b2200 engine question

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b2200 engine question
dragginmazda86 avatar
dragginmazda86
+1y
i have a 2.2 with a pacesetter header and 32/36 weber carb. i have between 135-140 psi compression in the cylinders, i have spark, i changed cap,rotor,wires.this problem just started when i start up in the morning the number one header tube doesn;t get hot like the others do after running 15 minutes you spary water on the first tube and it just sits thier it does have a silght miss also. on the hiway it still has plenty of power to pass cars but it seem that the miss goes away till you come to a stop. any thoughts?
dssur avatar
dssur
+1y
#1 is the EGR cylinder, it may run slightly cooler.
dragginmazda86 avatar
dragginmazda86
+1y
after about 15 minutes i can pretty much youch the first tube bare handed unlike the other there that are burning hot.
dragginmazda86 avatar
dragginmazda86
+1y
opps ment other three, my bad.
dssur avatar
dssur
+1y
pull the number one plug off while its idling and see if the idle changes.
dragginmazda86 avatar
dragginmazda86
+1y
at idle i pull the number spark wire and it doesent change the way it idles.
get twisted avatar
get twisted
+1y
then you have spark problems with the number one cylinder check to see if it the wire or some thing in the cap
dragginmazda86 avatar
dragginmazda86
+1y
would a stuck or burnt valve do something like this?
dssur avatar
dssur
+1y
yes, but a stuck or burnt valve would show up on the compression test.