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Know of 2 heads needing work, 1 is 137.5 the other is 138,5mm. Tjis is offcourse abit too much skimmed, but i realy wondering if its worth it or not... The 1 138.5 i dont fear that much on a low spec engine, but still not ideal. The other i guess new valvesears futher in would be the way forward if should trust it again?
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138.5 should be no problem with a thicker gasket, sure they are 139.0 new going by factory specs, but i read somewhere that new heads are more or less 138.9 -
The valveseats is the problem, not the comp ratio. When skimmed much, its a big risk them dropping out...Comment
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Machine valve seats in to the head.
MarkComment
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Okay thanx, that is what i was thinking was the option. So then offcourse its going to cost abit morr too get it goodComment
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Probable best to put some pictures up I have a few that have been skimmed to that level and the top of the valve seats have had bits shaved off
I would of thought you be looking at minimum of £600 to get that sort of work carried out. Then when you go to that level you may want to get corrosion welded, new valve guides etc soon totals upComment
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Didnt take any pics, and yes, it will cost some money to "save" them, so i became unsure if i bother, since already have a few heads needing work...Originally posted by Joe-Tait View PostComment
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