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Old 09-10-2017, 10:02 PM   #371
tadams72
When is enough ever...
 
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Drives: 2006 Silverado 2500HD CC/SB LBZ
Join Date: Apr 2011
Location: Residence: Chula Vista, CA Home: Billings, MT
Posts: 996
Quote:
Originally Posted by Synner View Post
I pondered going -12 but 2 things held me back.
1, I thought the improved racing adapter and ports out of the block are already the biggest restriction. Granted I know it takes a lot more effort to push fluid through smaller tubes but oh well. I figure it would only buy me 1-2 psi more but I think the added capacity is a far greater benefit and reduces any potential risk.

2, I had 2" primaries originally and packaging was a concern. Since then I've switched to a 1-7/8" ceramic coated header so less of an issue. They lost all their gloss this weekend, lol. Will see how well it holds up. Maybe I'll need a swaintech coating. I hope not, I hate doing crap twice.


Agreed on line size. I started with 1 ⅞" primaries but wrapped them in DEI titanium wrap. Had to rewrap one collector recently as some strategic speed bumps shredded them a bit.


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"Just like farmer engineering. Find the weak link and fix it, then find the next one." Salt Cat Racing
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