Arc head

flattop1

Dawg 89
It would think not , though my experience is with the Horstman Fire Slot head .
Where the plug is moved and also at an angle.
It is the finned head ? The un finned head probably would .
 
It is finned, But all I changed was the head and temps went up a lot. Maybe need to send micron back to get it checked. It did not feel or run like it was 528 degrees.
 

flattop1

Dawg 89
Temp gun is handy for a reference check .
 
The CC of the chamber is considerably smaller (= more compression) so it SHOULD run hotter.
Rejet and time the thing for the increased compression and problem solved.
Hours spent on the dyno tuning helps too. ;)


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