SCT TOLD ME YOU CAN'T ADJUST FOR GEARS ON 97?

DeadLifter · Jun 16, 2006

I got a xcalibrator today mainly to adjust for my gears and tires and played around with it for awhile couldn't find anything to make adjustments to these things so I figured it would be in my custom tunes since I told the dealer all my mods. Took the car out and drove it and speedo is still off now I'm gettin pissed called the dealer didn't answer phone so I called SCT and they said you can only make these changes on 99 and up. Are they wrong or am I going to have to send this thing back? Being able to tweak timing and AFR isn't really worth $400 if I make changes for speedo too.

Kilgore Trout · Jun 16, 2006

Its true, they are mechanical speedo, not electronic...

COramprat · Jun 16, 2006

McTeague said:
Its true, they are mechanical speedo, not electronic...

It's in the fine print. I doubt they will let you send it back...but the disconnect of the battery on 96's is what made me get rid of mine.

DeadLifter · Jun 16, 2006

How do the speedo recalibrators work for 94 and up? I just seen the star beside axle ratio selection on the SCT sight where it says 99 and up. Guess i screwed up.

DeadLifter · Jun 16, 2006

COramprat. You mean having to disconnect the battery after you put the tune in. It looks like I'll have to pay a 20% restocking fee so about $80 plus shipping to return it.

COramprat · Jun 16, 2006

The Speedcal connects to the speedo cable at the tranny and then sends the signal to adjust for whatever gear and tire ration with a combination of dip switches.

On the 96 you have to disconnect the battery after each flash to "reset the keep alive memory". I got fed up with having to reset presets and clocks so I got rid of it. There was nothing in the fine print about that when i bought it.

DeadLifter · Jun 16, 2006

I had to disconnect the battery too plus pull fan and fuel pump fuses.

tomustang · Jun 17, 2006

you need speedo gears

DeadLifter · Jun 17, 2006

Tom. Shouldn't a speed cal work ok. Replacing the driven gear has always left my speedos off in the 5.0's I've had and I don't feel like rippin the tailshaft off the tranny to replace the drive gear. Gettin Lazy.

RandyStinchcomb · Jun 17, 2006

DeadLifter said:
Tom. Shouldn't a speed cal work ok. Replacing the driven gear has always left my speedos off in the 5.0's I've had and I don't feel like rippin the tailshaft off the tranny to replace the drive gear. Gettin Lazy.

I dont think its about gettin' lazy as much as it's gettin' wisier as we get older

DeadLifter · Jun 17, 2006

Well said Randy. I've been crawlin' around under cars for way too long.

COramprat · Jun 17, 2006

DeadLifter said:
Tom. Shouldn't a speed cal work ok. Replacing the driven gear has always left my speedos off in the 5.0's I've had and I don't feel like rippin the tailshaft off the tranny to replace the drive gear. Gettin Lazy.

Speedcal works fine...actually the gear is easy to swap too. Don't have to get at the tail shaft. It is a gear where the speedo cable goes into the tranny. I had one but it tore up in about a year so I went with the speedcal.

urban96 · Jun 17, 2006

theres also the dallas mustang speed cal that splices into the VSS sensor and adjusts for gears or bigger/smaller tires

COramprat · Jun 17, 2006

urban96 said:
theres also the dallas mustang speed cal that splices into the VSS sensor and adjusts for gears or bigger/smaller tires

That's what I have...cept from Brothers.

DropTopPony · Jun 17, 2006

i went with the Dallas Mustang Speedcal also after my speedo gear kinda wore out and my speedo would be off alot in higher speeds.

5.0's 4 ever · Jun 17, 2006

I suggest just getting the speed cal, with 4.10s and up you have to use the 23 tooth speedo gear which pretty much gets destroyed over short period of time. With my 96 I use the stock 19 tooth speedo gear with 4.30s and a viper t56, my speedo is dead on since I had help from the guy who designed the speed cal.

DeadLifter · Jun 17, 2006

Coramprat.
There's a driven gear on the end of the cable and there's a drive gear in the tranny if you want to get the speedo working the way it should without chewin up the gears they both need to be changed.
I got lucky and they said they'd take the Xcalibrator back. I'm gonna go with a speed cal and MIL deletes.
Can you program the speed calibrators yourself or do they do it for you?

COramprat · Jun 18, 2006

DeadLifter said:
Coramprat.
There's a driven gear on the end of the cable and there's a drive gear in the tranny if you want to get the speedo working the way it should without chewin up the gears they both need to be changed.

New one on me...I still have the tail shaft gear then. After my gear install I needed my car back so I didn't have him install the speedo or tranny gear. I put the driven gear in and left it at that. Didn't know what to do with the other.

I got lucky and they said they'd take the Xcalibrator back. I'm gonna go with a speed cal and MIL deletes.
Can you program the speed calibrators yourself or do they do it for you?

At least they took it back. I was SOL with mine since I'd had it for 6 months. I did trade it for a dyno tune and switch chip plus 200 cash. Worked out OK for me since a dyno tune would have cost about 600 anyway. I only paid 325 for the Xcal so I came out good.

The Speedcal is set up easily yourself. Dallas Mustang has a how-to on their site...works for the Brothers piece too since they are both the same.

Pennywise2 · Jun 18, 2006

I have had a Dallas Mustang Speedcal for over four years
now and I never had a problem with it.Yes,the DM site has
directions.I installed my DM Speedcal in 30 mins. it was quite
easy.

macdstr8up · Jun 18, 2006

Pretty much in the same boat you are man , i was really mad about this, plus i didnt feel crap from the programmer, I feel ur pain.

SCT TOLD ME YOU CAN'T ADJUST FOR GEARS ON 97?

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