I bought the press on 3.4" Pulley from GrandPrixstore.com
Make sure you also invest in the puller tool.
I was surprised at how tight it was and would never attempt it without the proper tools.
When it finally broke free, it cracked like a broken bolt!

Too many short trips to notice any difference in mileage. I have always averaged 14 - 17 Liters per 100 Kilometers (14 mpg) in this mountainous terrain where the traffic flows at an even 60 kph. I'm a baloney smoker.
The best I've ever got on the Vancouver Island highway doing a steady 130 kph, is 8 L/100.
I'm more interested in performance than fuel economy. I still only have to fill up once every two weeks.

Did the old pulley crack when it was coming off...like not usuable anymore? If so I would guess putting the old one back on would probably not happen?

Did you get the puller from the GrandPrixstore too?

How sweet to get two weeks from a tank of gas!...I can understand about you not being too concerned about the mileage.

No. The original pulley is perfectly fine. That'* just the noise it makes when the press fit breaks free.
Yes I did get the tool at the GrandPrix store. Like I said, if you don't use the tool, you will distort the pulley trying to get it off. It is tight !!!

Filling up every two weeks does have its disadvantages. Not enough time in the drivers seat.

Hello and welcome!

I have a 2002 Bonneville SSEi and 2001 Grand Prix GTP. The drive trains mods for the GTP will all work in the SSEi, its the same engine. You should check out Scott Cooks intense products and car. He is a 2000 SSEi running 11s 1/4 miles - albeit with lots of engine work and a M112 supercharger. He has great bolt ons for engine internals not to mention heavy duty transmissions with high performance final drive ratios and limited slip differentials.

I have the following in the SSEi:

3.25 Thrasher Pulley - awesome power with other mods, if you are otherwise stock go with 3.4 pulley. I believe Thrasher has dynod a 3.4 pulley to add 30HP and 50 ft/lbs of torque at wheels on stock GTP. The numbers might be slightly higher on SSEi, because exhaust is freer flowing.

The Other Guys Headers - these are expensive but well worth it! The big problem with smaller pulleys and higher boost on 3800SC is detonation and power robbing knock retard. The TOG headers get hot exhaust gas out faster reducing knock retard, and giving you full benefit of smaller pulleys. They also let you flow more air and create more torque and power. Note to install in SSEi you will have to replace stock transmission dipstick and tube with those from a 1998 GTP. Our stock tube/stick is very wide and straight so it hits headers. The GTP tube is thinner and bent out from engine/trans - plus is easier to bend.


Thrasher Cold Air Intake - lets you get more colder air to supercharger increasing flow and reducing temps and thus knock retard. The CAI goes in a with a little cutting to fit different shape of SSEI fender/front fascia. A decent performance shop should be able to do it for you - on problem.

18X8.5 ACE Alloy Wheels and Michelen Pilot 245/45 ulta high performance tires - this will give you much more grip and amazing cornering/handling with the already great stock suspension on new SSEi. You will also get better acceleration and braking because engine/brakes will not overwhelms tires so easily.

My next mods will probably be an Intense cams/rockers, and Heavy dutry tranmission with 3.69 final drive ratio and LSD.


The GTP has similar wheel/tire package, a 3.4 pulley, and front/rear sway bars, and front rear strut tower braces. My mods for GTP will koni struts, eibach springs, and baer brake system (13 inch front, and 12 inch rear).

Domestic Performance will soon be offering a K&N intake for the SSEI that will go for around 249.00. It will include polished aluminum tube filter and computer box.

Once the kit is made we will show it installed and share project car responses. Should have it worked out within the month. ok ok If you want one now we can supply them I just wanted to show it off first.

Ty

Just curious, has anyone taken a stock 2000+ SSEi to a dyno for a baseline? If so, what were the numbers?

I have ordered a bunch of parts, and am driving everyone nuts checking the mail all the time. I can't wait. Headers, Coils, Pulley, Intake... Where are they????