H/C/I and all bolt on's and still ran 14.24@94mph
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Carney Woods
New Member
IMO you should focus on getting your launches more consistent maybe a good set of drag radials or slicks would help. If you spend more time working on your driving skill ( which will help either way) is gonna make it easier to diagnose potential problems. Cause right now it looks like it could go either way (driving or mechanical problem) or a bit of both.
I have had almost the same combo as you have now and it has ran 12.29@111 . Your fuel pressure seems a little low try around 42 Full Throttle and set your timing @ 36 degrees total (around 18 degrees) and try that it might just wake it up
imo i think it is the fuel pump is losing pressure after it gets warm, my buddys car had the same problems and he is a master ford tech and chased the problem for 2 weeks on his stang and then put a fuel pressure gauge on it and his problem was the car when cold would run 37psi but when got warm run 28 psi, out a new 255 pump in the ar and it ran like new, i think you need a new 255 fuel pump and is all the ignition part stock or aftermarket and how many miles are on them
bluevenom867
I will have images of molesting stuffed animals in
fuel injectors work only at 85% dute cycle.so if you run more than 16.15psi on each injector,they just get jammed open.try runing on slicks and if your runing a manual tras. take of the shift boot to shift faster.
I had the 24s on there when I dynoed it and they worked best at 36psi. I swapped to my stock 19s to see if maybe the 24s were given out. I picked up the pressure to 46psi on my 19s and it runs just like the 24s did. Back about a year ago I swapped in the 24s and they made no difference on my track times.
It seems the fuel pump is the problem according to alot of people. I'll just buy a new one and stick it in there this weekend and see what happens.
my ignition consist of all new plugs, wires, cap, rotor and crane hi-6 with the matching coil.
It seems the fuel pump is the problem according to alot of people. I'll just buy a new one and stick it in there this weekend and see what happens.
my ignition consist of all new plugs, wires, cap, rotor and crane hi-6 with the matching coil.
Mike86Stang
Advanced Member
Well I know how you feel I'm still working out all the bug with my car somedays it's seems like ti won't get out of it's own way & then other days it feels beastly. Never figured out what it is but I'm subscribing 
NKau
Founding Member
Alright, I ordered a new pump and I'm going to install it when I get a chance. After thinking back on all the times I went to the track, my first pass is normally the faster one out the bunch and then it slows down after that. I guess the pump could very well be it. Another thing is that the one time I went to the track and trapped 108mph, I had a full tank of gas.
I just looked at my time slips from the first time at the track with the new combo and here is the trap speeds. These were from about a year ago and about 500 miles on the new motor and combo.
1st - 104mph
2nd- 102mph
3rd- 101mph
4th- 98mph
I just looked at my time slips from the first time at the track with the new combo and here is the trap speeds. These were from about a year ago and about 500 miles on the new motor and combo.
1st - 104mph
2nd- 102mph
3rd- 101mph
4th- 98mph
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