T O P I C R E V I E W
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SikWiditMke
Member # 9699
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posted
I don't understand, my car is basically stock minus a e-cam eddy intake,Mac cold air, shortys, and 3:73 gears.. Timing is set at 13. And tune up was recently done with new plugs, wires, cap and rotor, fuel filter, and cleaning of IAC and thottle body, and adjustment of tps sensor with a base idle reset. Previous owner has blocked off EGR coolant port.
And the only issue the car has is cold starts every morning. It's hunts for idle or sometimes stall until warmed up. I don't drive ignorant on the streets, just crusing. My drive consist of highway and streets. And I get about 200 to a full tank! Its killing me in the wallet. It has a "superchip" previous owner has installed and you guys have said to take it out!? Is there a process of doing this?
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90_STANG015
Member # 8990
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posted
mine is completely stock down to the air box. 5 speed with borla mufflers.... i drive streets and highways an i get about 200 to a tank. how do you dirve you car?fast, slow?
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SikWiditMke
Member # 9699
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posted
Driving it very considerate. On the streets I shift at 2500 getting it thru the gears always going the speed limit and on highway I'll always be driving at 65mph..
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66_5.0
Member # 9974
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posted
Mine gets like 150 to a tank.. All about ur driving
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SikWiditMke
Member # 9699
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posted
I guess this is something I'm gonna have to live with... Just one of those things in owning a muscle car!!
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89 306
Member # 9042
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posted
Wow that's some poor gas milage. I got a built 306 h/c/i nd I get 200 to a full tank som times a lil more wen I driv normally
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SikWiditMke
Member # 9699
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posted
Dammit I knew something was wrong lol... Maybe I should ditch the stupid superchip on the ECM .. Then redo everything as in timing an idle stuff... Or should I take it aomewhere to get looked at?
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1HaTCheD5LiTEr
Member # 8269
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posted
To me personally, I dont think there is anything wrong. When I used to have my hatch that had a 306 and an E cam, I used to get about 200 miles to the tank on mixed street and highway driving, 150 just on city driving.
If I were you, I'd pull some spark plugs and see how they look. If the prongs look black, that means you're running rich, white means lean and brown means you have a pretty good air/fuel mixture.
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SikWiditMke
Member # 9699
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posted
To me personally, I dont think there is anything wrong. When I used to have my hatch that had a 306 and an E cam, I used to get about 200 miles to the tank on mixed street and highway driving, 150 just on city driving.
If I were you, I'd pull some spark plugs and see how they look. If the prongs look black, that means you're running rich, white means lean and brown means you have a pretty good air/fuel mixture.
First thing I'm gonna do tomorrow is look at the plugs an then we shall go from there!!
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1HaTCheD5LiTEr
Member # 8269
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posted
Alright...hope everything goes well!
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Roman
Member # 9945
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posted
im lucky to get 160 170 before filling up.
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SikWiditMke
Member # 9699
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posted
Would exhaust leak cause bad gas mileage? Just left work and noticed I have a ticking sound on acceleration.. Same ticking sound I had a month ago but worst!?!
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5.7L EATER
Member # 9451
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posted
If the exhaust leak is before the o2 sensor then yes
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SikWiditMke
Member # 9699
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posted
Then that shit must be the culprit... The collectors don't have gaskets right? Just needs a good tightening hopefully
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JohnB
Member # 969
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posted
quote: Originally posted by SikWiditMke: The collectors don't have gaskets right?
Correct. Save yourself the hassle and do it right the first time though...remove the H/X pipe, clean the ball and sockets with 280 grit sandpaper, and apply a light coating of high temp sealant. You'll thank yourself with a leak-less system.
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SikWiditMke
Member # 9699
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posted
This is a project I'm going to hit this weekend... Thanks johnB for the tip.. What kind of header gasket do you recommend? Right now it has some aluminum gaskets that previous owner put on.. Any good ones out there that wouldn't blow out? Headers are bbl shortys?
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SikWiditMke
Member # 9699
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posted
Anybody have recommendations on some good header gaskets?
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Duncan Motors
Member # 7045
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posted
remflex is the finale answer for a good header gasket period
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svfreerider87
Member # 5748
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posted
i had the thick copper ones made by mr gasket, ended my exhaust leak problem once and for all.
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SikWiditMke
Member # 9699
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posted
posted July 08, 2010 12:27 PM remflex is the finale answer for a good header gasket period Posts: 1918 | From: Vallejo | Registered: Sep 2006 | : svfreerider87 ¯ Member # 5748
posted July 08, 2010 12:59 PM i had the thick copper ones made by mr gasket, ended my exhaust leak problem once and for all.
-------------------- Dreamspeed Motorsports Posts: 1264 | From: Sunnyvale | Registered: Jun 2005 | :
Where can I purchase these gaskets? Is it a online only item?
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Duncan Motors
Member # 7045
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posted
ive had many problems with the copper ones, in many different ways. john at ljs in napa has the remflex ones.im sure u can get them somewhere else but not sure where, this is his number call him and pick some up. oh and by the way the remflex ones wont let the exaust bolts get loose and fall out either.ive never had any bolts fall out or any other problems on over fifty sets of this type of gasket. they are 45 bucks tho
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