Shed Seven

[TommyP]

Id be interested to hear what the warping was on the 300k+ head when you skim it Kev?

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I wouldn’t have thought it would be any more than any other mileage head that come off for the first time when I think about it. Considering it hasn’t overheated.

300k+ and first issues for the head to be pulled. Fantastic engines.


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[Activ8]

Yep. The mileage is irrelevant but its where Kevs is at before its untimely failure and lifetime. A guide if nothing else as I've been thinking of lowering the compression and modifying the head.

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[Fruitbat]

I've got a box of good used valves Kev if you just need an odd one.

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I’ll just buy one new valve Rob saves you the hassle of going to the post office , thanks for the offer

[Fruitbat]

INA Tappet set - https://www.ebay.co.uk/itm/164209684739

I have these in both of mine. More of preventative maintainence as I hate noises tappets.

I have a spare 2.5 used set if you want to keep costs down. Came from a low mileage engine with little wear to the rest of it. May be able to test them yourself.

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Thanks , I’ve bought the ones in your link

[Fruitbat]

Id be interested to hear what the warping was on the 300k+ head when you skim it Kev?

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I’ll let you know , I doubt their is any run out on the head but I’m going to give it a light skim just to clean up the surface .

[Fruitbat]

I wouldn’t have thought it would be any more than any other mileage head that come off for the first time when I think about it. Considering it hasn’t overheated.

300k+ and first issues for the head to be pulled. Fantastic engines.


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The reason the head has had to come off is because of a seized water pump , amazing really .

[Fruitbat]

Whats going on here Rob ?




Head run out was 0.05mm , which probably would’ve been fine to refit , but there was minor indentations around the sealing rings from the head gasket , so I decided to give it a very light skim 0.0762mm was removed to clean up the head .



Finish looks grainy but it’s just the camera picking up the light .





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[Activ8]

Sorry Kev cannot see / pick up the pics on my phone. Thanks for the info 0.05 doesn't read like a great deal.

IIRC , I think the ELRING head gaskets are
#1 - 1.53mm
#2 - 1.57mm
#3 - 1.61mm

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[Fruitbat]

Sorry Kev cannot see / pick up the pics on my phone. Thanks for the info 0.05 doesn't read like a great deal.

IIRC , I think the ELRING head gaskets are
#1 - 1.53mm
#2 - 1.57mm
#3 - 1.61mm

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According to brickworks

#1- 0.8-0.9mm piston protrusion
#2- 0.9-1mm
#3- 1-1.1mm

[Activ8]

According to brickworks

#1- 0.8-0.9mm piston protrusion
#2- 0.9-1mm
#3- 1-1.1mm

Sounds about right Kev.
Just looked on eBay.

[TommyP]

I’ll let you know , I doubt their is any run out on the head but I’m going to give it a light skim just to clean up the surface .

0.05mm, I didn’t think there would be much.


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[Fruitbat]

I think I’ll go for a 3 hole gasket to be on the safe side

[TommyP]

I think I’ll go for a 3 hole gasket to be on the safe side

Great idea


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[rjhoy02]

I fitted a 3 hole gasket too

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[S49]

Surely you need a 5 hole gasket.........................one for each cylinder.