well currently i install a b20b motor in my car and im now putting a built ls head which is from a b18b . my question is what head gasket i need to use from a b20b or from a b18b. some1 please i dont wanna mess up the more by putting the wrong gasket


thanx in advance

 

i thought they used the same head gasket...could be wrong though

 

i dont know if they do thats why im askin on hear

 

What year on each?

 

both 97

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by semij20 &raquo;</TD></TR><TR><TD CLASS="quote">both 97</TD></TR></TABLE>

might be interchangeable, some say the water jackets won't line up correctly...here are the part #'s.

ls 12251-P75-004

b20 12251-P8R-004


Modified by DFW at 11:41 PM 2/27/2007

 

thanx

 

use the b20 head gasket. why would you use a 81mm LS head gasket on a 84mm b20 block. use the b20

 

thanx