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Australian Falcons Discuss the australian born and bred models here. Includes the 80's 90's and present day Falcons offered by Ford Oz.

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post #1 of 2 (permalink) Old 06-13-07, 12:36 AM Thread Starter
worby's Avatar
Join Date: Sep 2006
Location: Brisbane
Posts: 3
engine knocking help please.

hi i have a 89 gls xf ute 4.1 litre webber carby.
just as its been getting colder my engine is making a distinct noise when i start up as the engine warms up the noise gets less. i believe its the tappets.
now my mate says its my engine oil is too thick and that why its making the noise he says that the hydrolic lifters are sticking, i'm currently using penrite HPR 50 which has a viscosity of 40 - 70, could anyone please help with this problem.

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post #2 of 2 (permalink) Old 08-20-07, 04:28 AM
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Join Date: Jun 2007
Location: hurstville
Posts: 53
Re: engine knocking help please.

for starter the oil u are using is way to thick you sould be using 20w-50 grade your oil pick up wont suck it up what u should do is drain the old oil put 1 liter of kero and top up the engine with cheap shit oil start the car let it run for 15 min drain it and put new oil 20-50 oil if the lifters are still noisy buy lifter free from any spare parts shop LETme know how you go
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