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too lean with lid?

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Old 03-04-2007, 05:29 PM
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at a dyno day recently we dynoed a stock ss. it made 310 to the wheels through the auto. we put a lid only on and got 329 to the wheels. the guy running the dyno said it was running too lean and could hurt the car without a tune if he got on the car any. now i am worried that my car is in jeopardy because it is still untuned and i don't have the money for it. is it really gonna run that lean because of basic mods?
Old 03-04-2007, 05:30 PM
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Originally Posted by nomadnate
at a dyno day recently we dynoed a stock ss. it made 310 to the wheels through the auto. we put a lid only on and got 329 to the wheels. the guy running the dyno said it was running too lean and could hurt the car without a tune if he got on the car any. now i am worried that my car is in jeopardy because it is still untuned and i don't have the money for it. is it really gonna run that lean because of basic mods?
Tuned/Untuned can be a very important distinction at extremely high mod levels, but not with a lid. If the MAF is functioning, the PCM will compensate for any "new" air coming into the engine.
Old 03-04-2007, 05:37 PM
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Originally Posted by nomadnate
now i am worried that my car is in jeopardy because it is still untuned and i don't have the money for it. is it really gonna run that lean because of basic mods?
haha, no...most people go full bolt-on's without touching the car's computer, and only see gains. See, the dyno-operator was just trying to make an easy buck and get you to give him your money.
Old 03-04-2007, 05:42 PM
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what the hell kinda lid showed a 19 rwhp gain??!!
Old 03-04-2007, 05:47 PM
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Originally Posted by Ripper415
what the hell kinda lid showed a 19 rwhp gain??!!
" Super Lid ".
Old 03-04-2007, 06:12 PM
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i'll get a copy of the dyno sheet, but i was there. lid only swear to the ls1 god. and yeah i figured it wouldn't really hurt anything but thought i'd ask. it was fun to see things change with such simple changes. one of the lt1's gained power when he put his MAF screen back in.
Old 03-04-2007, 09:37 PM
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I think that dyno itself needs some kind of tune up
Old 03-05-2007, 12:46 AM
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Jeeeeeeezus. That's a badass lid.

Did it look like this???



Old 03-05-2007, 12:59 AM
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Only a matter of time before my lid looks like that.
Old 03-05-2007, 01:10 AM
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Originally Posted by orangeapeel
Only a matter of time before my lid looks like that.
Really? I heard diapers were about to double in price.....
Old 03-05-2007, 01:11 AM
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Originally Posted by TheBlurLS1
Really? I heard diapers were about to double in price.....

Who says it is not already sitting in the corner of my office?
Old 03-05-2007, 04:13 AM
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Originally Posted by HossZ28
I think that dyno itself needs some kind of tune up
Seriously!!!....19rwhp from just a lid! AFTER the 12%-15% drivetrain loss. On top of that I think he said it was an A4. hhhhmmm........I doubt that!

I call Bull ****!
Old 03-05-2007, 06:07 AM
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yea i put down 325 with lt's, lid, and catback. seems a little high for just lid
Old 03-05-2007, 09:13 AM
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Originally Posted by nomadnate
at a dyno day recently we dynoed a stock ss. it made 310 to the wheels through the auto. we put a lid only on and got 329 to the wheels. the guy running the dyno said it was running too lean and could hurt the car without a tune if he got on the car any. now i am worried that my car is in jeopardy because it is still untuned and i don't have the money for it. is it really gonna run that lean because of basic mods?
It can. What did the WBO2 say? Where was he taking the reading from?
Old 03-05-2007, 12:57 PM
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Alright the car was mine and i put down 310/339 on an all stock car. Then we put a lid with a de-screened MAF and pulled 329/ 359. But i was detonating up in the higher RPM's. Ill get the dyno print out to him so he can post since i don't have a scanner.
Old 03-05-2007, 01:00 PM
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Originally Posted by TheBlurLS1
Jeeeeeeezus. That's a badass lid.

Did it look like this???



Blur, that's the funniest thing you've ever posted.



Ben T.
Old 03-05-2007, 09:00 PM
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Originally Posted by 95stsrider
Alright the car was mine and i put down 310/339 on an all stock car. Then we put a lid with a de-screened MAF and pulled 329/ 359. But i was detonating up in the higher RPM's. Ill get the dyno print out to him so he can post since i don't have a scanner.
those are some damn impressive numbers for stock. im assuming the car is either 01-02 ss? is it auto or manual?
Old 03-05-2007, 09:44 PM
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yea its an 01 ss auto...
Old 03-05-2007, 09:52 PM
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Originally Posted by orangeapeel
Only a matter of time before my lid looks like that.
Old 03-09-2007, 07:17 PM
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he also has a lot of slp options but not quite all of them.



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