skidxr6t skids Donating Members 2,754 Member For: 11y 11m 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 1m 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 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 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 1m 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 6m 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 Puff Gold Donating Members 15,982 Member For: 9y 10m 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 5m 1d 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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