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REV-N-NATOR Frequently Asked Questions

Read before installation:    * Do NOT use with Solid Core Spark Plug Wires! *  

Q: How does the REV-N-NATOR work?
A: The REV-N-NATOR drops out every other cylinder and holds RPM to the selected rev limit (similar to an MSD soft touch). For more information check the How It Works page.

Q: What ignition coil and distributor do you recommend?
A: Our coil with the FireCore distributor. We carry matched coils and FireCore distributors. Both are in stock, if you need one. We highly recommend the matched HP, stock-appearing REV-N-NATOR coil. It is specially designed for your 2015 REV-N-NATOR ICU, to give you the best performance and runability: Like a perfect fitting pair of shoes! Our box with matched coil, outperforms any aftermarket HP coils. That includes MSD and Accel Coils. They are good coils but, our coil is made for your REV-N-NATOR, to have the absolute best performance .

Both our REV-N-NATOR ICU and coils are made in USA.

You can always purchase the matched REV-N-NATOR coil separately, on our website.

We highly recommend the FireCore distributor because of the adjustable mechanical curve and stock look, 3 sets of advance springs, and very easy-to-adjust mechanical curve.  A very nice quality piece: Never underestimate having the best distributor for your application. We use FireCore in all our customer cars! 

If you are using with a Mopar Distributor, make sure your reluctor gap is set correctly, .008 to .010. We have found that many Mopar distributors are not set up properly and do not deliver a strong enough signal. The REV-N-NATOR needs a strong signal.

Q: What about "grounding" the REV-N-NATOR?
A: Make sure the ground wire is "under" the head of the bolt, not between the box and firewall. ( See picture )

The REV-N-NATOR is all new technology. It does not have grounding issues like the stock boxes are known for. Do not attempt to "grind," notch or "scuff" the REV-N-NATOR paint case! The case is not internally grounded. We provide a separate attached ground lead wire for a positive and secure ground. This is all that is needed. "Scuffing" paint on the box will NOT improve your ground and will void your warranty! Don't worry about pressure of box over wire. It's made to withstand this type of installation, unless you are using tach lead. If you are having any problems, please let us know, before you do anything to your box!

* IF BOX IS CUT, paint scuffed OR defaced, WE CAN NOT GRANT A REFUND or REPLACEMENT *

 

Q: When and how do I use the Auxiliary Tach Lead?
A: Use this auxiliary lead if you experience tach or needle bounce after the REV-N-NATOR has been installed.  If No Tach bounce, you don't need to use it.

In rare cases having "Tach or needle Bounce", you now have the option to use the auxiliary tach lead, located on the reverse side of your REV-N-NATOR I.C.U. ( Grey wire ). When using the tach lead, unlike the braided ground, you will need to raise your REV-N-NATOR box up off the firewall slightly, using just some small washers. The Tach lead, should not be "pinched."  See next FAQ, how to connect your Auxillary tach lead, if you need it...If you have any questions on the correct way to set up using this auxillary tach lead, let us know.  *Do NOT "notch' or cut into box, as this VOIDs your warranty for a replacement or refund!  

Q:  How do I correctly connect the Auxillary Tach lead, if I need it?
A:
1. Remove your negative tach lead wire from coil.
2. Connect your negative tach lead wire, DIRECTLY to the REV-N-NATOR Auxillary Tach lead (located on back of ICU-grey wire).
3. DO NOT SPLICE in original tach lead wire with it still connected to coil/or to negative on coil! This will damage your REV-N-NATOR!

WARNING: IF YOU SHORT OUT YOUR TACH OR THE NEG WIRE ON YOUR COIL, IT CAN DAMAGE THE 'COIL DRIVER' IN THE REV-N-NATOR. THIS IS NOT WARRANTIED, HOWEVER IT CAN BE REPAIRED FOR A FEE. 

Q: My car is running rough or won't start.
A:
What is your coil? Mopar distributor? Do you have SolidCore spark plug wires? Are your polarities reversed? You may laugh, but this is quite common, even on a new build! 
*Check Installation sheet for more information.
*Checking this is important, even if your car is running fine with a stock Chrysler  box. Doing so, will just make your car run that much better! For other tech tips check www.thertgarage.com in FAQ or contact us for any help. Please contact us first, before a return. 

Q: I have a stock tach, and it looks as if the Rev limit is kicking in late.
A: One of the MOST IMPORTANT features of our box is the Rev limiter. It is our #1 concern, to make it digitally right on and correct. After all, this is your protection!

