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Old 02-25-2010, 01:15 AM   #4
Sid447
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Join Date: Feb 2004
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I tried searching for the LS1 Intakes Test,

That Chevy Hi-Performance magazine ran an article about in 2004 but had no luck.
So I have copied and pasted the table of results that I kept.

Quote:
Four different intake manifolds tested here by Chevy Hi-Performance magazine on a stock crate LS1 V8 engine.
After fitting each of the different intakes they then checked the power & torque with three different camshafts.
Peak Power & Torque results below:-


XR265HR (212/218 -114 .522/.529)

Intake
Truck....429hp @ 5900.......422lb-ft @ 4800
LS1......450hp @ 5900.......439lb-ft @ 4900
LS6......459hp @ 5800.......447lb-ft @ 4900
FAST....462hp @ 5900.......450lb-ft @ 4900
-----------------------------------------

XR275HR (222/224 -112 .566/.568)

Truck...468hp @ 6300.......445lb-ft @ 5000
LS1......462hp @ 6300.......442lb-ft @ 5000
LS6......471hp @ 6300.......449lb-ft @ 5000
FAST....479hp @ 6400.......452lb-ft @ 4900
-----------------------------------------
XR281HR (232/234 -112 .595/.598)

Truck....486hp @ 6500.......447lb-ft @ 5000
LS1.......484hp @ 6500.......445lb-ft @ 5000
LS6.......495hp @ 6500.......448lb-ft @ 5000
FAST.....503hp @ 6400.......452lb-ft @ 5000

Chevy Hi-Performance magazine 08-2004.
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