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Old 03-28-2015, 02:00 PM   #11 (permalink)
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Well I drove it to Omaha and I really like it. The only problem is an occasional misfire on cylinder 3. I would really like the engine spinning slower than 2500 at 60 going to have to track down a sc1 transmission


Last edited by mazdamx640; 03-29-2015 at 05:13 PM..
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Old 03-29-2015, 05:13 PM   #12 (permalink)
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Well I got my fist tank in and it returned 33 mpgs that's not bad considering the rear tires only had 11 and 20. So time to start ecomodding I removed the antenna and license plate bracket. I changed the oil to mobile 1 5w30 and aired the to 51 psi. The next problem I need to take car of is the thermostat because the hottest it ever gets is 175 and I can't find a replacement over 185 degrees
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Old 03-30-2015, 01:17 AM   #13 (permalink)
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Quote:
Originally Posted by mazdamx640 View Post
Well I got my fist tank in and it returned 33 mpgs that's not bad considering the rear tires only had 11 and 20. So time to start ecomodding I removed the antenna and license plate bracket. I changed the oil to mobile 1 5w30 and aired the to 51 psi. The next problem I need to take car of is the thermostat because the hottest it ever gets is 175 and I can't find a replacement over 185 degrees
33 mpg with 2 near flat tires is a great start!

Be careful airing up the tires if they have dry rot cracks. I learned a lesson the hard way... 58 psi in 44 max psi tires with dry rot equalled tread seperation while driving

If you can't find a higher temp thermostat, block off your grill to raise the coolant temperatures go full block and trim some out if your coolant temps need it.

Fyi, Saturns seem to like warm air, so a WAI should help based on some other results in the past. Use the search bar to find out the exact parameters.
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Old 03-30-2015, 02:35 AM   #14 (permalink)
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You can put the antenna back on. Take off the trim along the front/top of the passenger door opening, take out the rear bolt of the antenna base, loosen the front bolt, and tilt the base rearward. You will then be able to screw the antenna back into the base and cover it under the door opening trim, then tighten the front base bolt

I ran a 94 h body on the same commute as the sc1. The sc1 could get 37mpg as easy as my olds 88 could get 25

Last edited by 2000mc; 03-30-2015 at 02:41 AM..
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Old 04-01-2015, 09:22 AM   #15 (permalink)
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Ahhh, it does my heart good to see another Saturn guy out there. I’ve been driving an S-series (02’ SL2) for several years now. They’re about as boring as transportation gets but they will knock down some impressive mileage and are probably the cheapest and easiest thing on 4 wheels to keep going.

Some tips:

-Definitely keep an eye on oil levels. I’ve personally seen anywhere from almost zero oil use to 2+qts between changes on a variety of different S-series. It seems to vary a decent amount so it’s REALLY important that you watch yours until you can establish just how much it uses.

-Go ahead and change the coolant temp sensor now (located on the cyl head; driver’s side; towards the bottom). Their well known for going bad and they’ll cost you a not-insignificant amount of mileage (2-3mpg EASY). As a perk, the part is generally around $10 (parts for these cars are INSANELY cheap! ) and it’s easy to change. Be careful with the wire and connector though as they’re a bit brittle. Also, you mostly likely won’t need any coolant (the sensor is in the water jacket) as you’ll probably only spill a few tablespoons if you have the new one in hand and screw it in immediately after removing the old one. It’s an easy 15min. job and, like I said, very cheap.

-Trans swap is an absolute must-do (though 40+mpg is easily do-able with the stock tranny). Get one from a single cam car; they bolt right up 100% (no fab work or changes of any kind required). The later ones (1998+) had a slightly taller 5th than the early ones, though the difference isn’t drastic (maybe 100rpm less at 60 w/ the newer one). Check to see if you have a Pull-A-Part local to you. My last Saturn trans swap came from there costing a whopping total of $80. Because of their oil usage issue it’s not hard to find S-Series that have been burnt-up by inattentive owners so their easy to find. As far as the actual swap; easy as pie. I removed my Pull-A-Part tranny, by myself, with nothing more than common hand tools, in less than 2hrs; easiest FWD you’ll ever pull. The trick is to remove 2 bolts from the subframe and loosen the other 2 to allow it to drop, and pull it out through the wheel-well. Though it looks like it would fit, I’ve not been able to pull one from the top. A complete trans swap can be done in an afternoon. As far as results, I saw about +2mpg ave. from the swap on my old SL2 (haven’t done it yet on my current one).
I’ll save you a MAJOR headache though and warn you to fill the clutch reservoir ALL THE WAY TO THE TOP before removing the slave cyl. from the trans. If it sucks air as it extends out when you remove it you will play heck getting it bled as they are, technically, sealed units with no bleeder provisions.

