Isuzu Run 2, Side Covers off, Showing damage to lifters.

Isuzu Run 2, Side Covers off, Showing damage to lifters.

Hi all another run of the isuzu 6 cyl diesel, showing the damage to the lifters amazing how number 6 still runs alright with its exhaust half going out the i…

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HDXFH says:

The Big Cummins Camshaft I have has a Severely worn lobe, probably from a
stuck lifter!

HDXFH says:

A bit too heavy lol

alex993cc1 says:

being roller lifters, they have a roller bearing at the bottom, so they
must be oriented correctly or the cam lobe will smash on the side of the
lifter, instead of on the roller 🙂 i hope that makes sense!

RODALCO2007 says:

Great video, that engine still starts fast even under those conditions.
Thanks for showing.

michaelovitch says:

Very nice. Very interesting to watch What’s the cause of the cam failure ?
lube problem ?

michaelovitch says:

It’s what you explained at the beginnnig. i saw it but didn’t understood
correctly till i saw the explanation video where you show the lifters on
the plate. i didn’t get the whole system till that. i thought lifters were
like tappets flat and round with the ability to rotate without problem.

TheElectricnoob says:

Thats good! 🙂 An engine that still runs deserves to be rebuilt.

alex993cc1 says:

someone put roller lifters in there without the guides, so they spun around
in their bores and the camshaft got smashed up 🙂

Aussie50 says:

poor old thing 🙁 thats pretty bad damage. makes a nice show running like
that tho 😀

Jan46 says:

poor old thing, it wants to live! looks it got still plenty of compression
left exept on the two last cylinders

HDXFH says:

Gotta love Diesels!

michaelovitch says:

Sure. Thank you. Quite strange system on a diesel truck however.

MrTakeaswig says:

i like his laugh 😀

alex993cc1 says:

isuzu have been using them since the mid eighties, attempts at minimising
drivetrain losses i guess

alex993cc1 says:

not worth it when i have a spare cam

TheElectricnoob says:

You should hang that thing on the wall as decoration 😉

michaelovitch says:

To do that they should have used solid tappets or hydraulic lifters on a
sohc system. my diesel car has a inline 6 sohc with solid tappets. it’s a
1976 desgin. they did hydraulic lifters then for easier maintenance. But i
will not learn them what is best for them they must have a good reason :
maybe the injector top position set up was their problem. with big bores
it’s quite difficult to have a good flame propagation if it’s not centered.

TheElectricnoob says:

I wonder if the worn cam lobe can be fixed by adding some weld to it and
then regrind it to the proper profile.

alex993cc1 says:

thanks mate. appreciated!

Veikra says:

poor thing. this is why you must change the oil sometimes :p

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