skidxr6t skids Donating Members 2,754 Member For: 12y 25d Gender: Not Telling Posted 08/11/16 11:06 AM Share Posted 08/11/16 11:06 AM (edited) maybe the 7500km oil changes rekd the cams @-Stever- Edited 08/11/16 11:07 AM by skidxr6t 1 Link to comment Share on other sites More sharing options...
arronm Dropping a turd Gold Donating Members 9,520 Member For: 17y 2m 26d Gender: Male Location: Perth Posted 08/11/16 11:46 AM Share Posted 08/11/16 11:46 AM (edited) Yes the heavier load would increase the likelihood of rolling contact fatigue. Edited 08/11/16 11:47 AM by arronm Link to comment Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,323 Member For: 19y 3m 30d Gender: Male Location: Perth Posted 08/11/16 11:50 AM Share Posted 08/11/16 11:50 AM RCF, the silent killer. Link to comment Share on other sites More sharing options...
discostig Manual mode ________________________ All day, erryday Donating Members 13,798 Member For: 17y 1m 29d Gender: Male Location: Probably above atmospheric pressure Posted 08/11/16 11:55 AM Share Posted 08/11/16 11:55 AM Drop 5 pounds, save cam lives? 1 Link to comment Share on other sites More sharing options...
arronm Dropping a turd Gold Donating Members 9,520 Member For: 17y 2m 26d Gender: Male Location: Perth Posted 08/11/16 02:18 PM Share Posted 08/11/16 02:18 PM (edited) Valve spring seat pressure only needs to be strong enough to stop the valves getting blown off the seat st max boost. A valve spring to suit max 16 psii will be different to one running 30psi. Edited 08/11/16 02:19 PM by arronm 1 Link to comment Share on other sites More sharing options...
xr6tgrant Member 4 Member For: 17y 7m 27d Posted 20/09/21 09:40 AM Share Posted 20/09/21 09:40 AM Hi is there any difference between the FG falcon xr6t cams and the FPV f6 cams? Mine is a FG FPV F6 and there is a constant knock coming from the motor, it only has 120th kms on it. Link to comment Share on other sites More sharing options...
Puffwagon Trust me bro...tbh ;) 8===} Gold Donating Members 16,063 Member For: 9y 11m 24d Gender: Male Location: South Australia Posted 20/09/21 09:59 AM Share Posted 20/09/21 09:59 AM Sounds like sh*tty lifters with not enough preload. I've had similar noises and for reasons I reckon what I reckon. Link to comment Share on other sites More sharing options...
norrs Donating Members 448 Member For: 17y 6m Gender: Male Location: Darwin Posted 20/09/21 11:56 PM Share Posted 20/09/21 11:56 PM My F6 sounds like that too. It has for years. IDK what's normal. I assumed that was normal. Link to comment Share on other sites More sharing options...
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