V6-V8 swap-one question

9986paulk · November 11th, 2011, 10:32 PM

Ok, so I have the twin turbo V6 mustang now, and have a buyer for my turbo kit. I also have that 13k mile GT drivetrain laying here that I'm going to swap in once I get the kit taken off. So my question...How do I go about getting the car to start? I mean I have the Gt/5 speed ECU, but only the keys to my V6 ECU. The ECU is what detects the chip in the key, correct? Otherwise that wouldnt even be a problem. And I'm pretty sure I can get around everything else just fine. The only thing I didn't consider was the gauge cluster swap. No big deal anyway.

Thanks for the help, Mike.

Mustang02gt · November 11th, 2011, 11:39 PM

the guage cluster just take to a dealer ship and have them flash the ecu to the vin, the key to the ecu. just tell the dealer ship what your doing and they should be able to take care of your problem for around $150 maybe less. this should solve your pats issue.

just a side note youll probably need a bigger fuel pump for the bigger engine. dont know if you thought bout that yet

codycat91 · November 12th, 2011, 02:03 AM

Kinda unrelated, but if you were doing a swap like this, or of any type, could you have the dealer adjust the digital odometer to match the other engine, or set it to zero if you're putting in a brand new built engine?

6ER THEN I 8ER! · November 12th, 2011, 03:13 AM

Originally Posted by codycat91

Kinda unrelated, but if you were doing a swap like this, or of any type, could you have the dealer adjust the digital odometer to match the other engine, or set it to zero if you're putting in a brand new built engine?

dealers as far as around here will not do that...

laoutlaw01 · November 12th, 2011, 03:27 AM

I'm not completely familiar with the laws exactly but I think reseting the odometer even with all new parts is illegal.

brendon557 · November 12th, 2011, 06:06 AM

Originally Posted by laoutlaw01

I'm not completely familiar with the laws exactly but I think reseting the odometer even with all new parts is illegal.

Yep. It is considered fraud and is a felony in many states.

Looks like I did learn something this semester in college

lol

Cabikejumper · November 12th, 2011, 06:44 AM

You can have it changed by sending it out to a few companies and have the mileage changed. You'll need a affidavit. Or find right people that have a license to change them from home. That's what I did on an old car. But the title was marked with faulty odo and listed as incorrect mileage/exempt. Plus I had no plans to sell the car.

joswo1980 · November 12th, 2011, 08:10 AM

Or u can buy a cluster with lower mileage on it

the reading is built into cluster itself not Ecu , u still need to disclose actual mileage though if u sell it or its fraud don't wanna promote any illegal activitys here

MustangMatt96GT · November 12th, 2011, 10:43 AM

Do the V6 cars have Pats?

Because the Pats module is what detects if you have the correct key. Im not sure if it will a V6 one is the same as a V8 one but if so you wont have issues starting the car.

Other way around it is have a tune done by a professional tuner that has professional software and have them turn PATs completely off.

SON1C · November 12th, 2011, 01:41 PM

this ^

just turn PATS off in a tune

9986paulk · November 12th, 2011, 03:54 PM

Thanks guys, those were what I thought I had as options. But if I were to get the GT gauge cluster, i'd still need everything reprogrammed, right? So the keys/ECU/cluster match?

Otherwise I've heard of the possibility of having the speedo and tach from the V6 work with the new engine, or have some kind of tuning for it to work.

On another note...damnit, I wish I'd have had more time on that shortblock offer yesterday for $2500. I might do that before I put it all together and save tearing it apart in another year. It's kind of a shame to do with a 13k mile engine though when I'm only looking to make about 350-400hp.

95mustangGT/SVT · November 12th, 2011, 04:09 PM

Originally Posted by codycat91

Kinda unrelated, but if you were doing a swap like this, or of any type, could you have the dealer adjust the digital odometer to match the other engine, or set it to zero if you're putting in a brand new built engine?

The odometer on a car does not track the motor and drivetrain. It is designed to record the chasis mileage. Just becasue the motor is rebuilt does not mean that ball joints, axles, steering components and more are any less worn.

MustangMatt96GT · November 12th, 2011, 04:28 PM

Originally Posted by 9986paulk

Thanks guys, those were what I thought I had as options. But if I were to get the GT gauge cluster, i'd still need everything reprogrammed, right? So the keys/ECU/cluster match?

Otherwise I've heard of the possibility of having the speedo and tach from the V6 work with the new engine, or have some kind of tuning for it to work.

On another note...damnit, I wish I'd have had more time on that shortblock offer yesterday for $2500. I might do that before I put it all together and save tearing it apart in another year. It's kind of a shame to do with a 13k mile engine though when I'm only looking to make about 350-400hp.

