LT1-LT4 Modifications 1993-97 Gen II Small Block V8

52mm TB to 58mm TB no tune?

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Old Feb 2, 2011 | 12:05 AM
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Default 52mm TB to 58mm TB no tune?

i just installed a new 58mm TB today and had to stop because of a cold front that just came threw. im going to the dyno on friday for a new tune, will my car be able to make it there and what could i expect driving it without a tune?

i finished putting it on and started it a few times but stopped because of the weather. I have not got a chance to adjust the idle yet but i made the tps volts right. idle was very high.

anything i should worry about, the drive is about 20 miles.
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Old Feb 2, 2011 | 12:08 AM
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You should be fine. Did you port your intake for the 58mm TB?
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Old Feb 2, 2011 | 12:10 AM
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yes...
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Old Feb 2, 2011 | 11:09 PM
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the reason i was asking is because it was idling way too high and would drop low then high over and over.

i had a brain fart and figured it out. for some reason i tested the volts on the tps with AC not DC. once i readjusted it with DC to .67 my car became a monster. just need to get a tune and see if it really helped.
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Old Feb 3, 2011 | 01:52 AM
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selling your 52mm? :]
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Old Feb 3, 2011 | 07:15 AM
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General consensus and data = 58mm TB Wasted money on stock cubes
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Old Feb 3, 2011 | 07:58 AM
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Already have the 383. Just waiting on a damper and cam. It's Just for fun.

Yes I'll sell the 52mm. It's a TPIS I believe, came with the car. $100 shipped
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Old Feb 3, 2011 | 06:47 PM
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!00 shipped,,,,,, thats a steal boosted buy it now button.....
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Old Feb 3, 2011 | 06:57 PM
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Originally Posted by 96TransAmboosted
!00 shipped,,,,,, thats a steal boosted buy it now button.....
payment has been sent
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Old Feb 3, 2011 | 07:23 PM
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Originally Posted by boostedlt1
payment has been sent
Man I wanted it! I lost out on some sweet and sour chicken earlier too.
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Old Feb 3, 2011 | 07:25 PM
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Do those tpis units have the stupid hole for idle air?
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Old Feb 3, 2011 | 08:01 PM
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here are some pics of the TB, not sure what or where the idle air is. THE TB IS SOLD!!! pics are just to answer the question above, sorry to tease yall

http://i151.photobucket.com/albums/s...5/DSCN0865.jpg
http://i151.photobucket.com/albums/s...5/DSCN0867.jpg
http://i151.photobucket.com/albums/s...5/DSCN0859.jpg
http://i151.photobucket.com/albums/s...5/DSCN0860.jpg
http://i151.photobucket.com/albums/s...5/DSCN0861.jpg
http://i151.photobucket.com/albums/s...5/DSCN0862.jpg
http://i151.photobucket.com/albums/s...5/DSCN0863.jpg
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Old Feb 3, 2011 | 08:51 PM
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Has an air foil over the area where the hole is ? is...... Seems very funny to me. like he is hiding something.....lol
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Old Feb 3, 2011 | 09:10 PM
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Thumbs down Red alert!!!! You've been had!!!!cornswaggled!! Hoodwinked!!!gypped!!

DAMNIT MAN!! Thats a Damn stock TB with a TPIS lid plate!! And man does it look like **** ... i foresee a PayPal dispute in someones near future
Here's some pic's of the one i got from eBay . Its a stock unit opened to 52mm with all new shaft CNC'd butterfly's and ball bearings for a $100 vs stock ...they can be had all day like this

I got one like the sold fake tpis above for sale if anybody wants it for $100 obo!!! lol

http://www.youtube.com/watch?v=id3nik5Rldw
Attached Thumbnails 52mm TB to 58mm TB no tune?-s2010059.jpg   52mm TB to 58mm TB no tune?-s2010060.jpg   52mm TB to 58mm TB no tune?-s2010061.jpg  

Last edited by defaultexistence; Feb 3, 2011 at 09:30 PM.
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Old Feb 3, 2011 | 09:32 PM
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That Tb might clean up with a sand blast or carb cleaner and a brush
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Old Feb 4, 2011 | 10:33 PM
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Refund happen yet?
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Old Feb 5, 2011 | 03:07 AM
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are you trying to say it's not ported?..
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Old Feb 5, 2011 | 07:19 AM
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No,That it is not a TPIS unit and sold under the idea that it is,its a ported stock TB in terrible shape...and that at that price the buyer could have a completely reman'd one with no possibilities of issues and a warranty.
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Old Feb 11, 2011 | 10:23 PM
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i was not aware that it is a ported stock tb, if it is and you can ship it back and ill refund the money if you want. pm me if you dont want it.
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Old Feb 11, 2011 | 10:58 PM
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Originally Posted by defaultexistence
General consensus and data = 58mm TB Wasted money on stock cubes

And *** clown, I got 10hp and 10tq today after the tune.
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