New rings won't seat with Synthetic Oil. You need to run Dino juice
for some time first, even if it's just one cylinder.
Tony Drews
At 04:17 PM 9/16/2014, terryrs@comcast.net wrote:
>Okay. I rebuilt my TR3A stock engine, used 30 weight non-detergent
>for a break in period, then switched to Mobil 1 fully synthetic. All good.
>Then...engine was overheating. Investigation led to a cylinder
>sleeve that the machine shop cracked when honing (I say honing
>because they didn't remove the lip at the top).
>Removed and replaced the cylinder sleeves and the now scored pistons.
>Question: I've been running the same full synthetic oil. But what
>does that mean for seating the new rings?
>
>Terry Smith, '59 TR3A
>New Hampshire
>
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