question offset??

salut. Je regarde pour mettre du 18 po sur ma s14. Je veux du 18x8 avant et 18x9 arrière. je sais pas trop quel offset sa prend mais je voudrais que ce soit pareil comme la s14 rouge au scp (lui il est sur le 19 je pense). Alors si y en a qui connaissent sa un peu...

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or use the almighty Offset Calculator and get ready to calculate wheel clearance.

17x7 -42 fits but looks ugly and is tight up front rear has more than enough clearance.
17x7.5 -40 fits. same if not worst as above.

keep in mind clearance was seen with 225-45r17 tires
feel free to correct me, as that is only my personnal experience.