULP !!! Link to comment https://www.sau.com.au/forums/topic/165254-bigend-rattle-in-r32-gtr/#findComment-3061308 Share on other sites More sharing options...
shanef Posted April 19, 2007 Share Posted April 19, 2007 already @ workshopcombination of heat and bad fuel thermo fan popped a fuse while I was in bumper to bumper traffic - and I was not running PULP !!! well u kinda sealed ur coffin there matey. i cant believe anyone would run their rebuilt motor on normal budget fuel Link to comment https://www.sau.com.au/forums/topic/165254-bigend-rattle-in-r32-gtr/#findComment-3061327 Share on other sites More sharing options...
itbmils Posted April 19, 2007 Author Share Posted April 19, 2007 well u kinda sealed ur coffin there matey. i cant believe anyone would run their rebuilt motor on normal budget fuel wife filled car from budget provider - did not tell me until I asked !!! I had the engine done over 3 years ago no (don't drive it much) - has not missed a beat - until now Annyyywaaayyy any advice on what to do ? I'm very tempted to just replace the bigends and leave it at that - comments ? Link to comment https://www.sau.com.au/forums/topic/165254-bigend-rattle-in-r32-gtr/#findComment-3061334 Share on other sites More sharing options...
itbmils Posted April 19, 2007 Author Share Posted April 19, 2007 well u kinda sealed ur coffin there matey. i cant believe anyone would run their rebuilt motor on normal budget fuel and b4 u ask - yes I still want the bonnet Link to comment https://www.sau.com.au/forums/topic/165254-bigend-rattle-in-r32-gtr/#findComment-3061350 Share on other sites More sharing options...
R31Nismoid Posted April 19, 2007 Share Posted April 19, 2007 You'll have to get it apart and see what it looks like. Should be minimal damage, maybe a light machine here/there if anything Link to comment https://www.sau.com.au/forums/topic/165254-bigend-rattle-in-r32-gtr/#findComment-3061364 Share on other sites More sharing options...
James_03 Posted April 19, 2007 Share Posted April 19, 2007 Providing you don't run it anymore you should be able to clean the crank up easy enough. You can usually just put new shells in after checking the rods/big end caps too. I doubt regular fuel killed it, I would say the rebuild was shite to begin with. Link to comment https://www.sau.com.au/forums/topic/165254-bigend-rattle-in-r32-gtr/#findComment-3061425 Share on other sites More sharing options...
T04GTR Posted April 19, 2007 Share Posted April 19, 2007 WELL, non premium fuel and overheating doesnt root bearings. full stop. to comfirm this a v8 brute that we worked on had the thermo fan die on the grid. it went out to race with 120 degrees on the water guage. it overheated so bad it warped the heads and the block just over 1mm on the worst part. the head bolts were blue on the areas where the block was. so apart from completly ruining the motor we pulled it down and the bearings were fine!! either its the penrite or something else. my guess is its a asembly error or a case of oil surge. Link to comment https://www.sau.com.au/forums/topic/165254-bigend-rattle-in-r32-gtr/#findComment-3061427 Share on other sites More sharing options...
shanef Posted April 19, 2007 Share Posted April 19, 2007 wife filled car from budget provider - did not tell me until I asked !!!I had the engine done over 3 years ago no (don't drive it much) - has not missed a beat - until now Annyyywaaayyy any advice on what to do ? I'm very tempted to just replace the bigends and leave it at that - comments ? oh dear, what a horror story like dave said, there's gotta be some other type of reason of the failure, i'd be finding the root caus before u put it together again! and b4 u ask - yes I still want the bonnet haha ok, like i said in the emails drop by when uve got time mate, it'll be sitting there for awhile lol (just give me a days notice and i'll polish it up for you ) Link to comment https://www.sau.com.au/forums/topic/165254-bigend-rattle-in-r32-gtr/#findComment-3061438 Share on other sites More sharing options...
dontfeelcold Posted April 19, 2007 Share Posted April 19, 2007 another one bites the dust. Link to comment https://www.sau.com.au/forums/topic/165254-bigend-rattle-in-r32-gtr/#findComment-3061535 Share on other sites More sharing options...
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