95 SSEI - all series 1? what boost stock? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 10-07-2002, 05:04 PM   #1
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Default 95 SSEI - all series 1? what boost stock?

Are all 95 SSEIs the 3800 series 1 with the supercharger?

Is it the same supercharger as previous years?

What is the stock boost level?

How is the boost controlled?

How much boost can be added without other modifications?

Thanks for any information. I have a chance to buy a 95 SSEI, and the supercharger definitely looks different from the 94 SSEI I looked at yesterday. I can't seem to come across the information I'm looking for and was hoping you guys could help.

I'm very familiar with turbo charging applications (I have 5 turbo dodges, boost levels up to 25psi...) but have never toyed with a supercharger before.

Thanks,

Dan
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Old 10-07-2002, 06:08 PM   #2
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From what I know 95 was the transitions stage into the Series II engine which had 205hp stock over the previous Series I which had 170hp. If I'm correct, your 95 SSEi with the supercharger is pushing 225hp stock. The 94 SSEi'* had 205hp.
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Old 10-07-2002, 06:23 PM   #3
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Allmachtige is right, '95 was a transition year. Yours has 225hp. In '96 they had 240hp and in '93 they had something around 205hp.

The SC engine in '95 was the series 1 and the NA engine was the series 2.

Boost. Not sure what the official rating is but I get up to somewhere around 7-8 psi according to my gauge. I think the M62 was used from '92 - '95. Not sure what was used before then.

Not sure of your knowledge on superchargers vs turbos so forgive me if I go too simplistic. The supercharger is run off the main belt. If the pressure reaches too high of a point there is a relief valve that opens and dumps the air out instead of blowing up the unit. The guts are two rotating gears that trap the air between them as oppesed to the turbo which I think uses a centrifugal fan type setup. This is a general supercharger statement I am unsure about our model specifically.

If you are going to add a smaller pulley I would defenitly do the following first ( not in any perticular order):

1) Cold air intake
2) High flow exhaust
3) 180 therostat (195 is stock)
4) Transmision cooler

and possibly:
1) Better plugs (NGK)
2) Better wires (Taylor or MSD)

Just get it breathing really well before you add a smaller pulley otherwise it won't be fully utilized.

One more side note. The '95 SSEi was (from what I've heard) the lightest year for this car of that body style ('92 - '99), wieghing in somewhere around 3500lbs.

Hope some of this helps.
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Old 10-07-2002, 07:10 PM   #4
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Quote:
Originally Posted by SSEi95
Allmachtige is right, '95 was a transition year. Yours has 225hp. In '96 they had 240hp and in '93 they had something around 205hp.

The SC engine in '95 was the series 1 and the NA engine was the series 2.

Boost. Not sure what the official rating is but I get up to somewhere around 7-8 psi according to my gauge. I think the M62 was used from '92 - '95. Not sure what was used before then.

Not sure of your knowledge on superchargers vs turbos so forgive me if I go too simplistic. The supercharger is run off the main belt. If the pressure reaches too high of a point there is a relief valve that opens and dumps the air out instead of blowing up the unit. The guts are two rotating gears that trap the air between them as oppesed to the turbo which I think uses a centrifugal fan type setup. This is a general supercharger statement I am unsure about our model specifically.

If you are going to add a smaller pulley I would defenitly do the following first ( not in any perticular order):

1) Cold air intake
2) High flow exhaust
3) 180 therostat (195 is stock)
4) Transmision cooler

and possibly:
1) Better plugs (NGK)
2) Better wires (Taylor or MSD)

Just get it breathing really well before you add a smaller pulley otherwise it won't be fully utilized.

One more side note. The '95 SSEi was (from what I've heard) the lightest year for this car of that body style ('92 - '99), wieghing in somewhere around 3500lbs.

Hope some of this helps.
SSEi95 is right on the money. I see the same boost levels, but with water injection, I peg the gauge into the hashmarks....with a modified intake, mind you. 92-95 did use the M62, but the cover might be different....95, is mine different than yours? 1994 and 1995 SC SeriesI are rated at 225 hp. No slouches, as SSEi95 and I will tell you. It'* a rare car that can take our sleepers, and we've spent very little money boosting performance. Welcome to the Forum!

BTW, each pound of boost gained is supposed to translate to 10hp at the drive wheels.
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Old 10-07-2002, 11:03 PM   #5
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Boost is controlled by the Boost solinoid (Waste Gate) & the size of the SC Pulley.
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Old 10-07-2002, 11:47 PM   #6
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I got the same engine as you Willwren, or at least the same blower and coverings.

Just a side note, my roomate has a '97 Grand Marquis with the same v8 they put in the mustang GT'* and I can take him stock for stock, I know, we've tried.
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Old 10-08-2002, 12:02 AM   #7
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Grand Marquis got 190 HP. My buddy has a 95. He takes my 92 SSE off the start but i come back steadly. Only thing is they got Torque up the ***.
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Old 10-08-2002, 12:28 AM   #8
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The 8-banger GT'* are easy, even slightly modded. I haven't lost to one yet. Those guys are almost as bad as ricers around here. Stickers add hp, right

I'm not surprised about the SSE. The SeriesII gets 'em off the line without a SC.
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Old 10-30-2002, 11:35 PM   #9
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Default Boost Guage Functionality???

I have a 95 SSEi and I would like some advice on the operation of the boost guage. At idle is is at -10 and when driving It is always on the negative side of the guage unless i get on it and it then goes into the positive side until I let off. Is this normal? It seems to me that it should be showing positive boost whenever I am accelerating and negative boost or vacuum when not???? Any insight is appreciated!!!
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Old 10-30-2002, 11:42 PM   #10
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That'* normal. You'll also find that in colder weather, if you have a modded intake, the gauge will read a little higher than -10 at idle. Higher air density entering the plenum.

The M62 is rated for 10psi of boost. During hot weather, with a stock intake the most you'll see is 7.5 to 8psi. A smaller pulley, modded intake, colder weather, water injection...all these things add boost. For each pound of boost you gain, you gain about 10hp. Considering the pulley OR water injection raises the boost by 2psi, it'* a pretty good deal. Watch out for too high of a boost level though. Your intake gaskets and seals may not handle it. Your SC will also run hotter due to the extra work involved, or revving higher with a smaller pulley. The only boost mod that doesn't cause heat problems actually relieves it. Water injection. Raises air density and cools the intake by as much as 60. Expensive systems, though. To gain more boost effieciently and safely, change to the 180 thermostat, and add the tranny cooler. Preventive insurance.....THEN work on boost. Increase boost too much, without opening exhaust, you gain only a fraction of what you could. All these mods are inter-related.
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