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im sure this will disturb many people (im disturbed too) but ive recently acquired a:
1993 corvette automatic
the car has just over 100k miles, and has been undriven and practically unstarted for around a year.
it has been garaged prior to and during my ownership. it had at least 5 gallons of gas in it when i got it, and a bad battery. I got it, and put it in my garage. replaced the battery, and it starts fine. it chugs like crazy when on though, therefore ive only left it on for merely a minute or so at a time.
so i figured it was bad gas (at least) i siphoned the gas out tonite (still ~2 bars on the digital reading left in it when i started it briefly) and i have 2 portable gas tanks with super unleaded in it that i got recently.
I want to know if i should have this car directly towed to a professional or if i should fill it with the new super i got, and turn it on, and drive it to a nearby shop i've taken other cars (for fluid checks...oil change, etc)
any information is appreciated its in very good shape, the auto transmission was replaced just 3-4 years ago, and i want to treat it right.
i would say put in the new and try it out if it is still rough then call the tow but if not the just take it up there under its own power. and don't let her sit for another year this time. if you don't want to drive her send her here ill take her off your hands
Fill it up and drive it with cleaner added. That time period and being garaged is not that bad on gas, open the cap and smell it, if it was going bad or bad you will know, bad gas has a hell of a putrid smell.
From: Hampton, VA Yea, i'm a redneck... but you love it
Cruise-In 8-9 Veteran
aka/Trunk Monkey/Banned For Life/Corvette For Life
Originally Posted by rspreng86
Fill it up and drive it with cleaner added. That time period and being garaged is not that bad on gas, open the cap and smell it, if it was going bad or bad you will know, bad gas has a hell of a putrid smell.
, mine went for a year. i put fresh gas in it, after the second tank it was back like new
Last edited by Grease Monkey; Feb 6, 2007 at 08:57 PM.
fill it with fresh gas and add octane booster. With boats we have done this all the time there are only a few good octane boosters and off hand I don't remember the brand name of a true octance booster and maybe someone else will. Gas looses octane as it ages.
thanks a lot, i actually dont know how to change the gas filter, but ill research that.
c4robert i wish i had my hands on it before it was sitting for so long
a lot of great responses very fast. thank you this vette will be great in no time especially with corvetteforums advice
There is a tech tip on changing the filter. It is located underneath by the passanger side cat. In my 95 vert I relieved the gas pressure by pulling the fuse and running it and then at the relief valve by the fuel rail. Undo the gas cap in the rear also. After that I removed the braided gas line that is attached to the filter from the top of the engine and removed the bolt at the rear of the filter. I then pulled the filter with the line connected out through the bottom of the car. This was for a vert which is in a more difficult position to get to the top filter bolt. On a coupe you can probably remove it without the line attached.
there is a product called Berryman's Chem Tool.
Theis is a really good additive. It will absorb water, and allow it to be delivered to the gas stream in tiny particles, clean the injectors, and dissolve deposits.
BUT do not add this product in a large quantity compared with the amount of gas that you have in the tank. 1/4 of a can to a tank.
that will begin helping, and will start the process. run the tank dry, and refill with fresh gas, and add half can.
This product may eat away at your fuel hoses if it is administered in large quantities, but does not affect the hoses if used in smaller administered doses because it is dissolved in gasoline in an appropriate amount.
you wouldn't use a whole bottle of aspirin for just one headache, right? but in a year u will use the whole bottle. same effect.
Chris
thanks for all the great responses, going to get some things at the car store right now.
just for clarity should i fill it with as much new gas as possible then add the booster, should the booster go in first because there is still the bad gas in there that i could not siphon out?
im not decided yet on how much i will tinker with the gas filter, as you all have probably realized already im very much an amateur. but i had forgotten about the great tech tip articles/etc. on this site so i will definitely be looking at them
From: Boston, Dallas, Detroit, SoCal, back to Boston MA
Mine fired right up after being in storage for a year. That was out in the desert though, not much moisture in the air. I added some gas additive when I got it back east. I'm not driving it much right now, I plan on changing the filter as soon as it gets about the freezing mark.
Berryman's Chemtool B-12 is available at Walmart for about $3 , or use SEAFOAM. available at most autoparts stores for about $7 or Valvoline Synpower fuel system cleaner $9 at most autoparts stores. Add it to the tank, then your fresh gas, then go fill up with premium
i was only able to find an stp fuel cleaner product at the local autostore, stp had an octane booster as well, but i chose this.
rws i did see seafoam, but i chose stp , would you recommend i bring it back? i havent used it yet ive been very hesitant about anything i do to this beautiful vette.
highpwr, i lived in palm harbor a long time, im now in port richey, a good distance away, do you have an email? im at just_sublime@hotmail.com
ill be holding off another day as far as adding the gas/cleaner goes just want to make sure i dont damage the engine at all