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  #1  
Old 08-26-2010, 04:53 PM
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Default dry start all the time?!?!?!

thanks for taking the time to post up your comments first of all! it seems that no matter what the temp it of the truck that when ever i start it up it has a dry start all the time like the first start up after an oil change and not filling your filter first. im on my 3rd filter in 100 miles. bosch,moble1 and now a k/n oil filter none have made any difference.

the truck has a ticking noise like a sloppy lifter. the noise after start up is always there but seem to fade quite a bit when in the rpm "2k and higher".

ive read abunch about these 4.7s so far and sludge,lifters,timing chains ect ect all see to be mentioned about the ticking but honestly dont know what it is. obviously my biggest concern is the excessive dry starts. sludge problem? any suggestions is greatly appreciated on how to eliminate my dry starts and this dam ticking noise. i just bought this truck and really hope i didnt buy a piece of junk. thanks again guys.

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  #2  
Old 08-26-2010, 05:32 PM
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My first suspicion is that you're hearing the timing chains until the oil pressure reaches the tensioners and takes up the slack. The tensioners are hydraulic with a ratchet style pedestal that supports the chain until oil reaches it and takes up the rest of the slack.
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Old 08-26-2010, 06:11 PM
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I would have to agree with Randy on this . There is a aftermarket device called "Accusump" . It's more along the lines for a race engine . It is a accummulator for engine oil . It can be used on a street engine I'd guess . Theres several ways you could hook it up . You could wire it up electronically so it opens up when the key goes to the on position . Key on , instant oil pressure without starting the engine . I don't know the cost and if it's even worth it . Heres a link for ya . http://www.accusump.com/
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Old 08-26-2010, 11:33 PM
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thanks for the replies guys. how hard is the timing chain set to do? ive used those accusup set up before on our drag cars its not something id really want to do on this. id like for the engine to do its job how it was designed i guess lol

im not sure how accuate the factory oil pressure gauge is but if it sits over night on first start up the gauge takes about 3-5 secs for it to come up to the middle on the gauge and the noise quiets down a little but is always there untill in the rpm as stated in my first post. which leads me to think the oil pump is a problem but the timing chain as you guys stated is something i haven dealt with on these motor yet. id hate to have to tear this truck apart but it seems that there probably wont be any other option.

any recommendations on other things to take care of while im doing the timing chain? again guys thanks for all the help and comments and advice. jim.
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Old 08-27-2010, 12:17 AM
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geez i just looked up doing the timing chains on these and dam i hope i dont have to do that lol might as well do a oil pump i guess to being that i have to take the pan off.
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Old 08-27-2010, 12:26 AM
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Hopefully Rermerson will drop back by and comment on this but, I'd run some Marvel Mystery oil (old school stuff, not sure its good for new motors) thru it for about a month, then change the oil.

Followed by 2 1000 mile complete oil changes. See if that cleans out whatever is causing the problems.
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Old 08-27-2010, 01:04 AM
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guess its worth a shot.
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Old 08-27-2010, 01:06 AM
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Wait for Remerson to chime in on the marvel mystery oil on the 4.7 thing first. Want to make sure that it won't damage anything.
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Old 08-27-2010, 02:13 AM
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ok will do thanks.
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Old 08-27-2010, 05:12 AM
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does your tick stay when you sit at idle? or is it gone once you drive?
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