i have a 496 bbc 11.5.1 compression 1050 dominator and a brodix hv2001 intake was looking at buying a 2 inch spacer from jegs , ive heard they add horsepower is this true ? here a link to the spacer im loooking at
http://www.jegs.com/i/JEGS+Performance+Products/555/15437/10002/-1
http://www.jegs.com/i/JEGS+Performance+Products/555/15433/10002/-1
http://www.jegs.com/i/JEGS+Performance+Products/555/15437/10002/-1
http://www.jegs.com/i/JEGS+Performance+Products/555/15433/10002/-1