Freon' is a brand name for 'refrigerant', the type of refrigerant used on early 1990 Honda Civics was R-12. Now a license is required for someone to properly charge the system so many owners have switched to R-134a.
r12
R134a
approx. 1.5-2.0 lbs. of R134a type refridgerant
Would have been built for R12, can be converted to R134a.
R134a
According to the Auto Car website, the most popular Honda Civic is the Honda Civic Type R Mugen. The Mugen is a sporty type of Honda Civic with tail wings above the trunk of the vehicle.
The OEM refrigrant that is came with is R12. R12 is very expensive and no longer made so have it converted to R134a.
The 2014 Honda Civic has single overhead cam (SOHC).
The 2010 Honda Civic has single overhead cam (SOHC).
The 2005 Honda Civic has single overhead cam (SOHC).
The 2008 Honda Civic has single overhead cam (SOHC).
si on a Honda civic is the body type it means sport injection