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D.Johns · 08-19-2015, 01:53 PM

What's the upper and lower pulley size for the blowers? Didn't see it specified on the 15 COPO or 15 DP.

Why all the differences between the 530/540 iron/aluminum block? Just allowing racers more variety to choose from?

08-19-2015, 01:53 PM	#39
D.Johns Member Join Date: Dec 2011 Location: Indiana Posts: 437 Likes: 15 Liked 18 Times in 6 Posts	Re: New Drag Pak Challengers What's the upper and lower pulley size for the blowers? Didn't see it specified on the 15 COPO or 15 DP. Why all the differences between the 530/540 iron/aluminum block? Just allowing racers more variety to choose from? __________________ 2014 Cobra Jet FS/XX #3345 STK/SS Like us on http://www.facebook.com/pages/Daniel...25886327426822