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03-13-2008, 06:16 PM
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Fords big boost kit
Sure wish we could get the Big Boost kit for a Roush:
From Fords parts catalog: 2007 MUSTANG 4.6L BIG BOOST KIT M-9066-M117 Big Boost kit converts M-6066-M463V7/M463P7 from 400 hp to 500 hp Fits 2007 Mustang GT with MANUAL transmission ONLY. See www.fordracingparts.com for 2008 manual transmission applications Produces 500 hp at 5800 rpm with 93 octane at approximately 11psi of boost! Kit includes intercooling system, M-9407-GT05 fuel pump kit and smaller pulley DUE TO MULTIPLE CALIBRATIONS, ONLINE REGISTRATION IS REQUIRED TO RECEIVE PRO-CAL TOOL AFTER PURCHASE Includes Pro-Cal voucher with official Ford Racing calibration E.O. #D-231-24 Engine calibrations are developed and supported for U.S. and Canadian vehicles only begs a question: If ford will sell a 500 hp kit for a stock bottom end 4.6 and still give a warranty??????? Why can't Roush?? LeeU
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1990 450 hp Kenny Brown SC T-Bird 2008 Roush 428R No 127 of 200 
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03-13-2008, 06:31 PM
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it just depends on how much boost and how the tune is setup
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03-13-2008, 07:02 PM
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11psi on a stock bottom end is not going to make for a very happy guy. From all the research I have done on this, anything more than about 9psi is asking for trouble. JMO
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 07 Roush Stage 3 #07-250 02 Saleen S281 #02-331
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03-13-2008, 07:13 PM
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Why would Ford sell this then? This is an add on kit for there 400hp SC kit. Link to catalong, then look at page 39, one would think Ford knows what is safe, right??
http://www.fordracingparts.com/download/catalogs.asp LeeU
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1990 450 hp Kenny Brown SC T-Bird 2008 Roush 428R No 127 of 200
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03-13-2008, 07:19 PM
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Quote:
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