RedGT88 New Member Jan 7, 2014 18 0 2 Jan 3, 2016 #1 Jan 3, 2016 #1 Hi, I'm planning on putting some gt40p heads with 1.72rr on 1988 stock motor with the stock cam. I'm not sure about what valve springs I need. Any help would be greatly appreciated, thanks.
Hi, I'm planning on putting some gt40p heads with 1.72rr on 1988 stock motor with the stock cam. I'm not sure about what valve springs I need. Any help would be greatly appreciated, thanks.
RangerJoe I leave the horn on while driving 15 Year Member Apr 26, 2010 2,560 1,168 184 Georgia Jan 3, 2016 #2 Jan 3, 2016 #2 The stock cam has gentle ramp rates, so really any of the aftermarket drop in kits should work, such as the alex's or the TFS. Joe
The stock cam has gentle ramp rates, so really any of the aftermarket drop in kits should work, such as the alex's or the TFS. Joe
RangerJoe I leave the horn on while driving 15 Year Member Apr 26, 2010 2,560 1,168 184 Georgia Jan 3, 2016 #3 Jan 3, 2016 #3 And you will still be well south of .500" lift. Joe
