ring gap issues on stock bore B18C
07-07-2008, 05:20 PM
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ring gap issues on stock bore B18C
I am rebuilding my B18C and i am putting in the new rings on my P30 pistons.
i measure the ring gaps, on the top ring i got 0.016 on all 4 and on the second ring i got 0.018.
I honed the block a tad now i am getting 0.018 on the first rings and 0.020-0.021 on the second ring.
I am going to spray on the motor.
I want to know if i put together the motor with these ring gaps if i will have problems. A friend told me i will have serious blow by and the motor will smoke badly.
Is this true? will i hurt my motor and have to rebuild again soon?
Bearing clearances are all in spec, and piston to wall clearance is to spec.
What should i do ?
i measure the ring gaps, on the top ring i got 0.016 on all 4 and on the second ring i got 0.018.
I honed the block a tad now i am getting 0.018 on the first rings and 0.020-0.021 on the second ring.
I am going to spray on the motor.
I want to know if i put together the motor with these ring gaps if i will have problems. A friend told me i will have serious blow by and the motor will smoke badly.
Is this true? will i hurt my motor and have to rebuild again soon?
Bearing clearances are all in spec, and piston to wall clearance is to spec.
What should i do ?
07-07-2008, 05:30 PM
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Re: ring gap issues on stock bore B18C (eg6madness)
For spray you will be fine as the pistons and rings heat up and expand more. Hope you got the "spay" piston to wall right. Rings will be OK.
07-07-2008, 05:36 PM
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Re: ring gap issues on stock bore B18C (DonF)
what is the spray piston to wall.... mine is just in factory spec.
will the cast piston expand? and the rings expand enough?
will the cast piston expand? and the rings expand enough?
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