I've tried the spacer also. Car was more aggressive on top end and less on the bottom end. You will notice improved pedal response when you remove it. It all depends on what rpm you will launch at. below 3000--remove it, above leave it on. It will enhance your top end. Keep in mind some spacers are designed for torque only and some are designed to give you better top end. It depends on what you have. The thing that gets me is they do not say what type of intake they are designed for--dual or single plane. I pretty sure its single thats gets the torque advantage of the spacer.
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85 GT, 347 STROKER,SUBS, TKO TRANNNY,BBK LONGTUBES,HOLLEY 750 PRO SERIES, STEALTH INTAKE,4:10'S,8.8 REAREND, AFR185 HEADS, 150 SHOT OF GIGGLE GAS
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