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Thread: Help needed - hydraulic followers

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    Help needed - hydraulic followers

    hi, I've just fitted a new set of followers to my cosworth but now they are quiet when cold and start to tap when hot the opposite from the old ones I took out? the engine has only been run a few times at a fast tickover will a drive help - dont want to make things worse.

    new mobile 1 15/50 oil in the engine

    any suggestions

    Cheers

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    World Champion Decade Plus User Scouse's Avatar

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    Re: Help needed - hydraulic followers

    Driving the car will certainly help as the followers need to be filled with oil for them to go quiet. (not that I have ever heard a quiet cam follower berfore, though! )



    Scouse.

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    Re: Help needed - hydraulic followers

    Ive read its best to sit them in a tub of oil over night before fitting them?
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    Re: Help needed - hydraulic followers

    Cooking oil?



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    Re: Help needed - hydraulic followers

    Thanks for the help guys, the problem seems to be the oil and the engine temp when ticking over, as its all quiet when driving and the temp gauge is sitting slightly lower. Ive changed the temp sensor so the fans are coming on earlier but neet to find a better oil everyone I've spoken to says the mobile 1 is like water even the 15/50

    Cheers

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    Re: Help needed - hydraulic followers

    No its not the oil you can use mobil 15/50 or millers 10/60 all my cossys run either and all queit engines it might be down to the cheep ina followers you have , if you use genuine ones you wont get any probs hope that helps with your problem

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    Re: Help needed - hydraulic followers

    Hi Joe, the followers i bought from Matt Lewis Motorsport for 80 and they were advertised as genuine, the're not the cheap 40 quid ones that i've seen advertised

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    Re: Help needed - hydraulic followers

    The genuine ones are 225 quid from burtons or ford so they cant be original for eighty quid dont make sense

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    Re: Help needed - hydraulic followers

    :Give us a ring sometime in the day and il give you a few ideas how to get rid of the noise

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    Re: Help needed - hydraulic followers

    The Original Ford Items are INA followers - the exact same part number Matt Lewis supplies so it wont be a follower issue.

    More likely to be an oil pressure issue - check the pressure when hot.
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    Re: Help needed - hydraulic followers

    Clint may be onto something.

    I had a very similar problem with my Nissan VG30. I tried thicker oil, replacing the lifters but the noise would just come back when the motor got hot. I eventually tracked it down to worn lifter guides, the oil when hot would feed up between the lifter and the guide bore so the lifter would'nt get enough oil to keep it pumped up. Replaced the lifter guide plate on the VG30 and never had problems again.

    Something you could look at.

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    Re: Help needed - hydraulic followers

    My brothers just had the same issues except his wouldnt shut up, he tried another set from matt lewis and still the same, took the head off and turned out the pistons were just kissing the head as the only thing he didnt check in the build was the piston protrusion and they were 20thou over the recommendation! He was a bit annoyed as they were the forged cosworth pistons and the crank, rods and block are std so they should just fit and work!

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