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Bolt ons 11.91 now 11.85 now 11.831

   
Old 04-12-2015, 05:48 AM
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Default Bolt ons 11.91 now 11.85 now 11.831
My wifes 99 Z28 went 11.91 yesterday. The car has a Yank 4000 SS converter, Tsp headers, Hooker Aero Chamber exhaust, and Ls6 intake. Full weight nothing removed.The air was good not great.
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Old 04-12-2015, 06:55 AM
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What speed and 60ft?
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Old 04-12-2015, 07:03 AM
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1.58 and 114.
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Old 04-12-2015, 07:08 AM
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Get this, the previous best on the car was 12.23( in great air). Had the maf act up the week before. Changed the maf to the new style AC Delco maf and it runs 11.91 and 11.94 ( in good air) and no it is not running lean.
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Old 04-12-2015, 07:19 AM
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Congrats on the new PB.

Do you have a part # for that MAF?
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Old 04-12-2015, 07:25 AM
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That's one hell of a trap speed with just bolt ons and full weight like that. Very nice
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Old 04-12-2015, 07:37 AM
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The new design is plastic. I ordered it online. I will get a part number. You can go on AC Delco website and you will see a pic. I do not know if the maf has been acting up for a while but this car has over 200 passes on it and it picked up a bunch. At this track it it usually a mid 12 car. Can't explain it.
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Old 04-12-2015, 07:39 AM
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nice job ! on the times and on choosing a proper stall speed
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Old 04-12-2015, 08:18 AM
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Nice job....bolt-on cars continue to impress me.
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Old 04-12-2015, 08:46 AM
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That converter is bad ***. My car went 11.98 same setup in super air and now the wife trumps me with an 11.91 in ok air. Now she wants a cam. She's a good girl. And the 60' was 1.56 not 1.58.
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Old 04-12-2015, 02:47 PM
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Well....hopefully your wife weighs less than you or that would be a real kick in the nuts.
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Old 04-12-2015, 03:57 PM
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Did you come across the # number ? what did you end up paying for the new MAF ?

Is it " Mass Air Flow Sensor Kit Part Number: 213-4657

Where did you buy it at exactly ?
Last edited by Frost33; 04-12-2015 at 04:12 PM.
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Old 04-12-2015, 04:17 PM
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#213 4657
I paid $225 with overnight air. I believe t is $205 SHIPPED.
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Old 04-12-2015, 04:24 PM
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On amazon its listed as

"ACDelco 213-4657 GM Original Equipment Mass Air Flow Sensor Kit $124.25 , where did you order yours from ?
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Old 04-12-2015, 06:06 PM
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Originally Posted by Frost33
On amazon its listed as

"ACDelco 213-4657 GM Original Equipment Mass Air Flow Sensor Kit $124.25 , where did you order yours from ?
Guess I should have looked on Amazon. It is $339 from a dealership.
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Old 04-12-2015, 08:34 PM
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Originally Posted by nj02z
Guess I should have looked on Amazon. It is $339 from a dealership.
Was that the same one you bought lol ?

Amazon.com: ACDelco 213-4657 GM Original Equipment Mass Air Flow Sensor Kit: Automotive Amazon.com: ACDelco 213-4657 GM Original Equipment Mass Air Flow Sensor Kit: Automotive
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Old 04-13-2015, 07:01 PM
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Originally Posted by Frost33
Great deal but the bastards won't ship to Canada
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Old 04-13-2015, 09:18 PM
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Stock street tire on that run?
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Old 04-13-2015, 09:31 PM
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Originally Posted by high n dry
Stock street tire on that run?
I will go out on a limb and say it didn't run a 1.5 60 foot time on a stock street tire lol
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Old 04-13-2015, 09:34 PM
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Typing in the part number on eBay they're apparently $55 shipped?
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