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are ford lifters really this f__ked? 

 

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 Post subject: Re: are ford lifters really this f__ked?
Posted: Sun Mar 08, 2009 10:38 pm 
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paulhowes wrote:
You say you gave it a hard run. Have you actually pulled that pushrod and checked it for straightnes in case it has bent slightly. The only other time I have seen lifters fail from new was when they werent partially filled on install and ran dry until oil pressure pumped them all and it ended up popping circlips.


Can you please direct me as to where to get replacement pushrods? for my 4.0l that is..

You gotta remember for the most part these are not highly refined engines, they are low reving motors, stuff like penrite HPR is good oil for these motors, they will take pretty much anything other than another cars sump.

before going to nuts on the lifters, what sims are you running? wave they been fiddles with? have they ALL gone back in the same way, with the oil channels in the right dirrection, if its upsidedown the lifter may have failed from lack of oil.

 

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 Post subject: Re: are ford lifters really this f__ked?
Posted: Mon Mar 09, 2009 12:05 am 
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paulhowes:: its a six cylinder

hans:: new head, everything in the head is new.. reground cam, no shims (as lift height was kept to factory, only duration/timing changed)

dctodd: engine builder did the job, not a backyard thing -- its been running fine for 9 months, just this Out of the blue tappet.


Getting back to that wiki extract :: blocked oil feed or collapsed lifter causing tapping to not go away::
I was positive it sounded like a collapsed lifter (anyone looked at this yet __ https://sawltw.blu.livefilestore.com/y1 ... g?download __)

but i went and chucked in some Nulon Lifter free stuff, and you know what, 5 kms down the road, the friggin noise dissappears.
Was it a blocked lifter then? after a long cruise down the coast, the LOUD tapping has definately gone, but i can hear a faint lifter noise that wasnt present before. Will see what it does tomrrow. l8r
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 Post subject: Re: are ford lifters really this f__ked?
Posted: Mon Mar 09, 2009 8:17 am 
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mine only ever make noise if the oil is dirty.

 

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 Post subject: Re: are ford lifters really this f__ked?
Posted: Mon Mar 09, 2009 10:46 am 
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rdiigen wrote:
hans:: new head, everything in the head is new.. reground cam, no shims (as lift height was kept to factory, only duration/timing changed)


double check that theory, to regrind a cam the base circle diameter has to be reduced, and thats what the shimming is for, to correct for that. and why its only one lifter doing this? sometimes (depending on who did the regring you may need funny number of shims to get things right)

if this one needed some extra shimming the HLA may have been able to compensate for nine montsh untill it finally f**k up.

 

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 Post subject: Re: are ford lifters really this f__ked?
Posted: Mon Mar 09, 2009 3:20 pm 
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the Nulon lifter free stuff has worked a treat, started just now with no noise. Im hoping that it was just a blocked HLA.

Jose:: good point.. I've emailed Tighe Cams to see what their response is to the use of no shims.
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 Post subject: Re: are ford lifters really this f__ked?
Posted: Mon Mar 09, 2009 6:47 pm 
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rdiigen wrote:
paulhowes:: its a six cylinder


Well it just goes to show that a blind old bloke should read it properly. I failed to look properly and thought you were talking about the old 4.1 motor not the you beaut 4.0 LOL ,Miles apart. Sorry will put the glasses on and read properly next time. Cheers
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 Post subject: Re: are ford lifters really this f__ked?
Posted: Tue Mar 10, 2009 6:55 pm 
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JOSE wrote:
rdiigen wrote:
hans:: new head, everything in the head is new.. reground cam, no shims (as lift height was kept to factory, only duration/timing changed)


double check that theory, to regrind a cam the base circle diameter has to be reduced, and thats what the shimming is for, to correct for that. and why its only one lifter doing this? sometimes (depending on who did the regring you may need funny number of shims to get things right)

if this one needed some extra shimming the HLA may have been able to compensate for nine montsh untill it finally f**k up.

thats what i was thinking,usually set up on a bench and checked,also a vacuum check on the valves to ensure seating of the valves,with the shims.

 

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