View Poll Results: Which speedometer Calibrator do you prefer?
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Modifry or Ricks Speedometer Calibrator
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From: Winnipeg
Modifry or Ricks Speedometer Calibrator
I've got a Puddymod diff on the way with some 4.56 gears and am curious which speedometer calibrator people prefer, or if it really matters which one I get. 
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Joined: May 2007
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From: Denver, CO
Based on price alone, for two devices which perform identical tasks and seemingly simplistic circitry (which you wouldn't expect to fail), I'd go with the cheaper.
To clarify: I do not own nor have I used either of these devices.
To clarify: I do not own nor have I used either of these devices.
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Joined: Jun 2005
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From: Gainesville
I got 4.56 gears from puddy as well and initially went with the modifry recalibrator. It worked wonderfully but i started to have some problems with it, It wouldn't transmit the signal correctly and I would have to unplug it and plug it back in and it would work again. I talked with bob at modifry about my problem for a long time and he was very helpful and understanding with my situation. He tried his best to help me figure out what was wrong but in the end I tried the yellowbox and i haven't had the problem. Bob assured me , and i have heard from others using the yellowjacket that my problems were rare with the product and probably an isolated inscodent. So having used both products, I can say the yellowjacket is more accurate, I have the yellowbox dialed to about -2mph and the yellowjacket was dead on, the yellowjacket is mucch easier to adjust on the fly and is cheaper. Either product will get the job done and I would recommend the yellowjacket just because it is cheaper, and it does have a reliable service record which i am sure others can vouch for. I hope this helped in your descision and have fun with the geears they are a blast.
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Joined: Nov 2006
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From: Miami, Fl.
Originally Posted by abmusser,Jun 28 2008, 04:45 PM
So having used both products, I can say the yellowjacket is more accurate, I have the yellowbox dialed to about -2mph and the yellowjacket was dead on, the yellowjacket is mucch easier to adjust on the fly and is cheaper..... I hope this helped in your descision
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From: Winnipeg
Originally Posted by abmusser,Jun 28 2008, 06:45 PM
I got 4.56 gears from puddy as well and initially went with the modifry recalibrator. It worked wonderfully but i started to have some problems with it, It wouldn't transmit the signal correctly and I would have to unplug it and plug it back in and it would work again. I talked with bob at modifry about my problem for a long time and he was very helpful and understanding with my situation. He tried his best to help me figure out what was wrong but in the end I tried the yellowbox and i haven't had the problem. Bob assured me , and i have heard from others using the yellowjacket that my problems were rare with the product and probably an isolated inscodent. So having used both products, I can say the yellowjacket is more accurate, I have the yellowbox dialed to about -2mph and the yellowjacket was dead on, the yellowjacket is mucch easier to adjust on the fly and is cheaper. Either product will get the job done and I would recommend the yellowjacket just because it is cheaper, and it does have a reliable service record which i am sure others can vouch for. I hope this helped in your descision and have fun with the geears they are a blast.
Ben is sending a Yellow Box with my diff I figured it was just easier as he had one on hand so I just bought it off him
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Joined: Mar 2008
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From: Lompoc CA
anybody know what speedo calibrator HTG sells? i'm supposed to be receiving one but it doesn't state which it is, whether jellow box/jacket. going by the above review i'm hoping now it's the yellow jacket...
