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02-22-2015, 12:33 PM
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#1 |
         
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1 7/8 or 2 inch headers with FI?
Does it matter?
Should you go no bigger than 1 7/8 if you are not boosted?
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Modifications
GM Dark Tail Lights / 3rd Brake Light & Reflectors | LED Reverse Lights | Diode Dynamics Side Markers | Borla "ATAK" Cat Back Exhaust |
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02-22-2015, 01:11 PM
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#2 |
Drives: 2014 Saleen 620 White Label #14-011 Join Date: Dec 2014
Location: AL
Posts: 610
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Every header comparison ive seen 2" makes the most power hp and tq without any loss under the curve... Even n/a. Jre has a back to back comparison of 1 3/4 1 7/8 andd 2 inch somewhere in this forum.
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'14 Saleen 620 White Label #14-011
ADM LSA Stage 1 Kit, ADM 2.75 Pulley, DEKA 63lb injectors, ZL1 Fuel Pump, JLT 123MM Big Mouth intake, TSP 2" LTHs, BW TB, 2.5" Catback, Scott Culbert/GEN3PERF tuned! 573WHP/557WTQ @ 10psi. Build Thread Here: http://www.camaro5.com/forums/showthread.php?t=390708  |
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02-22-2015, 01:13 PM
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#3 |
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Drives: 2014 Saleen 620 White Label #14-011 Join Date: Dec 2014
Location: AL
Posts: 610
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Here you go. Imo with FI it could only help in lowering psi with more flow.
http://www.camaro5.com/forums/showthread.php?t=63640
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'14 Saleen 620 White Label #14-011
ADM LSA Stage 1 Kit, ADM 2.75 Pulley, DEKA 63lb injectors, ZL1 Fuel Pump, JLT 123MM Big Mouth intake, TSP 2" LTHs, BW TB, 2.5" Catback, Scott Culbert/GEN3PERF tuned! 573WHP/557WTQ @ 10psi. Build Thread Here: http://www.camaro5.com/forums/showthread.php?t=390708 |
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02-22-2015, 01:53 PM
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#4 |
 
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2 is all I would run.
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02-22-2015, 03:46 PM
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#5 |
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Drives: Anything I want Join Date: Oct 2008
Location: DfW - Texas
Posts: 5,405
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We use 2 " on 800 and over hp
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