I have never done the swap. But if the Pats is turned off in the tune, you wont have to have anything reprogramed as far as I know.

me2dumb4college · November 14th, 2011, 02:35 PM

Hey, call this guy... he can flash your ECU the same as Ford and will charge you a lot less

Dirty Dirty Racing - Ford GM Dodge Tuning

November 11th, 2011, 10:32 PM	#1
9986paulk Hardcore Enthusiast 1999 Mustang V6 Join Date: Dec 2008 Location: Youngstown Posts: 1,226 iTrader: 3 reviews	V6-V8 swap-one question Ok, so I have the twin turbo V6 mustang now, and have a buyer for my turbo kit. I also have that 13k mile GT drivetrain laying here that I'm going to swap in once I get the kit taken off. So my question...How do I go about getting the car to start? I mean I have the Gt/5 speed ECU, but only the keys to my V6 ECU. The ECU is what detects the chip in the key, correct? Otherwise that wouldnt even be a problem. And I'm pretty sure I can get around everything else just fine. The only thing I didn't consider was the gauge cluster swap. No big deal anyway. Thanks for the help, Mike. __________________ Twin Turbo

November 12th, 2011, 02:03 AM	#3
codycat91 MM Fanatic 2003 MUSTANG GT Join Date: Dec 2010 Location: Buffalo, NY Posts: 3,497 iTrader: 10 reviews	Kinda unrelated, but if you were doing a swap like this, or of any type, could you have the dealer adjust the digital odometer to match the other engine, or set it to zero if you're putting in a brand new built engine? __________________ 4v MMR 4.75 Stroker, Teksid block .020 over, 9.27:1CR, Posi Race Ported Eaton 4v MMR Stroker 1000 / Posi Race Ported Eaton Build How To: 2v to 4v COP Swap

November 12th, 2011, 03:27 AM	#5
laoutlaw01 Regular Join Date: Oct 2011 Posts: 381 iTrader: 0 reviews	I'm not completely familiar with the laws exactly but I think reseting the odometer even with all new parts is illegal. __________________

November 12th, 2011, 08:10 AM	#8
joswo1980 Regular 2001 mustang gt no clue Join Date: Jan 2011 Location: troy ny Posts: 488 iTrader: 0 reviews	Or u can buy a cluster with lower mileage on it the reading is built into cluster itself not Ecu , u still need to disclose actual mileage though if u sell it or its fraud don't wanna promote any illegal activitys here __________________ zex blackout 125 shot,bbk 78mm tb,bbk CAI, flowmaster accel supercoils, diablo tuner. New setup in works VORTECH V2 SQ BOLTED ONTO A MMR 750

November 12th, 2011, 10:43 AM	#9
MustangMatt96GT Proud American 1996 Mustang GT Join Date: Dec 2006 Location: Lakewood, CO Posts: 10,690 iTrader: 3 reviews	Do the V6 cars have Pats? Because the Pats module is what detects if you have the correct key. Im not sure if it will a V6 one is the same as a V8 one but if so you wont have issues starting the car. Other way around it is have a tune done by a professional tuner that has professional software and have them turn PATs completely off. __________________ RIP Travis Billings Special Thanks to: Andrews Racing Transmissions Baseline Suspensions 25.3 SFI Chassis Build Never Lift Racecars

November 11th, 2011, 11:39 PM	#2
Mustang02gt Regular 2002 Mustang GT 13.2 Join Date: Mar 2010 Location: Allen,Tx Posts: 255 iTrader: 0 reviews	the guage cluster just take to a dealer ship and have them flash the ecu to the vin, the key to the ecu. just tell the dealer ship what your doing and they should be able to take care of your problem for around $150 maybe less. this should solve your pats issue. just a side note youll probably need a bigger fuel pump for the bigger engine. dont know if you thought bout that yet

November 12th, 2011, 01:41 PM	#10
SON1C Run ur car, not ur mouth. 2003 Sonic Blue 4.6L Join Date: Jul 2010 Location: Northern Virginia Posts: 4,047 Blog Entries: 1 iTrader: 3 reviews	this ^ just turn PATS off in a tune __________________ 238rwhp/263rwtq Drew's Build Thread

November 12th, 2011, 03:54 PM	#11
9986paulk Hardcore Enthusiast 1999 Mustang V6 Join Date: Dec 2008 Location: Youngstown Posts: 1,226 iTrader: 3 reviews	Thanks guys, those were what I thought I had as options. But if I were to get the GT gauge cluster, i'd still need everything reprogrammed, right? So the keys/ECU/cluster match? Otherwise I've heard of the possibility of having the speedo and tach from the V6 work with the new engine, or have some kind of tuning for it to work. On another note...damnit, I wish I'd have had more time on that shortblock offer yesterday for $2500. I might do that before I put it all together and save tearing it apart in another year. It's kind of a shame to do with a 13k mile engine though when I'm only looking to make about 350-400hp. __________________ Twin Turbo

November 14th, 2011, 02:35 PM	#14
me2dumb4college Enthusiast Join Date: Sep 2011 Location: Reston, VA Posts: 866 iTrader: 0 reviews	Hey, call this guy... he can flash your ECU the same as Ford and will charge you a lot less Dirty Dirty Racing - Ford GM Dodge Tuning

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