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  1. GN7 On the Dyno
    Do intake screens under the carb adapter screw up the carb metering signal on a Roots 6-71 blower? I thought I read somewhere that it might mess air flow up. This is for a BBC 468, dual 850s on a Kuhl inline adapter, stripped 6-71. 5-7 lbs boost lake cruiser build. More endurance than max...
  2. Parts for Sale
    Littlefield Superchargers polished roots blower carb adapter plate for use with Holley Dominator carbs. $60 to your door con. US. price change edit
  3. GN7 On the Dyno
    I'm looking at one of the many blower kits available for my 525 BBF that I'm putting in my Hondo runner, I want to use blower carbs on E85 and I will use the boat as a lake rod/ occasional bracket racer, probably no more than 10lbs of boost. So here's where I have questions - some manufacturers...
  4. GN7 On the Dyno
    Some pics of my project..92 27 fountain fever 556 BBC 871BDS blower. Runs mid high 80's and still tuning.
  5. GN7 On the Dyno
    Buddy is building a 522ci, AFR full CNC heads, 10-71 Little Fields, blower shop intercoolers, 8.25:1 static. Gonna be a hyd roller around 680-700 lift custom cam. Right now he has a pair of 4150 "930" Nickerson carbs. These carbs are 750 bodies, that nickerson ground the choke towers off, and...
  6. GN7 On the Dyno
    What will a motor do on the dyno that is using a roots blower with small carbs? I was using the formula from BDS to see what CFM will be needed with the boost being used. I'm thinking is it will tip over on the dyno. Run out of air being pulled through the carbs. Hope I'm asking this...
  7. GN7 On the Dyno
    I have a 500hp efi built up to 540 with dart pro 1 heads blower pistons bigger injectors and a m1 pro charger at 8 lbs when I can get the belt tight enough. I want to go to a roots type blower. questions. i like the looks of a big belt 10 or 1271. a whippile is more efficient is the 500 efi...
  8. Bob Teague
    I have a 500efi built up to 540 with dart pro 1 heads blower pistons bigger injectors and a m1 pro charger at 8 lbs when I can get the belt tight enough. I want to go to a roots type blower. questions. i like the looks of a big belt 10 or 1271. a whippile is more efficient is the 500 efi stage 2...
  9. GN7 On the Dyno
    How bad do you think I would be kicking my self if I tried to do a mechanical fuel injection system on a street/strip car? I already have all the parts and I can buy a lot of oil changes for what it would cost to go out and buy all the EFI components. Or should I just kick the bullet, spend...
  10. GN7 On the Dyno
    This is a really general question, I'm just looking to keep my motor "safe" or ideal. And help me get my motor jetted right. It's not a balls out race motor. I have a 496 with a GM 671 blowing about 5psi and two holly 750cfm 4150s. Just say 6500max rpm. I just run premium yes I know it...
  11. V-Drives
    I will qualify this question so that it about gas. For as long as I can remember, if I saw a V-Drive with A roots blower it was the coolest looking and must be the baddest thing around. One thing that has puzzled me though, has been that when I look at the race results and the records, the...
  12. GN7 On the Dyno
    I have a few questions that I know some of you guys can answer. first I am new to the whole supercharger deal. I have built and owned several big inch na and n20 motors as well as turbo motors but I am lost when it comes to a roots blower. the motor is a 522 with a blower shop 871 no cooler...
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