Classic Trucks '47-'98 GM Trucks - Performance | Conversions | General Discussion

6.0 & 2wd 4l80e into OBS: Header Questions

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Old Oct 16, 2012 | 07:09 AM
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Default 6.0 & 2wd 4l80e into OBS: Header Questions

I am almost done doing everything I can before I actually try to fit it all in.

I was going to order the Schoenfield Conversion Headers....
But then I read b/c I am going 2wd instead of 4wd...I can use NBS headers...

My truck was orignally 4wd but I ditched the transfer case and front drive shaft.

What is the best Long tube header out there for a decent price?
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Old Oct 17, 2012 | 03:47 PM
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Do you have the torison bars still in there?
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Old Oct 17, 2012 | 04:19 PM
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yes, I still have the torsion bars in there.
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Old Oct 20, 2012 | 07:32 PM
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I test fit a set of 99-06 headers on my 89 with the 5.3 in it. Wouldnt work. They hit the frame before they would even sit flat on the head.

You might be able to use a 4th gen F body header.
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Old Oct 21, 2012 | 12:46 AM
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shoenfelds are the only ones i have found
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Old Oct 23, 2012 | 06:27 PM
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Thanks ordered the schoenfelds and sending them off to get coated thanks!
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Old Oct 24, 2012 | 12:19 PM
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https://ls1tech.com/forums/conversio...ggestions.html

Check out this thread
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Old Oct 25, 2012 | 06:00 AM
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Originally Posted by gagliano7
Their work is top notch! Just can't justify spending 1k in headers. They make non-conversion headers for the OBS, work of art and out of my price range. Thanks for the link.
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Old Oct 26, 2012 | 07:10 AM
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Well today is Friday aka pay day and I can't find the *uckers!

I only came across there 2wd models! YELP!

&

any have access to a wiring diagram for the ls swap to 411 PCM?
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Old Oct 30, 2012 | 06:45 AM
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They only make 2wd ones. If you take the front diff out you should be ok.
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