Calspeed headers on 4x4 anyone done

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07-14-2013, 04:52 PM

JDMCRX

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Calspeed headers on 4x4 anyone done

I've been looking. What does not clear on the headers on the 4x4 trucks ??

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07-14-2013, 05:19 PM

HAMMER!

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the driver side hits the front diff mount the passenger side it's the frame barely. also the o2 sensor needs to be re clocked so it won't contact frame rail

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07-14-2013, 06:14 PM

whitedakota

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I have calspeed headers.. We just messaged the primary a little on the driver side. Pass side is close to the frame but doesn't touch.

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07-16-2013, 06:08 AM

JDMCRX

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Awesome guys thanks that's why I thought that the diff mount might get in the way a bit .

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07-16-2013, 09:38 AM

Vortec350ss

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We had to massage the primaries at the driveshaft as well as the steering column on my buddies silvy SS.

and when I say massage I mean beat the **** out of them with a hammer/sledge.