Screamin Demon progress on stock 4.0
#1
Screamin Demon progress on stock 4.0
I've been wanting a Screamin Demon for my truck since Maurice's thread, I want to see how it will affect a stock 4.0. I finally hit up underdog-performance for one along with some 8mm wires, and I picked up a set of Autolite double platinums. I will be installing everything this weekend and will update this thread as things progress.
EDIT (7/31/07):
I finally got to drive my truck with the new set up last night and this morning, and it's nice! I totally agree with Maurice's results, better idle, pickup and acceleration. I'll have an idea of highway gas usage this weekend on my Buffalo trip.
My last fill up before coil change was 16.5mpg mixed city and highway, I usually get ~18mpg at ~100% highway.
(8/10/07) Filled up last night - 17.5mpg mixed driving
EDIT (7/31/07):
I finally got to drive my truck with the new set up last night and this morning, and it's nice! I totally agree with Maurice's results, better idle, pickup and acceleration. I'll have an idea of highway gas usage this weekend on my Buffalo trip.
My last fill up before coil change was 16.5mpg mixed city and highway, I usually get ~18mpg at ~100% highway.
(8/10/07) Filled up last night - 17.5mpg mixed driving
Last edited by sambob117; 08-10-2007 at 06:34 AM. Reason: Update
#9
Originally Posted by i_luv_strats
If i decide to get a screaming demon coil pack for my ranger, do i need anything else to go along with it? or just drop in the pack and away i go?
I would swap plugs and wires at the same time. It is recommended to change the GAP on your plugs, so you might as well change them, IMO.
#16
#19
You stock gap is probably .65 anyway. My 04 stock gap is .065 so a coil pack would have done nill difference.
Originally Posted by mudranger96
I installed my coil pack, 8mm wires, and new plugs i regapped to .060 a few months ago. And i can say i didnt notice a lick of difference in anything.
#23
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