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Jake Raby · 06-08-2010, 11:31 AM

Yet again we are talking generally here.. Some systems DO give some sort of gain, but the question is how much each one of those additional HP costs.

I sourced a set of expensive headers for my Wife's 996 Land Speed Car (that holds 4 records) and installed them.. I did back to back dyno work and no matter what I could not get back the 6Hp that they cost me, until I removed them and went back to stock. Using the data logger (DL-2) the 0-60 and 40-80 ETs substantiated what the dyno illustrated.

How much is 5Hp worth??? I can get 5-7 (RWHP) with a 225.00 pulley!

06-08-2010, 11:31 AM	#13
Jake Raby Engine Surgeon Join Date: Aug 2008 Location: Cleveland GA USA Posts: 2,425	Yet again we are talking generally here.. Some systems DO give some sort of gain, but the question is how much each one of those additional HP costs. I sourced a set of expensive headers for my Wife's 996 Land Speed Car (that holds 4 records) and installed them.. I did back to back dyno work and no matter what I could not get back the 6Hp that they cost me, until I removed them and went back to stock. Using the data logger (DL-2) the 0-60 and 40-80 ETs substantiated what the dyno illustrated. How much is 5Hp worth??? I can get 5-7 (RWHP) with a 225.00 pulley! __________________ Jake Raby/www.flat6innovations.com IMS Solution/ Faultless Tool Inventor US Patent 8,992,089 & US Patent 9,416,697 Developer of The IMS Retrofit Procedure- M96/ M97 Specialist