New Tuner - Rev Performance Precision EMS Wide Band Unit

[ric27]

If it works, it did not for us.

OK, So what is you story? What did you use it on and what happened or didn't happen?

[Thumper Buttercup]

Short Version, all it did was dump so much fuel that of 7 test rides 5 of them we
had to dump the oil because of so much fuel.

Never got any good gas mileage, unless you babied the throttle and kept the rpms
low you smelled fuel.

Almost runied a new build had CCP of 185 on a fresh build, rear dropped down to
160 and the front down to 170.

Went to the TTS and It looks like we had a bad ECM that we purchaced from Rev Perf. They even came here, Josh said the bike ran like a dog.

Tried for all of June and July and part of August to get this bike to run with their
system.

With the TTS we finished the break in ccp of 180 front and rear, a lot more
of the story but you get the jest.

This was a brand new build Rev-Perf did our crank (so far a great job engine is
smooth).

04 FLHTCUI
HEADS REWORKED BY LARRY'S MACHINE
NEW PISTONS AND CYLINDERS FRESH BORE 95 CU.

EVERY PART IN THE ENGINE REPLACE BUT THE MAIN
BEARINGS, TIMKEN UPGRADE DONE.  THE ONLY PART
NOT CHANGED WAS THE ROCKER ARMS AND THEIR SUPPORTS.

EVEN UPGRADED THE ELECTRICAL TO THE THREE PHASE 50 AMP
SYSTEM BY CYCLE ELECTRIC.

HIPPO UPGRADE FOR THE HYD TENSONORS AND ANDREWS 48N
CAMS, SE CAM PLATE INSTALLED.

ALL NEW ENGINE SENSORS AND INJECTORS INSTALLED.

Since running the TTS the gas mileage has jumped up and no gas
in the oil once.  Bike runs great, never better, even sounds better,
the wife and I are totally happy with the new system and the way
the bike finally runs!!!!

[turboprop]

I don't mean to put words in your mouth, but can I assume you have talked to the people at RevPerf about this? I am interested in hearing their response to this.

[Thumper Buttercup]

We talked several time a week at times and e-mailed back and forth.

Brian and Josh came here and Josh worked on the bike for several
hours, but in the end it still did not run right.

Pull the plugs, pull the 02's it looked like we were running coal not
gas.  There are a lot of facts but the bike never run right, as in
performed in all riding from easy to interstate.

Brian is a nice guy and came out they went out of their way to help us
but their system did not work with us.

In the end they refunded the cost of the EMS unit.

[mike 120]

Was it a faulty EMS or the actual ECM that was bad?

[Thumper Buttercup]

Mike, I'm guessing the ECM was bad all a long, there is more that
but I'm not going there.  When we loaded up the TTS we had all
kinds of errors and most of them were the engine sensors like our
harness was messed up.

We pulled the tank and manually did a check of all our grounds on
the harness and all checked out good.  My wife ( the jet engine mech )
said lets put the old 04 ecm on and see if any errors show up.  We did
that and no errors.

We are rolling with the TTS and not looking back.  When we pulled the
unit to send it back our 02's and plugs looked like they did every time
we checked them, black as coal and fouled up looking.

We wanted a few more answers but we got tired of having the bike down
while having to ship the EMS back or all the work we were doing trying to
troubleshoot the system.  I lost count of the times we pulled the exhaust and the
plugs did compression tests and then dumping all the oil in the bike and the
crash bar oil cooler we are running.  We did not like the thought that we
might have to re do the pistons and cylinders also.

We gave this system a honest test and it did not work for us.  We worked with
Rev-Perf and they came here to check the bike.  Josh hooked up their computer
system and rode the bike.  Josh's impression was the bike was not running right.
That day on a short run up and down the road it pulled great but a real road test
showed it was still running way too rich and washing down our cylinders with gas.