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Author
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Topic: 4v in a 2v gt?
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ugotsmoked
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Member # 6069
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posted
 
 
what does it take to do the swap? harness? ecu? direct bolt in?
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02 GT - Fully built and blown - RIP
'00 C5 Frc - Cammed and tuned - sold
66 Nova - Restored - 6.0 In the works
Posts: 1585 | From: Rocklin, Ca. | Registered: Sep 2005
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FoX GT
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Member # 4587
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posted
manifolds, engine harnesses, computer, if you have the cobra dual pumps an extra wire from the cutoff
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- AED -
03 Cobra 10th anni 3.4 Whipple 9.47@141
2012 Mustang GT 10.98@125
2015 Mustang GT
Bring what you got and hope its enough!
Posts: 1955 | From: East bay | Registered: Jun 2004
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ugotsmoked
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Member # 6069
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posted
thats it? seems too easy.
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02 GT - Fully built and blown - RIP
'00 C5 Frc - Cammed and tuned - sold
66 Nova - Restored - 6.0 In the works
Posts: 1585 | From: Rocklin, Ca. | Registered: Sep 2005
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ugotsmoked
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Member # 6069
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posted
can the heads just swap over with no mods to the block?
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02 GT - Fully built and blown - RIP
'00 C5 Frc - Cammed and tuned - sold
66 Nova - Restored - 6.0 In the works
Posts: 1585 | From: Rocklin, Ca. | Registered: Sep 2005
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Blind
2.3L
CAFords OG
Member # 3052
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posted
I did it a few months ago, It was pretty easy.
2v exhaust manifolds don't work on 4v heads, you need 4v manifolds/headers.
I am using the GT's stock engine harness and ECU (computer) and it runs fine, all the tuners I've spoken with say the GT and cobra computers are the same, so getting a tune for either is the same. I use an SCT X-cal2 with my car and tune it myself with their free extremetune software...
from this -
to this -
The car is really a lot more fun to drive now, I love the high revving nature of it, completely different from my 5.0
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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ugotsmoked
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Member # 6069
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posted
did you run into any snags that you did not expect? what were all the parts you had to aquire?
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02 GT - Fully built and blown - RIP
'00 C5 Frc - Cammed and tuned - sold
66 Nova - Restored - 6.0 In the works
Posts: 1585 | From: Rocklin, Ca. | Registered: Sep 2005
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Blind
2.3L
CAFords OG
Member # 3052
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posted
bought mark8
swapped the GT SOHC's motors parts onto it-
oil pickup tube/screen
oil pan
motor mounts
a/c comp.
p/s pump
flywheel
clutch
pilot bearing (new)
oil pressure sensor, coolant temp sensor, ect sensor
bought 96 cobra parts and installed-
imrc plates (and deleted the butterfly's and controller)
intake manifold
throttle body
throttle cable/bracket
cruise control cable
air intake tube from MAF to t/b
fuel rail/regulator
exhaust manifolds
alternator bracket
I had to extend the wiring for a few sensors, like the TPS, EGR, etc, pretty self explanatory what needs to be extended when you go to plug them in.
I also had to spend about an hour making the lower radiator hoses work out with the oil cooler and thermostat housing on that lower hose.
I used the MAF and injectors from the mark8, uses the clutch/flywheel/tranny/driveshaft/H-pipe/catback/tranny mount/etc etc etc from the GT.
It only rev'd to 6k with the stock GT computer, and it stumbles a bit when cold, but that's just the tune. With the out of the box default tune from SCT on my x-cal2 for a 4-valve `96-`98 mustang, it runs a lot better, and made 259.9rwhp on a dynojet with 13.0 A/F ratio across the board.
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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