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Finaly putting her togather.

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Old 02-05-2012, 08:01 PM
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So whats the details on the 408???
Old 02-05-2012, 08:40 PM
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thats a good question, in for results
Old 02-05-2012, 09:07 PM
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Built from a LQ9, Dimond nitrous pistons(13:1 with L92s), compstar rods, Eagle crank, and a speced cam.
That is most of the info, here is the sale thread.
Nitrous race ready 408 shortblock sold - LS1TECH

One question I have is from what I understand there are two differant reluctor wheels on the crank? If this is true and my old one is differant then my new one will I have to do anything besides adjust it in the tune?
Old 02-05-2012, 09:14 PM
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You should be fine regarding the reluctor as long as nothing damaged the wheel. The one shown in the pics from the sale thread is a 24x which is what your 2500 came with originally.
Old 02-05-2012, 09:30 PM
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Cool thanks.

I have to figure out my injectors and rails because right now they aren't all lining up. It should be the only thing I have to over come.

It is a TBSS intake and the stock rails(6.0 truck) that were moddified to work with a longer cross over tube aren't going to work.

Dose anyone have a TBSS with longer injectors and rails that work? Atomic does but his rails are $300+ if I remember. Hoping to find a cheaper way!

I have factory TBSS rails that I think will work with a spacer but then I would need an alternative return style regulator.
Old 02-05-2012, 09:38 PM
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The rails I had for my intake needed to be modified to work with my injectors.
Old 02-05-2012, 09:40 PM
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Originally Posted by custm2500
Cool thanks.

I have to figure out my injectors and rails because right now they aren't all lining up. It should be the only thing I have to over come.

It is a TBSS intake and the stock rails(6.0 truck) that were moddified to work with a longer cross over tube aren't going to work.

Dose anyone have a TBSS with longer injectors and rails that work? Atomic does but his rails are $300+ if I remember. Hoping to find a cheaper way!

I have factory TBSS rails that I think will work with a spacer but then I would need an alternative return style regulator.
What about using a corvette filter with the built in return line on the stock rails then all you would need to do is space it up for the taller injectors???
Old 02-05-2012, 10:04 PM
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Check out how he redrilled the pattern with spacers.
https://www.performancetrucks.net/fo...9-02-a-459296/

here is the corvette filter mod on the original TBSS rail
https://www.performancetrucks.net/fo...ll-nbs-493269/
Old 02-06-2012, 06:07 AM
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I was already thinking to re drill my stock rails. Solves the issue for much less then $300! Thanks for the info.

The vett filter is also a good idea I may do that but think I am going to try the modified rails first. I have two sets to give it a shot with. Obviously the filter has the regulator built in?
Old 02-06-2012, 06:10 AM
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Injector pig tails and pushrods are the only two things on the to by list right now. Hopefully I will see everything else by the end of the week.


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