Hello

I am about to hone my 3sgte
How much can i hone it ?
There is small scratches in two cylinders that i need to take

Can I honing it until it goes or ?
When do I know That I have to get it drilled to oversize ?

Regards

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Toyota Celica Gt4 1990
Toyota Celica Gt4 1990 Rallycross
Toyota Starlet 1980

Honing is not done by the home mechanic... take it to a machine shop

Take it this is a "quick repair" to a damaged engine?

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Kris
95 ST205 - slept for 10 years, now waking up...
Avensis
http://www.gtfours.co.uk
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Turbocharging - the replacement for displacement

Measure the bores with a bore gauge (further down cylinder where the wear is ). From my fairly limited experience anything .05 to .1 mm oversize is much more prone to ringland failure.
if you're looking for a quick cheap fix you may be better leaving the scores as you get very little blow-by down a narrow scratch.

if you're running big power you need to.do it properly.

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If at first you don't suck seed, try drier grain.

As above take it to a machine shop its not something to take on lightly as it controls oil usage, etc as well as other things mentioned.

I have built hundreds of engines and I still prefer to pay my machinist to hone my engines for the cost its not worth the mess of the cooling fluid and the cost of the correct honing stone, etc

Martin

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