HomemadeTurbo - DIY Turbo Forum - overboring.. oem size still good?

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92 4doorsleeper

11-01-2005 07:05 PM

overboring.. oem size still good?

I have a set of 9:1cr JE pistons with total seal rings for a B18C1 oem size I just bought reacently from a guy... Now I believe I damaged a piston ring & it may have caused damage to the cylinder wall... Now if I have to overbore a little to fix the cylinder, I can still use the JE pistons right?

ghettoturbo

11-01-2005 07:15 PM

Re: overboring.. oem size still good?

no...try just honing it a little to fix the damage instead of boring...got a picc?

92 4doorsleeper

11-01-2005 07:57 PM

Re: overboring.. oem size still good?

Quote:

Originally Posted by ghettoturbo

no...try just honing it a little to fix the damage instead of boring...got a picc?

So honing will fix light scares? If theres any?

ghettoturbo

11-01-2005 08:39 PM

Re: overboring.. oem size still good?

take the motor apart and see how bad the damage is...honing will take out a decent knick but overboring is the right way. But then yes, you need pistons that are meant for an overbore(thats why they make them).

HMT-Admin

11-02-2005 08:49 PM

Re: overboring.. oem size still good?

How bad is the scare/nick? Most ball hones should clean it up. Is the engine all back together? One thing sucks about piston rings, if you ---- up just 1 ring, you normally have to buy a entire set.

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