98 gt vs 99+ gt

happydood2

Member
Apr 4, 2004
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i have the following mods on my 98 mustang gt 5 speed

4.10 gears
pullies
2 1/2'' exhaust offroad x pipe no cats
flowmasters 40 series
2 ram airs hood/under car
k&n air filter
Trickflow upper intake
70mm throttle body
centerforce clutch
steeda short throw shifter
adjustable clutch cable

do you think that i could be a bone stock 99+ gt and what do you think i could run in the quarter mile??
 
the 4.10s are the best mod if you can get the traction. everything else being equal, driver and tires, the 99 will probably beat you. probably still 2-5 tenths slower. driver will determine. The 99 still has at least a 20 hp advantage , probably more. What is your 1/8 mile time? :rolleyes:
 
forpit2000gt said:
the 4.10s are the best mod if you can get the traction. everything else being equal, driver and tires, the 99 will probably beat you. probably still 2-5 tenths slower. driver will determine. The 99 still has at least a 20 hp advantage , probably more. What is your 1/8 mile time? :rolleyes:

Sorry, I must agree with forpit2kgt. Would be a close race, but the edge goes to the 99 because of the approx. 20hp advantage.
 
I'm not sure if this is a stupid question, but how does the 99+ still have a 20hp advangtage over the 98 after he put all those mods into it? Don't 98 GT's have 240hp stock or am I wrong?
 
'96-'97 GTs have 215 hp.
'98's have 225 hp.

Stock for stock a '99+ GT will have about a 45 - 50 rwhp horsepower advantage over a '96-'98, with your mods I'd say you have about 200-205 rwhp, 20 - 25 rwhp less than a '99+. I think your 4.10s will offset that in a drag drace meaning it's a driver's race as long as the '99+ is basically stock.
 
Those 4.10s should make it just about even. The biggest thing is how would each car hook up, it might come down to rubber (I'm asuming that your suspension and weight profile are stock since you didn't list those). If your suspension and weight profile are not stock you would gain even more of an advantage. Springs and shocks/struts have been shown to take between .1 and .2 off of your 1/4 time just because they can keep all of the weight in the right places which gives you better hook-up than the stock stuff.
 
I wanna play with some 99's. Mac H-pipe, Flowmaster Catback, FRPP pullies, 3.73's, M/T ET streets, mac upper and lower control arms, eibach's, FRPP alum. d/s, centerforce dual friction clutch, steeda t/a, rear seat delete kit, Mac CAI, Pro 5.0 shifter, nothing in the trunk. I haven't found any around here to come n play.
 
Although you have 4.10's the power still isn't there to get any real advantage from them.

Whats really sad is that I had a tangle with a Supercharged 96 GT and I still beat him. So I guided him here and a couple other places for info on head swaps.