General engine questions/issues that aren't specific to the other categories
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By asianrob
#213460 my engine is D15b7 and i use Castrol GTX 5w-20
By Adrian91
#213539 ive got a b18c sir-g and i use castrol gtx 5w30
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By civicboy18
#213594 mine is jdm b18c Type R, using Royal Purple 10w40. :D
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By ImThaBean
#213708 D15b7 and Castrol GTX High Mileage 5w30
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By chrono404
#213723 Delsol:
99Spec JDM B20b w/ Around 32k on it. - 10w 30
Sedan:
D15b7 with unknown mileage - Whatevers lieing around, normally 10w40 or 10w50 as its a higher mileage engine.
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By ron_kimi
#213734 d15b jdm

castrol gtx oil
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By Benj
#213770 the ol' 4dr mini me swapped d15 with new rings and bearings - gtx 5-30 and k and n oil filter

the built b18 hatch has Comp cam break in oil 10w30 for now and after the first 1000kms, 5w30 royal purple with k and n oil filter ( nothing but the best for this one )