C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

TPI Replacement Idea

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Old Jan 19, 2007 | 12:21 PM
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Default TPI Replacement Idea

I stumbled across this one day looking at Ford perf. parts. Sullivan Performance makes an upper intake that will bolt to any Holley 4150 squarebolt pattern intake. It would take some mods to work with a vette's thottle body, but would allow using a victor EFI lower. It also has provision for EGR for those living in states where is matters. I am considering this for my motor when I finally build it and wanted some feedback. How much motor would you need to effectively use a setup like this and is it worth the time to pursue? At first glance, it seems that this would be less expensive than a SuperRam and would require less mod than a Holley SR.

Here is the link to the upper:
http://www.sullivanperformance.com/Y.../tbadapter.htm
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Old Jan 19, 2007 | 01:29 PM
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Take a look at the manifold from firstfuelinjection.com , while it may not be as exotic , it might make it easier to accomplish what you're trying to do.......MAKE HORSEPOWER !!!!! Good Luck !!
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Old Jan 19, 2007 | 02:10 PM
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This may be what you are referring to on a more direct path...
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Old Jan 19, 2007 | 02:29 PM
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it might interfere with the t-stat housing
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Old Jan 19, 2007 | 11:27 PM
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I am assuming (possibly incorrectly) that that upper is a one-off custom peice. Where can I find one if available and how much do that cost?
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Old Jan 19, 2007 | 11:29 PM
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I wondered the same thing about the t-stat. It may require too much mod to be practical.
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Old Jan 20, 2007 | 12:17 AM
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Check this out as another possibility:http://forums.corvetteforum.com/show....php?t=1602744
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