1998 Mustang GT ideas

Monel Funkawitz

Diamond Member
Oct 12, 1999
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I'm thinking about getting a 98 'Stang. It has the 4.6L, 5 speed. Small penis syndrome. :D

I haven't had alot of experience with the 4.6L and boost. How well does it handle being supercharged, 6-8 PSI? Reliability? I'd love to throw a Roots supercharger on it with a 3" belt and a butterfly air scoop, but I think in Pennsylvania they don't allow stuff poking throught the hood. Me = Pissed. So I'm going to go with a Allen Supercharger kit, using a Eaton M90 blower. It uses all the stock stuff, which is cool, because I don't feel like dickin' around with injectors & fuel curves and burning EEPROMS.

The web sites say around 100RWHP increase, and 100k mile+ reliability. I'd still rather go with a good 6-71 Roots and a 3" belt for looks. This 'charger would make it into a good sleeper though. I'd be pushing more HP than the Cobra Stang. I plan on taking off the heads later and using the SVO heads to make even better flow and HP. Newer Stangs are pretty good about putting HP to the ground, so I don't think I'll have problems there. I am wondering how the 4.6 fairs in real life with boost, and how reliable it is with 6-8 PSI. I don't wanna rip the engine out of a newer Stang with this low of mileage on it because I tossed a rod or swallowed a valve. I don't run my engines hard, but I do like to blow out the carbon every now and then. ;)

I'm getting this, if my Truck sells. It is at $7,600 right now on E-gay, with 6 hrs left. I gotta get $13,500 minimum. If I do, I run and get the stang, beef her up, and make a true American Ricer/Vette/Camaro/Any other stock sports car eater.
 

GasX

Lifer
Feb 8, 2001
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If you really want to get a used mustang to modify, you should think about a fox body 5.0. It is the most tweakable mass produced engine ever made!!

Either way - make it a Mustang, dude! :D
 

Monel Funkawitz

Diamond Member
Oct 12, 1999
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I found a SWEET 1998 Stang at a hella good price, so hence the 98.

I wanna be different. Lets see how a 4.6 does.
 

Valhalla1

Diamond Member
Oct 13, 1999
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if you are getting a 98, get a Cobra... DOHC instead of SOHC in the GT. put a supercharger on it, 400 RWHP just like that..

corral.net, message boards, check 'em out

btw, u still wont be able to catch me
 

b0mbrman

Lifer
Jun 1, 2001
29,470
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<< If you really want to get a used mustang to modify, you should think about a fox body 5.0. It is the most tweakable mass produced engine ever made!!

Either way - make it a Mustang, dude! :D
>>


Why did Ford decide, just for that one generation, to veer away from the roundness that's treated the Mustang so well for its existence?
 

notfred

Lifer
Feb 12, 2001
38,241
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I know a few guys running 11psi on the 99+ 4.6s, their cars are all still running good.

6-8 PSI shouldn't be a problem at all on a 98.



I'd race that LS1. I might lose, but I'd give it a shot.
 

toph99

Diamond Member
Aug 25, 2000
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if i remember correctly, the 4.6L's have forged stock internals, so they handle boost quite well. I'd pick up some magazines like Muscle Mustangs & Fast Fords. they have a lot of info for stuff like this, or stop by stangnet forums and ask there :)
 

GasX

Lifer
Feb 8, 2001
29,033
6
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<< Why did Ford decide, just for that one generation, to veer away from the roundness that's treated the Mustang so well for its existence? >>

I do not know... I happen to like the coupes A LOT, but I never liked the hatchbacks of that era. Give me a Boss 302 any day.

My old baby... - God I miss her :(
 

GasX

Lifer
Feb 8, 2001
29,033
6
81


<< btw, u still wont be able to catch me >>

You are SO kidding. All you have to do is get up above 80mph and wait for all of your bolts to rattle loose and then it is game over... :p
 

Valhalla1

Diamond Member
Oct 13, 1999
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oh please, dont talk sh.it if you dont know what you are talking about... all aluminum LS1, everyone knows a chevy v8 lasts forever... come catch me at 160 mph then we'll talk
 

RedRooster

Diamond Member
Sep 14, 2000
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<< oh please, dont talk sh.it if you dont know what you are talking about... all aluminum LS1, everyone knows a chevy v8 lasts forever... come catch me at 160 mph then we'll talk >>



A stock LS1 would beat a blown 4.6? I dunno man, it could be interesting.
 

Monel Funkawitz

Diamond Member
Oct 12, 1999
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Um, Valhalla, a 'charged 4.6 pushing 350+hp in a body that weighs less than the Camaro will TROUNCE it. LS1's are nice, but a 98 LS1 pushes....

MAX POWER 266 Rear Wheels

APPROX HP at Flywheel 313

With my setup, I'll be pushing MORE than your flywheel horsepower at my rear wheels alone, plus I'll have alot more torque, and in total stealth. Unless you mod that LS1, you are going to see nothing but tail lights. :) An LT1 on the other hand, is a totally different turkey all together.

You can keep that 160 MPH. I'm a stoplight to stoplight bracket racer, and I don't to spend the rest of the day helping you look for parts that fall off, as Chevys are known for. :D Here goes the Chevy Vs. Ford debate.
 

fastz28

Golden Member
Mar 27, 2001
1,794
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<< Um, Valhalla, a 'charged 4.6 pushing 350+hp in a body that weighs less than the Camaro will TROUNCE it. LS1's are nice, but a 98 LS1 pushes....

