GaryM
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| posted on 7/6/21 at 04:33 PM |
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Xflow running in
1600GT xflow, recent rebuild where:
Cylinders bored to first oversize.
New pistons & rings.
Reground crankshaft and new bearings fitted.
New valve guides and valves.
Currently full of Valvoline VR1 20w/50 oil.
How many miles should I run the engine in for?
Ta
Gary
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rusty nuts
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| posted on 7/6/21 at 08:58 PM |
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I never exactly run mine in except I used some cheap oil for around 500 miles before changing to Valvoline just before a rolling road session 
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steve m
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| posted on 8/6/21 at 07:20 AM |
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My crossflows were built with power in mind, but i used cheap mineral oil from asda for the first run and idleing, and first 50 or so miles, to make
certain of any tiny bits of engine were trapped in the filter, also any water vapour that crossflows like to collect
Then for the next 300-500 miles depending on how the engine felt, i would use premium oil, and always change the filter
As for engine speeds, no harsh accelerating, and kept under 3-4k for the first 300 miles ish
Thats was probably spelt wrong, or had some grammer, that the "grammer police have to have a moan at
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