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86 Legend · 01-10-2014, 11:22 AM

Hi all,
I'm planning to upgrade my vortechsupercharger pulley (3.125" or 2.87"). The car made 239whp with stock pulley, what is the expected power gain? Shall I change the belt?!!
Thanks in advance

01-10-2014, 11:22 AM	#1
86 Legend Member Join Date: Feb 2013 Drives: 2013 GT86, 2011 Escalade EXT Location: UAE Posts: 18 Thanks: 5 Thanked 0 Times in 0 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	what is power gain with smaller pulley (vortechsupercharger) Hi all, I'm planning to upgrade my vortechsupercharger pulley (3.125" or 2.87"). The car made 239whp with stock pulley, what is the expected power gain? Shall I change the belt?!! Thanks in advance