nathan5346
Well-Known Member
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ahh right, summat else ive learned... thort they'd stop using them years ago rofl 
bet the gaskets are a piece ov **** then?
bet the gaskets are a piece ov **** then?
Discovery head Gasket
- Thread starter bordonladdie
- Start date
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Soloby Rob
Banned
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- In a house, not far from somewhere
That's just so wrong. :doh:
mad mechanic
Active Member
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- 268
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- south yorkshire
yup 2 hours total and that was doing the p gasket at same time which was a baskit of a job to clean the bathroom sealer off..lol
mad mechanic
Active Member
- Posts
- 268
- Location
- south yorkshire
go on then explain your logic to me as to how you make the flat head closer to the piston and increase the compression ratio just by skimming the head
Soloby Rob
Banned
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- 7,714
- Location
- In a house, not far from somewhere
go on then explain your logic to me as to how you make the flat head closer to the piston and increase the compression ratio just by skimming the head
Megga apologies, lot's of brain fade:doh::doh::doh: Big soz. I'll get my coat now.:bolt::bolt:
mad mechanic
Active Member
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lol no worries mate..had me worried for a min there..thought i was going even more senile in me old age..
sekurugeorge
Member
- Posts
- 54
The thickness of the gaskets are important and you need a Magnetic Based Dial Indicator to measure the depth of the piston. This is all in the manual I believe, got a c.d off e-bay and it was in there. Also did my gasket last year and found there were 4 thickness sizes of the gaskets but identified as 1 hole-thinnest
2 hole
3 hole
0 holes-thickest.
Phoned around a few part suppliers and was told there were only the 3 sizes but i needed the thickest one and eventually got it with no holes identifying it.
Managed to do the job myself, bit tricky lifting the head out, but easily managable, it is angular torqued but this can be done with out the specialised tool, with tippex as suggested before. You can use the existing bolts up to 5 times according to the manual but I opted for new ones as you don't know who has put them on before you and they do get tightened up a bit!
was advised that checking the straightness of the head with a straight edge and feeler guages was not reliable as the heads often go round the pistons and this might not be noticed with that method.
2 hole
3 hole
0 holes-thickest.
Phoned around a few part suppliers and was told there were only the 3 sizes but i needed the thickest one and eventually got it with no holes identifying it.
Managed to do the job myself, bit tricky lifting the head out, but easily managable, it is angular torqued but this can be done with out the specialised tool, with tippex as suggested before. You can use the existing bolts up to 5 times according to the manual but I opted for new ones as you don't know who has put them on before you and they do get tightened up a bit!
was advised that checking the straightness of the head with a straight edge and feeler guages was not reliable as the heads often go round the pistons and this might not be noticed with that method.
eightinavee
Well-Known Member
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- 3,956
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- UK.
Hmm,where did you get your understanding of IC engines then ? How do you earn a living ?
If you came to my garage looking for a job with an attitude like that - and as little knowledge as you obviously have I would ask you to leave unless you like sweeping the floor.
