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

Need stock flow #s on LT1 and LT4 intakes

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Old 09-19-2014, 11:24 AM
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Default Need stock flow #s on LT1 and LT4 intakes

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Anyone have some reliable information on these?

Got some afters on an LT1 I just did and a before/after on an LT4 in progress but still want to see if theres a known stock #

Thanks
Old 09-19-2014, 03:35 PM
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The LT4 intake is internally the same as the later model SMALL trapezoidal port LT1 intakes. Earlier intakes had larger rectangular ports.
Old 09-19-2014, 04:13 PM
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Thanks
the LT1 I have is off a 93 Vette cant remember for the life of me if it was "rectangular" or that goofy shape they have.
Edit: reread your post
Old 09-19-2014, 04:32 PM
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The 93 intake has a small flow advantage in not having the fuel rail crossover trough.
Old 09-20-2014, 09:26 AM
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Going to pick up another stock LT1 intake I suppose and spend a little to find out;relow this LT4 at a secondary place to see where consistency lies.
Think I ran out of Google lol.
Old 09-20-2014, 02:30 PM
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http://www.hobracing.com/tech/tpi_flow.asp
Old 09-21-2014, 07:13 PM
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Thanks. Too bad they dont have LTx intake info
Just have to buy a stock one and spend more finding out thats all.
Old 10-15-2014, 10:06 AM
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If these two sell for enough maybe Ill buy another pair and get before #s

The afters were pretty impressive on both
No real advantage of an LT4 over an Lt1 unless you gotta have that red intake
Plenum design with the back runner up against the wall=big fat fail



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