3.8L to 5.0L conversion

sisch · June 25th, 2007, 02:19 AM

I am currently in the middle of converting my '94 3.8L convertible into a 5.0L and I'm stuck at a minor (though some ppl say major) point. My current speedometer cluster seems to be working fine with the 5.0 engine except that my odometer is broken (it broke prior to this conversion). So I was going to purchase a new speedometer cluster since I've been replacing just about everything else in the car.

My question is: MUST I use a speedometer cluster from a 5.0 (which is $100) or can I use one from a 3.8 (which is $40). Would it matter really since I NEVER plan on going any faster than 70mph (or the highest speed limit out there which I currently don't know what that would be). Do I really need a speeometer that goes to 150mph and 8k tach???

If I've posted this in the wrong category, please feel free to move it, just let me know where you put it.

Thanks

TurboLX · June 25th, 2007, 02:29 PM

it will have no affect, most guys with EX 4 bager 5.0's still run the 85mph cluster instead of the 140mph

June 25th, 2007, 02:19 AM	#1
sisch Look Ma! My First Post! Join Date: Jun 2007 Posts: 1	3.8L to 5.0L conversion I am currently in the middle of converting my '94 3.8L convertible into a 5.0L and I'm stuck at a minor (though some ppl say major) point. My current speedometer cluster seems to be working fine with the 5.0 engine except that my odometer is broken (it broke prior to this conversion). So I was going to purchase a new speedometer cluster since I've been replacing just about everything else in the car. My question is: MUST I use a speedometer cluster from a 5.0 (which is $100) or can I use one from a 3.8 (which is $40). Would it matter really since I NEVER plan on going any faster than 70mph (or the highest speed limit out there which I currently don't know what that would be). Do I really need a speeometer that goes to 150mph and 8k tach??? If I've posted this in the wrong category, please feel free to move it, just let me know where you put it. Thanks

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June 25th, 2007, 02:29 PM	#2
TurboLX IT'S TURBO TIME 1990 Mustang LX Turbo 9.71@141.6 mph Join Date: Oct 2006 Location: NY Posts: 8,756	it will have no affect, most guys with EX 4 bager 5.0's still run the 85mph cluster instead of the 140mph

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