| Silvia has the SR20DET 2.0 turbo in-line 4 cylinder engine. Skylines have the RB26DETT(and other RB series engines) 2.6L twin turbo (GT-R) in-line 6 cylinder. Plus the the chassis are S-12, S-13, S-14, and S-15 for the Silvia the skylines are the R bodies ie R33, R34. Totally different vehicles.
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