4.0l head swap with TFI ignition - spark plug question

4.0l head swap with TFI ignition - spark plug question

Beaulac

Jeeper
Posts
28
Thanks
0
Location
Regina
Vehicle(s)
'83 Jeep cj, 258, auto
I have a 1983 jeep cj and just completed the 4.0l head swap. I have the TFI ignition upgrade and am wondering what spark plugs/gaps should be used??
 
Champion RC9YC at .040 or .045 with the E coil if memory serves me.
 

Jeep-CJ Donation Drive

Help support Jeep-CJ.com by making a donation.

Help support Jeep-CJ.com by making a donation.
Goal
$200.00
Earned
$0.00
This donation drive ends in
Back
Top Bottom