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UPD 5.7/L31 airbox is on the way!!!!!!!

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Old 03-12-2003 | 11:04 AM
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Pro Stock John's Avatar
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Default UPD 5.7/L31 airbox is on the way!!!!!!!

For those L31 guys on the site, Karen contacted me, and after 6 months of waiting the 5.7/L31 airboxes are done!

I elected to get a black one since I don't plan to show'n shine that much.

Since I last ran the Tahoe at the track I rebuilt the transmission since it was slipping in 3rd and 4th, and installed a used Dynomax catback.

Depending on whether the rear gear is bad I will upgrade to probably a 3.42 if I have to or keep my 3.08's...

I went 16.8 stock with no changes, but after a tuneup, !air filter, and !spare, I went 16.3.

I think that It's currently around a 15.9 but with the airbox, maybe a gear and HPP3 I would like to hit low 15's that would be pretty bad ***.
Old 03-12-2003 | 11:51 AM
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red53gmc's Avatar
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Default Re: UPD 5.7/L31 airbox is on the way!!!!!!!

How much is it? When can we order one?
Old 03-12-2003 | 01:44 PM
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Pro Stock John's Avatar
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Default Re: UPD 5.7/L31 airbox is on the way!!!!!!!

Email her at:

sales@ultimatepd.com

With the air filter I think it was around $170...

I have not wanted to pay almost $300 for a K&N FIPK...

Man I am pumped I could really use like 2 more tenths I raced a 96 Impala SS up to 120mph and if I had had a bit more power I could have pulled on him.
Old 03-18-2003 | 11:02 PM
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Default Re: UPD 5.7/L31 airbox is on the way!!!!!!!

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by Pro Stock John:
<strong> For those L31 guys on the site, Karen contacted me, and after 6 months of waiting the 5.7/L31 airboxes are done!

I elected to get a black one since I don't plan to show'n shine that much.

Since I last ran the Tahoe at the track I rebuilt the transmission since it was slipping in 3rd and 4th, and installed a used Dynomax catback.

Depending on whether the rear gear is bad I will upgrade to probably a 3.42 if I have to or keep my 3.08's...

I went 16.8 stock with no changes, but after a tuneup, !air filter, and !spare, I went 16.3.

I think that It's currently around a 15.9 but with the airbox, maybe a gear and HPP3 I would like to hit low 15's that would be pretty bad ***. </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">John what year Tahoe you running?

This is the air cleaner I run...about twice the size of a Volant and they go for $100 from Whipple (used on 454 SC trucks) and include a large K&N air filter...here is my tech article on it:

http://64.246.6.99/~admin6/forum/sho...threadid=17168

<img src="http://james.jaguar.net/kctrading/Pics-of-truck-3-2-02/Sany00061.jpg" alt=" - " />

Ken

<small>[ March 18, 2003, 11:03 PM: Message edited by: (Ken)-Blown-383 4x4 ]</small>
Old 03-20-2003 | 12:23 AM
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Pro Stock John's Avatar
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Default Re: UPD 5.7/L31 airbox is on the way!!!!!!!

I have a 99 Tahoe L31 4x2.
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