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[chopt]

Anyone using or have info on The Twin Power EFI Fuel Calibrator? It looks to plug in just like the power commander but with fuel capabilities only. Right now i'm looking to get either this or the Techlusion TFI/DFO. Next , the "used" Vance & Hines mufflers I purchased are in dire need of repacking. Fiberglass repair matting looks to be too coarse and compacted and fiberglass insulation is just the opposite, too fine and loose. Could i use either or a combination of the two, or just drop the dime for a repack kit?
Thanks in advance for all the advice, this site is a great place for info and help.
chopt

[Unbalanced]

Chopt,

Simply put break down and spend the bling on a racetuner or a power commander or a Zippers Thundermax.    All this trying to save money on items that really dont do the trick and leave you no better off than you are now.   You cant say how lean you are.  You can't say how rich you are.  Your then going to throw just fuel at the problem.   How much fuel  is enough ... seat of the pants means you will probably be running lean since your guessing and typically the bike runs hotter lean.

In regards to the 2nd question again spend the dime and get it from the factory have it be right or buy 2 destroy one and tell us what the best avenue or approach is for the next guy that asks or needs the same info hehe.

I can tell you every time I try and do something in an effort to save money it costs me 2 x the amount it could have had I just done it right the first time.

[hdturner]

i use the TFI, had it installed by Daytona HD with the dyno runs for tuning. it greatly reduced the popping on decel for my rineharts.

[Unbalanced]

HdTurner,

See that is the point without the DYNO its not going to benefit him and if your going to pay for the dyno time why not just do it and get the additional benefits that are included especially when you can order the race tuner for 365 bucks from Chicago Harley .... 459 x 20 percent off = 91.80 savings.

Just my point of view on this topic.   Seen to many try to scrimp and save and in the end, end up buying 2 times.

[grc]

Chopt,

When I first bought my  [smiley=cherry.gif] , I planned on leaving it stock for the first year (well, that was the plan at least).  I bought the DFO to improve the low speed driveability by richening up the mixture.  For this purpose, the TFI/DFO is fine, and is the least expensive option.  However, if you intend to make any modifications to the pipes,intake, cams, etc., you need the ability to also adjust ignition timing to get the most out of your changes, which of course the DFO/TFI units can't handle.  In the spring, I plan to take up Zipper's offer on the ThunderMax (30 day trial) ECM, which I like better than the add-ons like the PC or RT.  

Jerry

[PCC]

If you break down with the Zippers module, which they do, you won't be able to "limp" home or to a repair shop...IMHO these replacement modules aren't proven to where I would use one. [smiley=nixweiss.gif]

[hd-dude]

If you break down with the Zippers module, which they do, you won't be able to "limp" home or to a repair shop...IMHO these replacement modules aren't proven to where I would use one. [smiley=nixweiss.gif]

If a HD ECM breaks down you won't limp home either....Do you have experience with the Zippers unit?

[JCZ]

If you break down with the Zippers module, which they do, you won't be able to "limp" home or to a repair shop...IMHO these replacement modules aren't proven to where I would use one. [smiley=nixweiss.gif]

PCC what happened to you during Street Vibrations?  I thought we were going to finally meet.  But you faded............

How come you didn't hook up with us?

[DCFIREMANN]

If you break down with the Zippers module, which they do, you won't be able to "limp" home or to a repair shop...IMHO these replacement modules aren't proven to where I would use one. [smiley=nixweiss.gif]

PCC you are the first to have mention any info on a bad Thunder Max. Please fill us in. I do know a few that had a bad factory ECM and as twolane said you aren't limping home that way either!

Be Safe

THE DAWG

[grc]

One of you "PC" experts correct me if I'm wrong, but if the H-D ECM takes a dump with the PC installed, you will be out of action also.  The PC doesn't replace the functions of the stock ECM, it just modifies the outputs.  The only failure mode I know of that will let you limp home is if the PC itself takes a dump, but the H-D ECM continues to work.

Jerry

[hd-dude]

One of you "PC" experts correct me if I'm wrong, but if the H-D ECM takes a dump with the PC installed, you will be out of action also.  The PC doesn't replace the functions of the stock ECM, it just modifies the outputs.  The only failure mode I know of that will let you limp home is if the PC itself takes a dump, but the H-D ECM continues to work.

Jerry

Jerry, your correct. What is the likelyhood of any ECM (HD, Zippers, ect..) crapping out. Has anyone here had one go ?

[grc]

Jerry, your correct. [highlight]What is the likelyhood of any ECM (HD, Zippers, ect..) crapping out[/highlight]. Has anyone here had one go ?

hd-dude,

A modern ECM is like any other electronic part, in that almost all failures related to the ECM itself occur very early in the life of the part.  In the automotive world, we find that most of our ECM / PCM problems come from poor electrical connections, not the ECM / PCM.  In other words, if you have good tight connections, the odds you'll have a major failure past the first few cycles are very slim.

Jerry

[Twolanerider]

Jerry, your correct. What is the likelyhood of any ECM (HD, Zippers, ect..) crapping out. Has anyone here had one go ?

I've had a PCIII wig out on me.  Wwhile no failure on the road is ideal that was about as good as it could be.  The bike started cutting out badly with absolutely no failure codes being presented.  Had it been a bike OE system something would have presented.  So I guessed it was  PC problem.  Pulled in to the first rest area I saw, spent ten minutes taking off the PC and just plugging the harness back on the ECM, and went on my merry way.  

While this isn't truly redundancy in a technical sense it was at least a failure that allowed an easy work-around.  Guess that one benefit of switching to the Thundermax would be a similar fall-back position.  If you plugged in a new Thundermax you could always just carry the stock ECM (nicely static wrapped) with you on the road.  It's small, won't eat anything, and takes but a few minutes to change if you ever think it might be giving you a problem.