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05-11-2007, 01:37 PM #1
- Join Date
- Jan 2007
- Location
- Cville,GA
- Posts
- 25
Silver and Black- 2002 Z-28 Camaro
Choosing headers...How much does primary tube size matter?
well i could go with the Hedman Street Hedders longtubes their like $450 and come in 1 1/2 - 1 5/8 in primary tube diameter and or the hooker super comp longtubes with 1 3/4 in primary tube diameter for $650 both are ceramic coated. does that 1/8th in make that big a difference or is it just that hooker is charging u for their name?
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05-11-2007, 01:43 PM #2
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05-11-2007, 04:21 PM #3
Have you looked into Pacesetter 1 3/4" headers? They are usually best bang for the buck for the f-body cars.
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05-11-2007, 05:27 PM #4
Sure, bolting a 1 3/4 header on a car that was tuned for 1 1/2 will make a difference. More power at WOT. Less at low throttle. But, thats where with tuning you account for that, and can add more timing and/or fuel down low. I haven't seen a car yet go backwards with bigger headers, up to 1 7/8 primaries.
Its the back-pressure in the exhaust that will play more havoc than primary sizes with street cars. Now if you dump them 3" off the collector, then primary sizes matter big time.
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05-12-2007, 09:54 AM #5
- Join Date
- Jan 2007
- Location
- Cville,GA
- Posts
- 25
Silver and Black- 2002 Z-28 Camaro
well i plan on running 3 in pipe off the headers in an x pipe then just straight out i know i gotta get a tune cuz ill be running rich once their installed
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05-12-2007, 12:41 PM #6
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