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(Possibly) Blew a head gasket looking for suggestions

M-Sport fan

M-Sport fan

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#101
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#101
arlisscm said:
Following SP63s requirements:
0-150 miles - Motul 10w-40 break in oil
150-300 miles - conventional 10w-40 (I got castrol, but any decent conventional is fine)
300-500 miles and 500-1000 - conventional again (and again)
1000+ and in perpetuity - Amsoil extended life 100% synthetic 10w-40
Click to expand...
Did SP63 purposely build it with clearances to handle a 10W-40 oil, or is that what they suggest anticipating the proposed cylinder pressures with your setup under increased boost and an aggressive tune (or some combo of the two)?
 


Capri to ST

Capri to ST

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#102
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CHAPEL HILL, NC, USA
#102
M-Sport fan said:
Did SP63 purposely build it with clearances to handle a 10W-40 oil, or is that what they suggest anticipating the proposed cylinder pressures with your setup under increased boost and an aggressive tune (or some combo of the two)?
Click to expand...
I was also wondering why you're using 10W-40 oil.
 


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