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1994-1998 Saleen Mustang For the SN-95 platform. Be sure to specify year, model and equipment if asking for help. |
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#1
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Q: Can someone please take me to Saleen school?
I just purchased a 1997 S281 Supercharged. VIN # 1FALP45X3VF205120
I know it's a real Saleen but I don't know if it came supercharged from the factory. It sure looks like it, but there's nothing in the registry that I looked through online or anything in the VIN# to indicate it's supercharged. Also, the power these stock SOHC cars have are 220/285, but about the supercharged numbers? How much boost does this SC produce? What's the name of it? Also, what are the mods that are preferred to get these cars to right around 400rwhp which is the limit on the block? PI heads? Will they work with the supercharger? Smaller pulley? Previous owner did 42lb injectors and may have upgraded to the 255 lph fuel pump. It currently has Bassani mid-length headers, with a catted x-pipe and catback. He also had a T-56 transmission installed. I would greatly appreciate any insight so I can get an idea what I can and can't do on this car. I don't plan to go all out on modding it, but I would like to get the most I can out of it and just enjoy it. Hopefully the pictures I attached work. |
#2
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Congratulations on your purchase and welcome to the forums!
97-0247 TORSEN, 3.55 gears, Spyder, Chrome Wheels, Black Top You have one of the last 1997 S281s shipped for the model year. Also, 97-0248 is an exact twin to your car. You S281 appears to have a Saleen Series I supercharger. This system was announced as a 1998 S281 option in Saleen dealer material, but this option was ultimately not offered. The Series I made its debut late in 1998 for the SA-15 model. With a stock 1997 4.6, your power numbers will be similar to the 1998 SA-15: 320hp/390ft.lb. If you have a PI-4.6 engine swap, then your power numbers will be similar to a 1999-2000 S281 Supercharged: 350hp/410ft.lb. The column mounted boost gauge is aftermarket. Contact Saleen for build specifications of you vehicle. |
#3
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Thank you Dave, really good information. The gentlemen I bought this car from has the twin with only 26 miles on it! Crazy.
So as far as modifying this car to get a little more power. The engine only has 32k miles so I don't want to do an entire PI engine swap. Will a PI head swap work with this supercharger? What's the maintenance like on this Series I supercharger/intercooler? Any 'tricks' that I need to do to avoid overheating and/or gain a little more power as it sits? |
#4
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Also, I keep coming up on Chicane Sports Tuning but I see it is now closed. Who else is preferred for aftermarket parts for these cars?
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#5
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Beautiful ride. What type of aftermarket modifications are you looking for?
__________________
1996 #222 1 of 21 in Moonlight Blue 1 of 8 with exact options 3:55's F-Leather 2 Point Chassis Brace 2000 #944 Performance Red 3:08's Chrome wheels, Supercharged, Floormats. 2002 #48 Mineral Gray Extreme |
#6
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Ask the previous owner if have bought a Series I kit for a non-PI 4.6 (1996-1998) or for a PI 4.6. I am under the impression intake manifolds are different between the two.
Quote:
http://soec.org/literature/manuals/ |
#7
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Thank you Dave for the manual link. The previous owner doesn't know if it's a PI or NPI motor since the cars were ordered by his grandfather whom has passed. I see nothing on the paperwork claiming this is a PI headed car.
Quote:
For now, my mod list is below: Dyno tune 66mm s/c pulley or 10% bigger crank pulley - previous owner says the car is only running 6 PSI, so I'd like to get to the 9-10 that these things can turn. S/C to lower manifold cooling plate - was told this helps cool the sc down a lot faster and better. Supposedly gets anywhere between 15-25 rwhp. I'm not sure how true this is about the power gains, but if it at least gets it to run cooler, I see nothing wrong with that. Possibly a heat exchanger, not sure how good/bad the stock one is. Any input? Was recommended the LFP. Debating the PI head and cam swap and porting the s/c. Ultimate goal would be to get to 380-390 rwhp. I'd really like to avoid doing the PI head install, but I'm not sure I'd get to my goal without them. |
#8
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Can you ask the grandson who did the supercharger install and when?
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#9
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I believe saleen made 2 series 1 style superchargers. One was for PI heads the other was for non pi heads.
The cooling plate you are talking about is suppose to prevent the heat from going around the intercooler. In the saleen superchargers there was gaps around the intercooler causing heat to not be cooled properly and the car run hotter. 21st century performance makes a braided intercooler line kit and also a intercooler that lower Temps which in result increases power. A lot of people have had great results installing them. I've heard good things about LFP and afco. Is your exhaust stock? Maybe a high flow midpipe could increases airflow and compliment the borlas.
__________________
1996 #222 1 of 21 in Moonlight Blue 1 of 8 with exact options 3:55's F-Leather 2 Point Chassis Brace 2000 #944 Performance Red 3:08's Chrome wheels, Supercharged, Floormats. 2002 #48 Mineral Gray Extreme |
#10
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Quote:
His grandfather ordered it from the factory this way. He said he got both of them s/c from the start. |
#11
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Can we talk in the near future? We can trade phone numbers through private message.
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#12
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Quote:
I guess I'm going to have to reach out to Saleen to confirm the 2 different s/c designs. If they did make NPI and PI design, the PI head swap is out of the question. |
#13
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PM has been sent.
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#14
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Found this on a Crown Vic site. It may be helpful in determining PI or Not. This image is of the cyl head exhaust port on the right hand end as you face it. PI will be embossed below the part number. You should be able to see it with a light and mirror. Look at the front end of the right cyl. head just above the exhaust manifold.
Last edited by dhavi4226; 01-22-2015 at 08:50 AM. |
#15
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Thanks dhavi. I will look this afternoon. I have found out that the plugs in my car are the TR6 4177, which indicates 03+ PI heads. Am I correct on that assumption?
This number on the head would serve as confirmation. Quote:
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#16
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Quote:
I believe the PI engines were used in Vics and Mercs some time before the Mustang. By the way, nice car! Doug 97-0156 S281 |
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