98' gt upgrade help - Mustang Evolution

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Old 10-27-2013, 09:58 AM   #1
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98' gt upgrade help

Hello i just picked up 98' gt with pullys replaced, intake and full slp exhaust. I am looking for ways to make this car faster. i'm new to performance upgrades on automobiles as my main focus has been the sportbike world. i have approximately 6 grand budgeted for upgrades but not sure what parts give the most gain. i want to make this everyday driver a nasty street machine. Any advice would be helpful. Thanks in advance.
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Old 10-27-2013, 10:21 AM   #2
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Hello i just picked up 98' gt with pullys replaced, intake and full slp exhaust. I am looking for ways to make this car faster. i'm new to performance upgrades on automobiles as my main focus has been the sportbike world. i have approximately 6 grand budgeted for upgrades but not sure what parts give the most gain. i want to make this everyday driver a nasty street machine. Any advice would be helpful. Thanks in advance.
Tune/ Gears / Cams..Or invest in a supercharger/turbo for that money.
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Old 10-27-2013, 10:24 AM   #3
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First PI swap.......cams while you are in there? Boost.
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Old 10-27-2013, 10:29 AM   #4
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Correct shpercharger or on3 turbo kit. With full suspension. And built rear. Done do a pi swap if your going to boost it cause you can't run as much boost because the pi swap raises compression
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Old 10-27-2013, 10:48 AM   #5
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Quote:
Originally Posted by Rife View Post
Hello i just picked up 98' gt with pullys replaced, intake and full slp exhaust. I am looking for ways to make this car faster. i'm new to performance upgrades on automobiles as my main focus has been the sportbike world. i have approximately 6 grand budgeted for upgrades but not sure what parts give the most gain. i want to make this everyday driver a nasty street machine. Any advice would be helpful. Thanks in advance.
A lot of guys do the PI heads swap from 99-04 gts onto their 96-98. The PI (performance improved) heads were put on 99-04 GTs to raise the horsepower and ow a lot better than non PI heads from 96-98. If you do the swap you might be puttin out a little more power than a 99-04 because of higher compression in your motor. The heads are relatively cheap and give you a nice 40-50hp gain.
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Old 10-27-2013, 10:52 AM   #6
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Quote:
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Hello i just picked up 98' gt with pullys replaced, intake and full slp exhaust. I am looking for ways to make this car faster. i'm new to performance upgrades on automobiles as my main focus has been the sportbike world. i have approximately 6 grand budgeted for upgrades but not sure what parts give the most gain. i want to make this everyday driver a nasty street machine. Any advice would be helpful. Thanks in advance.
I'm in the same boat. I have owned my current 96 GT for a couple years now and I'm looking to up the performance or get something else entirely (a mustang of course). I have seen a few sn95s from 96-98 in my local car cruises pretty beefed up this past summer. They can be a nasty street machine as you said with some upgrades. Sounds like you have a healthy budget going for sure. The common theme from the ones in my area typically have the following mods, in no specific order: cams, headers, larger throttle body, CAI, 3:73 gears (sc'd ones), sub frame connectors, heavy duty shocks/struts/lowering springs/CC plates, O/R exhaust, vortech/pro charger set up, professional dyno tune, etc. Most with this type of mod list (mildly built pushing 8-10 psi boost) seem to be in the 400-425 rwhp area. 6k and doing quite a bit of the work yourself should get you there I would think. We have a couple shops around Detroit here that will get you to that level, drop your car off, give them 10k, and come back in a month and take it to the track, lol. But much more satisfying doing it yourself of course!!
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Old 10-27-2013, 05:56 PM   #7
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Thanks for the info folks, gotta lot to research from here. I am not equipped to do head swap myself but will be trying to find a good performance shop near Pittsburgh Pa as it is unlikely this car will be driven through winter here!

---------- Post added at 06:56 PM ---------- Previous post was at 06:52 PM ----------

Thanks for the info I have to research and find a local performance shop in Pittsburgh, it seems the head swap would be good coupled with a supercharger.....any better performance from Whipple or Vortec????
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Old 10-28-2013, 10:43 PM   #8
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If it were up to me before anything were to happen, build the motor. Di a pi swap along with forged internals i.e. rods and piston. Crank is good for 600hp. Also if going fi cams due a nice number however keep in mind the compression bump we get from the swap its about 10.54:1 compression. I did the swap well worth it. Also throttle body and plenum help. Gears would be a requirement not just fi but n/a as well since its not a hp adder its a deff upgrade.
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Old 10-29-2013, 02:01 PM   #9
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All depends on what your goals are. What do you mean by a "nasty" street machine? There is a LOT you can do for $6k but it runs out faster than you think, nickel and dime stuff gets you, stuff breaks etc...

You're not going to build a ZR1 killer for $6k but you can build a respectable 300-400whp street car that you'll have a lot of fun in.
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Old 10-29-2013, 10:07 PM   #10
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Quote:
Originally Posted by Rife View Post
Hello i just picked up 98' gt with pullys replaced, intake and full slp exhaust. I am looking for ways to make this car faster. i'm new to performance upgrades on automobiles as my main focus has been the sportbike world. i have approximately 6 grand budgeted for upgrades but not sure what parts give the most gain. i want to make this everyday driver a nasty street machine. Any advice would be helpful. Thanks in advance.
Put a 347 stroker/built rear end/ 150 shot/ built c6 and stall In there and call it a day
And call it a day
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Old 10-30-2013, 10:26 AM   #11
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On a 98 GT? Buy a 94/95 if you want a pushrod stroker SN95 and don't waste your money on a 302 based build.
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Old 11-09-2013, 01:31 PM   #12
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Gonna go with vortech supercharger kit and let it be for a while, still want to do some suspension/braking upgrades next. Thanks for the input, I appreciate it!
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