140 mph speedo

Swap speedos and be done with it. It really is that simple.

Swapping the whole cluster out is where the problem is. If you just change the speedometer you'll be fine.

awesome, thanks alot for the info, im gonna go find me a gauge with 140 on it

You just need a gage cluster out of an '87-93 5.0 Mustang. For the '84(?)-86 cars, the speedo already goes to 140, but the markings stop at 85.

alright, so plain and simple, pulling a gauge cluster out of a 87-93 5.0 and putting it in mine is ALL i have to do, what about the tach, will it read right? it only goes to 6k, and the 5.0 goes to 7k and all that junk

sry, last time i thought somehting was that simple i tried to swap an 89 a4ld tranny into my 92, and that really really wasnt cool, and i do not want something of that magnitude of a headache again

Well at least one of you has reading comprehension skills.

One more time.

Swapping the cluster is where you run into problems. Stop. End of sentence.

It's an in and out deal if you change the speedometer, only the speedometer, and nothing but the speedometer. Stop. End of sentence.

Shinlee said:

alright, so plain and simple, pulling a gauge cluster out of a 87-93 5.0 and putting it in mine is ALL i have to do, what about the tach, will it read right? it only goes to 6k, and the 5.0 goes to 7k and all that junk

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Oh crap! I made a mistake earlier. You need a speedo out of an '89-93 5.0 Mustang. I completely forgot that the '87-88s also had an 85mph speedometer.

Edit: Unless the '87-88 Mustang was a Special Service car(like Highway Patrol). They not only had a 140mph unit, but it was also calibrated. The officer could use the speedo reading as legal evidence.

awesome thanks alot....hooked on phonix learned me good

Shinlee said:

awesome thanks alot....hooked on phonix learned me good

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Got the speedo swap done yet?

why dont you just find a set of white faced 85mph gage faces instead on ebay??