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Throttle Body for 408.

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Old 02-12-2007, 12:06 PM
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Default Throttle Body for 408.

I am currently planning out a 408 for a C5. I have just come to the throttle body, and was wondering about the differences of two. Will a factory LS2/LS7 90mm flow and work as well as an aftermarket one? If the LS2 will work the price difference would help tremendously.
Old 02-12-2007, 02:38 PM
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Most guys using aftermarket 90's are doing so because they are cable (camaro etc). I see plenty of stock 90mm ETC throttles being used.
A port wouldn't be a bad idea though.
Afterall 90mm is 90mm irrespective of who makes it.
Old 02-12-2007, 06:19 PM
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There's a group buy over on LS2GTO.com for new ported stock LS2 TB's. The price is hard to beat.
Old 02-13-2007, 11:38 PM
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The Port Works company? I looked into them and after buying a throttle body for them to port and getting the work done it's just as cheap to buy one completed. I looked into a TPIS 90mm and like the findings... Can anyone give me an opinion on it?

Heres is the link...

http://www.tpis.com/index.php?module...Throttlebodies



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