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Discussion Starter · #1 ·
First off I have a 98 TransAm with a Ls1 and it has some mods and runs in the 12's.I've owned acouple of Ta's and had good luck with 2 of mine running bottom 11's on motor,high 9's on spray.Now I've owned a couple of Mustangs in the past,but nothing supercharged.A guy with a 97 Mustang gt wants to trade.It has a Procharger (i believe the ds1c im not 100% sure) with the intercooler(not sure what stage intercooler)says it has the 12lb pulley.Car has 102k and the charger was recentally installed.They hand tuned it with a SCT handheld programmer.The internals are all stock.Car has built auto with a 3500 stall,shorty headers,xpipe,slp loud mouth exhaust,30lb injectors,373 gear and some visual mods.I'v done some research on this sight on the Procharger and alot of people here have some good info on it.My question is what kind of rwhp will the car make and will the internals hold up with 12lbs of boost on a stock motor.I like the way the car looks but don't want to go slower than my ta.Any input will be appreciated greatly.
 

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The ProCharger comes standard with the intercooler, and offers a stouter intercooler (3 row I believe) that is recommended, especially when gearing to over 9 pounds of boost.

You can't do a complete custom tune with just a handheld tuner (you need some way to monitor wideband O2). I would recommend a trip to a good dyno tech pronto.

102k miles is a little long in the tooth for an ambitious new blower install, but if the tune is sane and spot on, it will be OK. If the intention is to turn up the volume to over 400 rwhp (which is potentially where you are with over 12 pounds of boost, assuming the fuel system is what it should be to feed the beast)...

I'd recommend an overhaul with forged internals, and some thought given to things like the rear suspension (LCAs in particular). Keeping a sane street tune in there would probably drop a few horses, but keep it from destroying things.

Much more power than that and you start having problems, including valve float as well as endangering the stock rods. These are actually pretty tough SMALL engines (keep this in mind when comparing to your much larger GM cars), but around 400-425 rwhp the stock parts start to show their limits.
 

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this is my opinion and opinion ONLY....
the choice is completely up to par with you and you alone... u have to decide if a mustang is the car for you... now as i appreciate personally the fact that u are staying american muscle is awesome but if ur a GM car kinda guy, u need to keep in mind, a ford motor CAN produce high amounts of horsepower but they were truly built to produce decent horsepower and monsterous amounts of torque...now as years go on, Ford does a better job of building high horsepower cars but they are still built for torque and Ford guys like us, love that part of it... as for my opinion i would throw the GM in the garbage and enjoy a Ford like the rest of us lol but we all like Ford products and once u trade, u CANT trade back unless u write up a contract to say u will trade back no questions asked... i personally love the blue oval and will NEVER drive anything else but i DO give credit to GM for building a smoother ride with more horse, but i think u feel ten times better driving a Ford cuz u get the sensation of power much better thru ur feet due to the awesome torque monsters they are:bigthumbsup
 

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Discussion Starter · #4 ·
The ProCharger comes standard with the intercooler, and offers a stouter intercooler (3 row I believe) that is recommended, especially when gearing to over 9 pounds of boost.

You can't do a complete custom tune with just a handheld tuner (you need some way to monitor wideband O2). I would recommend a trip to a good dyno tech pronto.

102k miles is a little long in the tooth for an ambitious new blower install, but if the tune is sane and spot on, it will be OK. If the intention is to turn up the volume to over 400 rwhp (which is potentially where you are with over 12 pounds of boost, assuming the fuel system is what it should be to feed the beast)...

I'd recommend an overhaul with forged internals, and some thought given to things like the rear suspension (LCAs in particular). Keeping a sane street tune in there would probably drop a few horses, but keep it from destroying things.

Much more power than that and you start having problems, including valve float as well as endangering the stock rods. These are actually pretty tough SMALL engines (keep this in mind when comparing to your much larger GM cars), but around 400-425 rwhp the stock parts start to show their limits.
Ok.Thanks for the great info I really apreciate it.
 

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Discussion Starter · #5 ·
I was wrong on the charger being a d1sc its the p1sc so I'm not sure how much that matters.I've heard from others with the 12lb pulley on it that the motor is on borrowed time.Its a hard choice to make where I really like the Mustang,but I like my car also.Wish I could just have both.
 

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Honestly, I'm a Ford guy and always have been..been around mustangs a little bit now, and hate chevrolet's, but, with 102k miles thats a little bit rough, especially if they just put the procharger on it..Honestly, i'd save up some money, and tr ade the car into a dealer or something of that sort, and start with a more of a fresh motor and car, something you can mod yourself and then procharge..it'll be a lot better when you know whats all done to it and how the car runs. like i said, you may be getting in over your head with 102k miles.

Also up to 99 I believe it was, they didnt have PI heads on the 4.6 until the 99-04 models came out.
 

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Yeah, the 97 has non-PI heads and intake unless he did the swap. Everything above is spot-on. I agree that at 102k with 12lbs, you're asking for trouble, its likely a matter of time before the stock bottom end gives out. If you do a forged bottom end rebuild and go to PI heads, you'll have a pretty nasty beast that will last, but that's also a not insignificant investment. I love Mustangs, but this is a tough call, I think you will love the car, but it may give you problems too.
Ask the guy to go run you at PBIR, you'll get a good idea of how the car performs, and a much better idea if its what you want vs what you have.
 

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Running that vintage engine with a PI upgrade raises the compression, which is NOT what you want when adding a lot of boost.
 
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