91 tow tune.

 

Mine has a bit more

Sorry. Is that a 4.6 or a 5.4? More info dude.

 

Mine is a 5.4 and is just a tad higher.

 

its a 5.4 2wd, dynoed in 2nd gear. 105* ambient.

 

I just had mine dyno'd by Mike Troyer and the gang a couple of weeks ago. With 4WD, a 5.4 and a 3.55 gear, I was at 210 rwhp. Once the adaptive strategy on the XCalII works through, I should gain about another 10 hp at the rear wheels.

If your mods are similiar to mine, I think you're right on the money.

 

what did your torque curve look like, I'm really not concerned with HP...was that on a tow tune as well?

 

Mine was on a 93 Performance Tune, that Mike believed was running on stale fuel. That's the last time I fuel up at the Sunoco in Covington, VA!

 

with my small as manifolds and air cleaner-due to underhood lack of room- i peaked at 208rwhp at 4300-my peak torq was 300 and stayed near that till it was at 270 at 4500 then started dropping-phil-my 03 4x4 5.4-mac cai 3" magnaflow single and diablo chip-228 rwhp and 300 ft lbs-phil

 

did you have pullies on that at the time?

I'm somewhat disappointed since I have 1K$ in longtubes on this thing. IMHO the fuel curve was a little fat dipping into the high 11's towards the top. Probably a lack of timing with IATs @114*.
Will a cummins fit in there?

 

no= they weren't on- my exhaust with the tune -is what gave me the broad tq curve-i didn't know you had long tubes- what are all ure mods?-p hil

 

The lt's go to a 3" mandrel pipe with the biggest magnaflow I could find, the headers made the old dynomax pretty loud. I made an intake out of some scrap aluminum I had, moved the filter behind the front headlight. Other than 31" tires that's it, maybe I'll put it on the rollers when its 75* outside in 3 or 4 months

 

For a 91 octane towing tune running at 114 degree IAT's I'd say that's damned good.

It's not a 93 octane tune, it's a 91 octane tune - and having 114 IAT's sure isn't going to help make power obviously, from a number of different standpoints - the hotter air contains less oxygen, as well as cause the PCM to pull timing to protect the engine - and I'm betting that the humidity and density altitude weren't so hot, either.

 

humidity wasn't bad, but I did check the air when I got home and the DA was 5300', I think it'll pull much harder when it cools off.

 

The DA was 5K+ as well, eh? Wow - well, overall, given the conditions that looks pretty darned good - and yes, once it cools off, it should pull better.

Good luck!

 

todd1,
What other mods besides the longtubes? I hope to get mine dynoed this fall sometime, just don't know when.....