General LSX Automobile Discussion Non-technical LSX related topics.

full bolt-on owners only please

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Old 03-11-2007, 03:36 PM
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If you think about it if he has a 16.8 gallion tank and does highway driving and gets 30 MPG's (which I have done before) Thats 504 Miles if you run it dry, now if hes gettin a little more then 30 and runs it DRY then its possible I guess, I think that most of us just dont run it down to the bottom of the tank
Old 03-11-2007, 03:47 PM
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Originally Posted by Arcolog2
Even though you only did minor mods, your car should be tuned for EVERY little thing you do, you'd be supprised to see what just a LM can change.

I get 27mpg highway with Mods in sig. It's all in the tune
Most of my driveing is city with alot of stop and go open highway i'd get atleast 275-300 miles on a tank i think. When i fill it up i the gauge goes about a 1/4 over full so i fill it to the top.I think it runs a little rich though but i'm gonna try and hold off on a tune until i get my lt's.
Old 03-11-2007, 03:50 PM
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Originally Posted by Genesis_26317
200-220 sounds like he is running jusssst a little messed up considering he only did a lid and LM.

Did you remember to reinstall the IAT sensor into your lid when you installed it? That could be the problem. Mine fell out and I only got 150 miles to a tank once.

Either that or he is running 10.2 gears or something...
I'll check my lid to make sure mine hasn't fallin out.
Old 03-11-2007, 11:03 PM
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i drove my car UNTUNED for the last week, lots of city driving and maybe 150 miles highway. i went 300 miles on the tank and when i got it tuned today, it was running REAL rich. With the 2.73 gears, no cam, just boltons i got like 220-260. only reason i got to 300 is b/c i didnt beat on it AT ALL while it was untuned
Old 03-12-2007, 08:35 AM
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I have a .600 lift cam and got 402 miles on a tank before my gas light came on.
Old 03-12-2007, 08:44 AM
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thats impressive coolformula
Old 03-13-2007, 11:42 AM
  #127  
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I tought it was. I have had my ls1 for about 8 months. In sept, I took to IN to see a friend. I filled up ran the AC up there, but not on the way back. It was 400-403 miles and the light came on and I stopped for gas. Mostly all just left it in 6th and crusie65-75 depending on where I was at. That included little bit of city redlight driving too once I got up there.

I was really suprised since I have the 233/239 cam in there with some good lift.

I told people at work and nobody belived me lol. V8's can't get that much. lol

BTW-thats off of a mail order tune from TSP and duals.
Old 03-14-2007, 01:56 PM
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Originally Posted by Starz T/A 17
If you think about it if he has a 16.8 gallion tank and does highway driving and gets 30 MPG's (which I have done before) Thats 504 Miles if you run it dry, now if hes gettin a little more then 30 and runs it DRY then its possible I guess, I think that most of us just dont run it down to the bottom of the tank
yep.. i was just under 515 miles... my fuel pump was probably cursing me out...
Old 03-14-2007, 01:57 PM
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Originally Posted by EarlSS
Most of my driveing is city with alot of stop and go open highway i'd get atleast 275-300 miles on a tank i think. When i fill it up i the gauge goes about a 1/4 over full so i fill it to the top.I think it runs a little rich though but i'm gonna try and hold off on a tune until i get my lt's.

good idea... save your money.
Old 03-15-2007, 09:30 AM
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about that i'd say. i always fill it up til i hear gas gushing around and sounds like its about to blast up out of the car and into my eyes lol..
Old 03-15-2007, 11:15 AM
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Damn I have very similar numbers to yours and don't get even close to 500. The most I got was 350 and that was alot of highway with some city. Usually I only get 220-260 around town.




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