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upcoming engine mods for the veccy
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[quote][i]Originally posted by vibrio[/i] [quote][i]Originally posted by SetH[/i] As standard these engines have a serious breathing problem vibs, you can free up worthwhile amounts of power just by sorting the breathing. We have a new throttle body conversion for the 2.5 Vectra. The throttle body is supplied on an exchange basis. The conversion involves the standard throttle body being stripped down. The housing is machined out to accommodate a larger throttle butterfly which is attached to a new low profile spindle, providing a 21.5% increase in throttle area at full throttle. This gives an increase of 6-8 BHP Suitable for 2.5 V6 24v (C25XE) 170ps engines as used in Calibra and Cavalier, the Courtenay-Mantzel Powerbox inlet manifold produces an 8 bhp power gain :lol: thats erm about 16bhp, where does the rest come from? Sorting out the air box definately frees a few bhp up, if you looked at a standard one you would know why so maybe a few bhp there, I dont know how good an FSE is on these engines, but they respond quite well to a decent remap so maybe a few bhp there as well. See its not that far off 30, and i forgot to mention the Scorpian GPA full system im getting too. [/quote] don;t be a fool Set £1500 fitted is crap. UNICHIP £450 Throttle body £250 you'd probably see around 15hp with that [/quote]
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