i have a gsr with 01 type-r head and was wonderin if theres a difference in the gap on spark plugs cause i need to change mine.
thankx

 

yes they are gapped differently
itr gapped to .044
gsr gapped to .052
ITR Spark Plugs (NGK)
GSR Spark Plugs (NGK)

 

thank you for that, would it matter which gap on my setup?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by P’cola GSR &raquo;</TD></TR><TR><TD CLASS="quote">thank you for that, would it matter which gap on my setup?</TD></TR></TABLE>

Uh, yeah, heat ranges are different also.

 

then what you would recomend?

 

NGK (7-heat range) gapped to .044" or 1.1mm if your running close to ITR compression.
If stock GSR compression or lower since you're running an ITR head, NGK (6-heat range gapped to .052" or 1.3mm

 

thank you, i've been asking everyone this and you actually gave me an ansewer. its still on gsr compression.

 

If block is stock, head hasn't been milled, and ITR head with stock valves, your CR is close to 9.8:1

http://www.zealautowerks.com

 

i think thats what the numbers were last time i checked