how to fix my speedometer off badly
#1
how to fix my speedometer off badly
ok so i just recently did a engine and transmission swap on my mustang gt. i had a 97 gt and i installed 3.73 gears and it threw my speed off by about 10mph no big deal i knew i could buy a different transmission gear and it would fix that but i let my cousin borrow my car for month while i was out of town and he blew my engine so i did a engine swap and i put a 99 gt engine and transmission in my 97 body. well after finishing and taking a test drive now my speed is off horribly i will be in first gear doing 80 shift into second and now it says im doing 150mph so its not even close and i know you can not buy a transmission gear since that changed in the 99 but american muscle makes something but it cost $140 but everybody is complaining it doesnt work so im not going to buy it and waste money. so does anybody know what i can do to fix this and get my speed back to normal or has anybody bought this from american muscle and it actually did work.
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zanemoseley
2005-2014 Mustangs
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09-06-2015 12:58 PM