-Warm air does a little but I’ve never gotten spectacular results from it. Honestly, I’d put this in the ‘do it if you can find time’ category.

-Keep your shift points below 2000rpm. I’ve tried shifting at a variety of points and I’ve gotten my best, consistent-not one-time peak, mileage by shifting between 1800-2000rpm. These cars seem to thrive on high load-low rpm conditions.

Really though, just getting it in prime running order (plugs, wires, O2, etc) and driving like you want mileage will have you at 40+. I average right between 40-42mpg from my twin cam, 5sp sedan (SL2) during the 8-9 decent months here (above freezing). Wintertime has me in the 36-38 range depending on how severe the weather.
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Old 04-04-2015, 02:18 PM   #16 (permalink)
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Join Date: Feb 2010
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Supra - '88 Toyota Supra

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Last 3: 27.62 mpg (US)

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3800
90 day: 25.85 mpg (US)

Saturn - '97 Saturn Sc2
Team Saturn
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90 day: 39.12 mpg (US)

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Thanks for the great advice! I'll have to get that sensor replace asap. Currently I'm trying to go 6 months without driving it because I got snapshot from progressive and I'm trying to get the full thirty percent. But while I'm not driving it I'll get a chance to swap the transmission, get 1.75" lowering springs and Aerocaps
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Old 04-04-2015, 02:36 PM   #17 (permalink)
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Subscribed. I have always loved the look of these cars. Great platform for ecomods too. But I hope you don't delete the CAT. You don't need to do that to get great mileage. Lots of cars on here, including mine, testify to that. And deleting it really increases your car's pollution profile. I know you live in NE and it's nothing like CA, but still... you realkydon't need to delete it to get great FE, I swear.

Good luck!
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Old 04-12-2015, 11:06 AM   #18 (permalink)
EcoModding Apprentice
 
Join Date: Feb 2010
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3800
90 day: 25.85 mpg (US)

Saturn - '97 Saturn Sc2
Team Saturn
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90 day: 39.12 mpg (US)

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I finally put it on a lift Friday and judging by the welds on the cat I'd say it's already been knocked out so I'll probably cut the whole section out add a cherry bomb and remove the annoying ricer muffler. another problem I found while I was under there is the rear bumper it curves forward and is supposed to be bolted to the car but it's just hanging down like a parachute so I'll have to get that fixed before I leave town. I need to get a decent camera before I start modding this thing
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Old 04-13-2015, 01:49 PM   #19 (permalink)
EcoModding Apprentice
 
Join Date: Feb 2010
Location: Howells Ne
Posts: 125

Supra - '88 Toyota Supra

superhawk - '98 Honda superhawk
Last 3: 27.62 mpg (US)

Lesabre - '96 buick lesabre
3800
90 day: 25.85 mpg (US)

Saturn - '97 Saturn Sc2
Team Saturn
Sports Cars
90 day: 39.12 mpg (US)

Truk - '99 Ford F150
Team Ford
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90 day: 23.43 mpg (US)
Thanks: 17
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Update I finally ordered new rear tires since mine are in bad condition and I want less drag. I'm going from the stock 195/60R15 to bfg t/a 155/80R15
http://m.tirerack.com/tires/TireDeta...SR5RADTARWL2V2
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Old 04-29-2015, 08:21 PM   #20 (permalink)
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Supra - '88 Toyota Supra

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Last 3: 27.62 mpg (US)

Lesabre - '96 buick lesabre
3800
90 day: 25.85 mpg (US)

Saturn - '97 Saturn Sc2
Team Saturn
Sports Cars
90 day: 39.12 mpg (US)

Truk - '99 Ford F150
Team Ford
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Thanks: 17
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!Got the 155 bgfs installed on the rear there only rated for 35 psi but I've got 42 in em. I replace the coolant temperature sensor,thermostat and 02 sensor and it finally reads about half way on the temp gauge from just under a quarter. With these skinny tires on the back it looks like I've got lots of room for wheel skirts. I'm also planning on using a 2 way switch and a couple resistors to replace the air intake temp sensor with a economy mode at 197 degrees and a performance mode at 50 degrees


Sorry about the quality of the pics my phones lense is scratched


Last edited by mazdamx640; 04-29-2015 at 08:32 PM..
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