Difference between a 91 Civic DX and SI engine??

[Dale Young]

Is it just the intake or is there something different about the bore and stroke??
Thanks

 

[Jafir Elkurd]

DX is a 1.5L and the Si is a 1.6L

 

[Dale Young]

I know but what makes the difference?? Is it a difference in the size of bore, stroke or is it just the intake??

Thanks

 

[Jafir Elkurd]

An intake will not change the amount of displacement.

 

[Grumpy au Contraire]

Would a 1.5 engine in a 1989 CRX be a DX engine?