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

Question on porting my TB

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Old Jan 27, 2010 | 07:24 PM
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Default Question on porting my TB
I have been contemplating home porting a throttle body I have laying around to a 52mm. I figure it may help my motor breathe a little better with the cam. Only question I have is, if I port it, will I need to get larger blades to make up for the 4mm difference, of will the difference be too small so I won't have to worry about it?
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Old Jan 27, 2010 | 07:45 PM
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You need to get the larger blades.
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Old Jan 27, 2010 | 07:50 PM
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Thats what i figured. Where can you get them at?
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Old Jan 27, 2010 | 08:01 PM
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i have had 2 from here
http://cgi.ebay.com/ebaymotors/1993-...Q5fAccessories
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Old Jan 27, 2010 | 09:00 PM
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I'm pretty sure thats where I gots mine.
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Old Jan 27, 2010 | 10:05 PM
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If your doing it by hand I would be worried about not getting the holes perfectly round so the blades seal up correctly when closed .
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Old Jan 27, 2010 | 11:11 PM
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Originally Posted by 96lt1m6
I love his advertised gains

15-20 hp on a stock motor
50-100hp w/ cam and mild head work - i.e. valves & hand port
100hp+ on hot 383ci and larger motors
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Old Jan 28, 2010 | 12:20 AM
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Originally Posted by Badazz 97 TA
If your doing it by hand I would be worried about not getting the holes perfectly round so the blades seal up correctly when closed .
Ive got a mill and lathe to do it on. That would be a concern though if I was doing it by hand.
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Old Jan 28, 2010 | 12:28 AM
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Originally Posted by speed_demon24
I love his advertised gains
15-20 hp on a stock motor
50-100hp w/ cam and mild head work - i.e. valves & hand port
100hp+ on hot 383ci and larger motors

They wouldn't print it if it wasn't true!!
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Old Jan 28, 2010 | 06:40 AM
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I never pay attention to advertised HP gains before you know it you have a 700 HP motor that runs 13s
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Old Jan 28, 2010 | 07:00 AM
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If you have a lathe and a mill to do the throttle body just make the 52mm blades.
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Old Jan 28, 2010 | 01:22 PM
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Originally Posted by 97pontta
If you have a lathe and a mill to do the throttle body just make the 52mm blades.
You are absolutely correct, why didn't I think of that.
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