whats the difference between 1999 Mustang gt motor and the 1997 Mustang gt motor?
ive supposedly got a 99 motor swap in my 97 gt and was wondering what all the differences are. also was wondering how to prove the change (i.e. casting or serial number difference or something)
__________________
1997 GT Coupe. CAI and Flow 40' Duals w/ o/r x pipe, Spec Stage 1 Clutch, Spec Aluminum flyhwheel. SCT 93 Performance Tune, hurst short shifter. New AutoX Suspension on the way!! ......"other mods may not be known"
"You can put it off, but it's a matter of time till it fails and leaves you with the rubber-sole express......"
As far as I know the 99 motor has the better "pi heads " and the 96-98 motors don't . So instead of having 220bhp you should have 260bhp if it's stock. Hope I helped.
Yup, 99 and up have the PI setup, which entails different heads cams and intake and a different compression ratio. The block casting may be different, but I think the only real difference there is the bolt pattern for the valve covers.
__________________
That hunk of junk? Yeah, well I've made a few special modifications to that yellow 99 Gt, it makes the Kessel run in 12 parsecs and eats turbo japs and poops chevy's
the bolt pattern or oil fill cap also differentiated from the Romeo (mexico) plant to the Windsor (canada) plant... and im not sure but does anyone know when the 4.6's recieved the coil over plug design??
__________________
"Its not about what you can BUY, its about what you can build" anyone can buy a really cool car, but u dont ever get the satisfaction from it as you would building it yourself 1994 Mustang GT 5.0/T5 Sold 1998 Mustang GT 4.6/T45 *soon 5.4 S/C* Flows cat-back, CAI, Ford Racing 3.73 gears, Torsen Diff, short throw shifter
i think the coil on plug system was new for the 99-04s as well.
__________________
Procharged 2002 Mustang GT 5 Speed 351rwhp 353rwtq at 10psi
Next summer looking to go with:
Bilstien shocks + struts, Lowering springs (brand still TBD (any suggestions?)), MM CC plates, front + rear sway bars, subframes, and upper and lower control arms.
Time to make the pony ride some rails
and about the head cover pattern, what is the difference so I may look at mine and know. thanks
__________________
1997 GT Coupe. CAI and Flow 40' Duals w/ o/r x pipe, Spec Stage 1 Clutch, Spec Aluminum flyhwheel. SCT 93 Performance Tune, hurst short shifter. New AutoX Suspension on the way!! ......"other mods may not be known"
"You can put it off, but it's a matter of time till it fails and leaves you with the rubber-sole express......"
the coil on plug system literally means that there is an individual coil over each plug. there are no spark plug wires. with the older models there are two coils with 4 spark plug wires coming off of each coil that then go to individual plugs.
__________________
Procharged 2002 Mustang GT 5 Speed 351rwhp 353rwtq at 10psi
Next summer looking to go with:
Bilstien shocks + struts, Lowering springs (brand still TBD (any suggestions?)), MM CC plates, front + rear sway bars, subframes, and upper and lower control arms.
Time to make the pony ride some rails
ok. so im kinda pissed. i now know that my motor is an older one. but it doesnt run like it has the same 146k the body has on it. i might as well figure im starting out with a stock car. minus the 4 series duals and o/r x pipe and full cai. im a little upset now. still glad i go it cause its loud and fun to drive, but i wish it wasnt a 215hp base. that pisses me off. willl a stock 97 gt motor run low 14.s with 3.08 gears and on dr's?
__________________
1997 GT Coupe. CAI and Flow 40' Duals w/ o/r x pipe, Spec Stage 1 Clutch, Spec Aluminum flyhwheel. SCT 93 Performance Tune, hurst short shifter. New AutoX Suspension on the way!! ......"other mods may not be known"
"You can put it off, but it's a matter of time till it fails and leaves you with the rubber-sole express......"
i wouldent put money on it. your car also has a return style fuel system which they switched in 99 to returnless i believe
__________________
2001 Mustang GT.Tropic Green ( SU ftw ), AM Cold Air Intake. Pypes Off road X pipe. NGK platinum Spark Plugs. Steeda Tri-ax Shifter. Sniper Dyno tune. 4.10 FD ratio
i wouldent put money on it. your car also has a return style fuel system which they switched in 99 to returnless i believe
well i saw the slip for the 14.14 he ran at the track. would that indicate there is more done to the motor? it does sound like there is a cam in it. but of course not sure
__________________
1997 GT Coupe. CAI and Flow 40' Duals w/ o/r x pipe, Spec Stage 1 Clutch, Spec Aluminum flyhwheel. SCT 93 Performance Tune, hurst short shifter. New AutoX Suspension on the way!! ......"other mods may not be known"
"You can put it off, but it's a matter of time till it fails and leaves you with the rubber-sole express......"
no 14.14 is a good stock run a really good stock run but it can b done at sea level and a good driver
and the 99 up doesn't have a distributor that's the first noticeable diff..
dude, dick, go ahead and put some 4.10s or 3.73s 4.10s if ur staying naturally aspirated, if u have an auto, and if u dont drive it down the highway each day as a DD.... and with those tires u will see what that motor TRULY has in it... trust me u WONT be disappointed just make sure u get the speedo recalibration gear from steeda for like 10 bucks
__________________
"Its not about what you can BUY, its about what you can build" anyone can buy a really cool car, but u dont ever get the satisfaction from it as you would building it yourself 1994 Mustang GT 5.0/T5 Sold 1998 Mustang GT 4.6/T45 *soon 5.4 S/C* Flows cat-back, CAI, Ford Racing 3.73 gears, Torsen Diff, short throw shifter
get us a picture of the engine and we can let you know if it is an earlier 4.6, a PIed 4.6, or a 99-04 4.6
__________________
Procharged 2002 Mustang GT 5 Speed 351rwhp 353rwtq at 10psi
Next summer looking to go with:
Bilstien shocks + struts, Lowering springs (brand still TBD (any suggestions?)), MM CC plates, front + rear sway bars, subframes, and upper and lower control arms.
Time to make the pony ride some rails
even if u have a 99 motor in a 97 u can't tell by the coils over each plug because u still use the coil packs and wires unless u decide to switch the computer in the car u probaly have the 99 motor but it is hard to see.
and just so you know what she looks like. this is my b**ch, or rather my master right now haha
__________________
1997 GT Coupe. CAI and Flow 40' Duals w/ o/r x pipe, Spec Stage 1 Clutch, Spec Aluminum flyhwheel. SCT 93 Performance Tune, hurst short shifter. New AutoX Suspension on the way!! ......"other mods may not be known"
"You can put it off, but it's a matter of time till it fails and leaves you with the rubber-sole express......"
whats the difference between 1999 Mustang gt motor and the 1997 Mustang gt motor? 
