Author
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Topic: 1998 GT to 2003 GT engine swap
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Built4Speed
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Member # 13873
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posted
I am swapping a complete 2003 gt motor into my 98 gt. I have both cars. Will the computer need to be swapped? Will the cluster work since it is not digital in the 98? [ 2015-06-09, 02:46 PM: Message edited by: Built4Speed ]
-------------------- Built 4 Speed...Built 4 Cheap
Posts: 230 | From: Sacramento | Registered: Dec 2014
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Wht86drop
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Member # 12104
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posted
If i were you id swap the whole harness and gauge with computer. No headache after that. And when i say whole harness i mean eeeeverything
-------------------- Jalapeña Red 86 GT Vert Yellow 72 Chevelle Rio Red 97 Cobra
High-Output Generations CC
Posts: 1669 | From: East Palo Alto, Fiji Islands | Registered: Jun 2012
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Blind
2.3L CAFords OG
Member # 3052
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posted
sensors should all work fine, the dash (speedo?) analog gauge gets it's signal from the trans, not the engine. I think the 98 used a digital speedo vss though, my `97 did...I had to use a dallas speedcal to correct my speedo after the 4.30 gear change.
-------------------- 89 LX Notchback ex 4cyl, 14psi 02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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70stang351w
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Member # 9948
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posted
thought you only had to get the adapter for COPS and plug and play?
-------------------- 1996 GT VERT /32v MOD - SOLD 1970 Mustang Coupe M-Code 351w
Posts: 1419 | From: 925 | Registered: Apr 2010
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Wht86drop
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Member # 12104
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posted
If he has both cars it would be cheaper to swap it all so he doesnt spend money on something he doesnt need
-------------------- Jalapeña Red 86 GT Vert Yellow 72 Chevelle Rio Red 97 Cobra
High-Output Generations CC
Posts: 1669 | From: East Palo Alto, Fiji Islands | Registered: Jun 2012
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SacStangDriver
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Member # 8304
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posted
just use the 98 gt harness and spark plug wires and put the 03 motor in. only thing you'll have to swap is the timing cover for the mounts. done this swap many times.
-------------------- Need sidework done at great prices? I work on all makes and models from engine work to gears. Check engine light problems too. 916 912 3493
Posts: 1217 | From: sacramento | Registered: Mar 2008
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SIC9250
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Member # 8216
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posted
quote: Originally posted by SacStangDriver: just use the 98 gt harness and spark plug wires and put the 03 motor in. only thing you'll have to swap is the timing cover for the mounts. done this swap many times.
^This.Dont make shit more complicated then what some of these replies are lol
-------------------- Coyote_Mach1
Posts: 6959 | From: in the drivers seat. | Registered: Feb 2008
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