Which Kooks For Me?

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Apr 12, 2005 | 03:09 PM

BoneSS

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Which Kooks For Me?

All my research points to 1 3/4, just wanted to confirm. Here is the setup:

TEA S1.5 5.3L TEA heads 2.02/1.55 milled 0.010 heads w/ a 228/230/571/573 112 comp cam; Full boltons, FAST 90/NW TB--the car will never see FI or nitrous in this form. If it did, it would be w/ a different engine. Thanks!

Apr 12, 2005 | 03:16 PM

cyphur

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yep, 1 3/4 sounds good.

Apr 12, 2005 | 03:18 PM

FLeXNuTZ

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This should help. https://ls1tech.com/forums/dynamometer-results-comparisons/296165-1-3-4-vs-1-7-8-header-dyno-results.html
It seems like the 1 7/8" LTs are only better with the use of a power adder. I guess with N/A they are too large.

Apr 12, 2005 | 03:59 PM

matts22

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That is almost exactly the setup I am going to get when I get the money. I went with 1 3/4 QTP's (same design). I haven't seen anything AT ALL showing me that 1 7/8 is worth is on a N/A stock displacement engine.

Apr 12, 2005 | 07:57 PM

Blacker

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1 3/4" are plenty big enough.

Apr 12, 2005 | 09:57 PM

BoneSS

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Thanks guys. Now if I can figure out which Y pipe I need to go to my SLP D/D, and if I need clamps and stuff, I'll be in business!

Apr 12, 2005 | 11:26 PM

cyphur

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Kooks y-pipes fits their headers rather well

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Apr 13, 2005 | 03:34 AM

BoneSS

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From: Ashland, KY

They offer these y pipes--I need one to mate up to my SLP DD

6502 3" Y-Pipe (From Kooks Header to Stock Y-Pipe)
6502M 3" Y-Pipe w/Magnoflo Cats
6502CUS 3 1/2" Inlets Y-Pipe ( 3 1/2" or 4" Outlets)
6502-1CUS 3" Inlets Y-Pipe to 4"
6502-2CUS 3 1/2" Inlets Y-Pipe to Stock Outlet

Do I need clamps also>

Thanks!