The Rev Limiter is not a "component," so it can not "go bad" or stop working. We have found with years of R & D, many stock tachs can be off as much as 1,500 rpm or more. Even brand new aftermarket tachs can be off 200 rpm. You can also check, exactly, what your rpms are by having some one else watch the L.E.D.s scroll under the hood, as they also function as a tach. We always test rev limit, using the #1 - 3000 rpm rev limit. Your L.E.D.s should scroll and light up L.E.D.s to #3 when testing with throttle, for rev limit. The L.E.D.s are then working as a Tach, telling you the exact rpms. 

Q: How do I use the LED settings?
A: The decal numbers listed above LEDs do not correlate with rev limit rpms. They DO correlate when functioning as a tach, when tuning/setting timing, under hood.  *We send all boxes set at the  #1-3,000 RPM test setting. When you have selected your RPM, this will stay set, whether a battery is disconnected or car is not running, until you decide to change setting! Your ICU, should pulsate at the selected setting, when running. When accelerating, the L.E.D.s will scroll with RPM, as a Tach.   #1 --- 3,000 rpm is also a good theft deterrent setting !

Rev Limits are as follows:

#1---3,000 RPM  Test and Tune setting . Please use this rpm and get use to how the Rev-n-nator rev limiter works. Use a digital timing light.

#2---5,000 RPM

#3---5,500 RPM

#4---6,000 RPM

#5---6,500 RPM

#6---7,000 RPM

#7---7,500 RPM

When you first, turn your key... The Rev-n-nator L.E.Ds will all light up once, then flash the "version" code, then settle and pulsate at the desired  Rev Limit.

Q: What about timing?
A: This is overall a "plug n' play"  ICU, but you may need to adjust your timing. In some cases retard 2-6 degrees. Tune first with a stock Chrysler box, then install your REV-N-NATOR. Especially on a new build. 

*Always set timing and tune, using the #1 -  3,000 RPM, before you take your car out and test the rev limiter! Installation and timing instructions are included but, don't hesitate to call with any concerns.

Q: Do I need to use a ballast resistor with The REV-N-NATOR?
A: The use of the ballast resistor IS HIGHLY RECOMMENDED for everyday street use, however, it may be bypassed for a RACE ONLY application, with short term use.

Q: Do you recommend Vacuum Advance?

A: No We do not recommend vacuum advance, but in some applications it's fine. You need to take the time to make adjustments to your distributor, if needed.
The reason we do not like vacuum advance is because our box has a digital type flywheel built in. This helps smooth out the timing, and it does not like all the movement and "chatter" vacuum advance causes. Some cars may seem to run better with their vacuum advance hooked up because they do not have enough initial timing in their car. If you have a 318 or a low performance motor, it can benefit from vacuum advance at part throttle. However, If you set your timing up with enough initial timing and the correct total timing, your car will run great without VA and get the best gas mileage and performance that can be expected out of these older cars.

Example: How we set up our customers' timing: Approx. 18-22* initial timing and most motors like between 32-38 total, depending on your engine (with no vacuum advance). This is a combination that works well for the R/T Garage as well as many engine builders. Our customers are very happy when we perform this type of tune up or they follow these steps.

Q:  Whats the best safety precaution with my I.C.U.?
A: There is no reason to be ever be stranded when you have a REV-N-NATOR! Other than the great stock appearance and easy usability of the REV-N-NATOR, one of the other reasons we like the "plug n' play" is that we want your box to last for years, but if you ever had a problem, just  like throwing a screw driver in your tool box of your car, just keep an extra cheap, stock Chrysler ignition box, in your toolbox/glove box.  You may never need it, but if you do, its an easy "plug in" emergency box to get home. You will never need a tow, unlike other aftermarket ignition applications! Convenience and protection is what the REV-N-NATOR can provide you. We never want to leave you stranded.

Troubleshooting...Remember even with a Chrysler stock box, your car will run, even if you have issues.

A Stock box is a glorified set of points...  and is without any intelligence.  It is not performing the tasks that your REV-N-NATOR is. The REV-N-NATOR is a high-tech computer piece with analog and digital technology. If your car has an undetected issue, your REV-N-NATOR may pick it up, but your stock box will not. Example: Your stock box could run fine, if you have an incorrect reluctor gap or a coil wire going bad...etc., but the REV-N-NATOR is checking that everything is working correctly. If one of those things are bad, the REV-N-NATOR will let you know by the flashing of LEDs or running rough. In the end, having your car tuned correctly and components at their best, you will have an even better running car.  And with your REV-N-NATOR, you will feel the difference. Of course, if you are having issues that you can not troubleshoot, we will always check your REV-N-NATOR and make sure you do not have any problems with your box. We back our product and you! Email or give us a call.     

 

Please contact us if you have additional questions.



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