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Re: Anyone running 2" BBC headers???
Quote:
Originally Posted by prostreetC-10
There is not one person that has told me I can get away with 1.75's on this 496. It's just too restrictive. Granted, they will bolt up but I will loose a ton of top end. The exhaust shop, Brodix, Lunati and everyone else said a MINIMUM of 1 7/8th.
Don't shoot the messenger! lol
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It really depends on the rpm, keep that in mind too - are you planning on spinning it over 6k? I don't think you would lose a ton of top end, if any at all. 600hp is kind of the break point for 1.75". Plenty of big inch small blocks make over that with a 1.75", but yes I understand you have a BB. But again, if you want something that fits really well and it costs you 5-10hp (which I'm not sure it would) it may be worth the trade. Maybe call some header mfg's and see what they say? Are you building a street truck or a dragster?
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Adam
1969 Chevy CST/10 stepside, DART Big M/TREMEC Magnum Extreme/3.73's w/Detroit Truetrac
1965 Chevy Bel Air Wagon (daily driver), 327/TH350,10 bolt w/3.08's
1961 Chevy Bel Air Sport Coupe, ZZ454/M21/9" rear w/3.50's & Detroit Truetrac
2005 GMC 1500 ccsb 2wd, 6.0L/4L65e/3.73 G80
2006 GMC 2500HD ccsb 4x4, DMax LBZ/Allison 6spd/4.56's w/Detroit TrueTrac
 
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Last edited by BossHogg69; 11-09-2012 at 11:18 PM.
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