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  • Need Blower Help

    I will explain what I have, so hopefully you understand, and can tell me exactly what I need. I have a new 467 CI built by Mark Jones at Vortecpro.com. The engine have approximately 9.2:1 compression. It has a mild hydraulic flat tappet cam. The heads are peanut port heads, but before you laugh, Mark has made a business out of porting the heads to flow great. It was dynoed at 526 HP. I know I'm crazy, but my dream has always been to have a blower sticking out of the hood. I do not race the car, but I do get on it now & then on the street. From what I have researched, I believe 4-6 pounds of boost would be great for a cruiser, and still add more HP. So now the 64 million dollar questions. What do I need? I like the 6-71, the way it looks. Is that too much? Can it pull 5 pounds of boost? Also, will this work with my setup? I would like to bolt on the blower & go. I really don't want to replace the pistons, cam, etc. Any help you can provide, and what parts I need would be appreciated. Thank you.

  • #2
    Originally posted by k9arko View Post
    What do I need? I like the 6-71, the way it looks. Is that too much? Can it pull 5 pounds of boost? Also, will this work with my setup? I would like to bolt on the blower & go. I really don't want to replace the pistons, cam, etc. Any help you can provide, and what parts I need would be appreciated.
    Contact Weiand Tech Service (LINK).
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: 385"/6.3L SBF, Dart SHP 8.2 block, forged steel crankshaft & H-beam rods, forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232-244 duration/.623" lift/114 LSA camshaft, TFS R-Series FTI Comp Ported intake, BBK 80mm throttle body, Holley Dominator MPFI & DIS, Holley 36-1 crank trigger, MSD 1x cam sync, PA PMGR starter, PA 200A 3G alternator, Optima 34/78 Red battery, 100HP progressive dry direct-port NOS, R134a A/C, Spal Dual 12" HP 3168 CFM fans, Frostbite 3-core aluminum radiator, Pypes dual 2.5" exhaust, off-road X-pipe, shorty headers, Earl's -6AN fuel system plumbing, Walbro 255 LPH in-tank pump & Pro-M -6AN hanger, S&W subframe connectors, BMR upper & lower torque box reinforcements, LenTech Strip Terminator wide-ratio AOD, 3000 RPM C6 converter, B&M Hammer shifter, Stifflers transmission crossmember & driveshaft safety loop, FPP aluminum driveshaft, FPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 M/T Street Comp tires.

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    • #3
      A 6-71 should be able to pull 15 lbs of boost all day on that size engine. Depends on how fast you want to spin it.

      5 psi is nothing. In fact, your engine net power loss from driving the blower for 5 psi might not gain you very much power. Blowers take horsepower to make horsepower. This gives them a great low end torque curve.

      If it's just for looks, a 6-71 is more then capable to make 5 psi on a sub 500 ci engine. The blower would still be under driven for that pressure rating.

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