MAX POWER 266 Rear Wheels

APPROX HP at Flywheel 313

With my setup, I'll be pushing MORE than your flywheel horsepower at my rear wheels alone, plus I'll have alot more torque, and in total stealth. Unless you mod that LS1, you are going to see nothing but tail lights. :) An LT1 on the other hand, is a totally different turkey all together.

You can keep that 160 MPH. I'm a stoplight to stoplight bracket racer, and I don't to spend the rest of the day helping you look for parts that fall off, as Chevys are known for. :D Here goes the Chevy Vs. Ford debate.
>>



Monel,

You got it backwards. In stock form LS1>LT1 RWHP. Most stock LS1 dynoed at least 300, most are in the 315 range.

<---- LT1, not stock. :D
 
Apr 5, 2000
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Monel - whatever you do at least get a 99+. Those 98 GT's are so weak and slow that a supercharger would barely get it to Cobra/z28 performance. You can't even break 15's with them bone stock. Yea you can get a good deal on them but that's because they suck. (And FYI - I like Mustangs - look at any other Mustang thread on AT from the past 2 years) And yes, they handle boost well in stock form.

Valhalla - nice car! Didn't know you got a SS, thought you were still driving the 'Bird.
 

fastz28

Golden Member
Mar 27, 2001
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<< no dickhead... the LT1 is the horsepower monger, not the LS1. Just like the Vette. YOU got it backwards. :) >>



Fine asswipe, believe what you want. When you talk to people about that BS about LS1 vs. LT1, they are laughing at you, not with you. :)
 

Valhalla1

Diamond Member
Oct 13, 1999
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<< With my setup, I'll be pushing MORE than your flywheel horsepower at my rear wheels alone, plus I'll have alot more torque, and in total stealth. Unless you mod that LS1, you are going to see nothing but tail lights. An LT1 on the other hand, is a totally different turkey all together >>




1st of all, the LS1 is the superior engine over the older LT1, but I see you know that now.. and the SS isn't stock, it has a flowmaster 80 series catback, aftermarket clear intake lid, ported+polished mass airflow, free ram air mod, TB bypass mod, 160 thermostat, and a few other little things..
 

RedRooster

Diamond Member
Sep 14, 2000
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<<

<< With my setup, I'll be pushing MORE than your flywheel horsepower at my rear wheels alone, plus I'll have alot more torque, and in total stealth. Unless you mod that LS1, you are going to see nothing but tail lights. An LT1 on the other hand, is a totally different turkey all together >>




1st of all, the LS1 is the superior engine over the older LT1, but I see you know that now.. and the SS isn't stock, it has a flowmaster 80 series catback, aftermarket clear intake lid, ported+polished mass airflow, free ram air mod, TB bypass mod, 160 thermostat, and a few other little things..
>>



Whoa, hot car!
Any GT is gonna need over $5K into it, to compete with that! What's an LS1 SS or Firehawk(?) cost loaded w/6-speed? I've always thought those GMs are the best bang for the buck in the sports car market, I know I'd sure love one.
 

Mill

Lifer
Oct 10, 1999
28,558
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All a mustang would need is a 150 shot to keep up with a LS1. I don't talk smack though. LS1's are quick. My friends bone stock went 12.81 on nitto drags, wait he did have a cutout. My buddies 98GT with 2000 GT engine went 12.08 with a 150 shot.

Monel if you do get the 98 GT do NOT get the SVO heads. They are not worth the money at all. Get the PI heads that come on the 99 and up. Damn good heads. They flow very close to a SVO. If you get the SVO heads you have to buy the intake. I waste of money IMHO because you could do the headswap and the Bullit intake for around 2 grand. The SVO is gonna run around 3 grand and I don't care for their oval shapes.Thing is you have different pistons than the 99+. When you put in the PI heads your compression rate is increased because of the pistons. So... it kinda of sucks to run boost with a higher compression. If you are running boost it might be a good idea to plop down 600-700 bucks for some JE or Manley pistons. It will save you moola in the future. Or you can have the current pistons milled.

Valhalla1- I don't need a 4V to keep up with you. Hell I don't need an aluminium block. I wanted to see how far I could take a 2v before I start going into DOHCS. Looks like this one will comparable power to a DOHC. Iron block and 2V power here baby. Hey why don't you get a 2003 f-body... oh wait you can't they discontinued them and the Cobra takes on the vette with 390 hp and 390 ft lbs of torque. I can't wait for the 2005 camaro. Aluminium block 2.3 liter that revs to 12,000 rpm and with 145 hp and 62 ft lbs of torque. Frontwheel drive to boot. LMAO
 

Valhalla1

Diamond Member
Oct 13, 1999
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what? where did you get that bogus info about the 5th gen fbody? GM insiders have already said they are not going to bring back the Camaro/Firebird in FWD or not offer a big powerful V8... it will come back, as a V8 RWD beast, believe me.



<< What's an LS1 SS or Firehawk(?) cost loaded w/6-speed? I've always thought those GMs are the best bang for the buck in the sports car market, I know I'd sure love one >>



an LS1 SS, fully loaded (leather, t-tops, traction control, power, monsoon etc) can be had for $15-$18k for a 98, no more than $20 for a 01... the Firehawk however is a very limited production and more of a collectors item, they will run you a bit more. Maybe you are thinking of a WS6 Trans Am? thats the pontiac equivalent for the SS. they are about the same price as an SS of the same year, maybe a little more since Trans Am's come from the factory with all the options (can't get a trans am without leather or t-tops)
 

Mill

Lifer
Oct 10, 1999
28,558
3
81
The 2005 comment was a joke that you took seriously. I have heard it will be a v6 FWD though. Any info on what it will be?