Tuning / timing ?s

[t56speed]

Okay guys I bought my cobra a while back an it
Has 3 tunes to choose from
S T 11.8 Afr
20 T 11.8 Afr
23 T 11.8 Afr

Car was tuned by RWTD. Do these T's stand for Timing??
I think they do an was wondering if they do could I run the
20° timing on pump fuel? 93 octane of course.

Here are the mods
.293 upper
K&N FIPK2
Steeda Catback
Steeda Ofr X

Stock.long block 1050 miles...

The old engine was tuned with these an popped cylinder
2. Fuel detonated an scarred tge cyl wall and also melted a hole in the piston. It
was on the 23T 11.8afr tune when I bought it.t I assume Id need at least 110 octane for that assuming T stands for timing.
Just like to get your thoughts on this...

 

[t56speed]

Geeeze somebody help.a newb out lol

 

[Brutal Metal]

20 degrees of timing is doable on 93

 

[greengt88]

my timiing spans from 17.5-21.5* on 93, my A/F is 11.4-11.6

 

[TRQJUNKIE]

I'm running like 22* or 23* on 93 octane no issues

 

[04gtstang]

I have ran 23*s on pump gas...as have many others but make darn sure you A/F is 11.5 or so...or run some additive. My pumps are pegged and last time out on 23*s I could hear it pinging...so not going to drive it again till I switch to E85.
21* would be pretty safe on 93.

 

[t56speed]

Thanks guys I appreciate it... I may run the 20°
But im.on stock timing for now an thats not near
Enough to hurt the engine... Im going to install a wide
Band this weekend to check the fuel...

 

[t56speed]

Ran wideband today an got a 12.4 afr in 3rd an 12.1 in 4th.
Gonna be getting a new tune asap

 

[03Snake04]

a .293 upper ... i bet you have some major belt slip oke:

just messing... an 11.8 a/f is nice .. ive read many times that 20* T with the eaton isnt too much ... that you can go a few degrees higher with the eaton than a TS with 93 octane.. dont ask me how come tho:shrug:

 

[t56speed]

No.slip what so ever got 3 piec bf idlers 2 100mm an one 98mm
Figured out why I was so lean. Pulled plugs an found stock
Motorcraft platnums.... changed to tr6 gapped at .035 made a pull
Went 11.8afr on 20 degrees of.timing. My tunes are unlocked so I pulled
2 degrees of.timing out 4000 to 8000 to make it a little safer
Ran 11.6 on.18° so thats where shes staying.

 

[Posi]

You can easily go 23*'s with 93 octane even with a 2.9/6lb combo like I run. If I drove my car on the street a lot I would run 23*'s and not have one worry about it.

 

[03cobra#694]

23* here with a 11.8 afr, 14lbs on 93, no issues.

 

[t56speed]

Thanks guys will retune an check the fuel.

 

[SpectorV]

2.93 upper, intake, exhaust and I have a tune from Ed Bryan (used to work with RWTD) and I have 23 deg timing on 93 octane with no detonation issues.

I currently am running a lower degree timing tune though, I feel safer at 20deg timing or 21.

 

[chitowncobra]

25*with a 2.8 upper on 93 octane in florida w/ A/C for 5 years now no issues!!!(but with alot of cooling mods) 160% thermostat and lower fan settings, LFP Racing Rad...,LFP Dual Pass H/E, and LFP I/C Res...GEN II Evenflow mod cooling!!!:coolman: