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  Lesson #2 Holley race carb vs Speed Demon

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Author Topic:   Lesson #2 Holley race carb vs Speed Demon
Moneymaker
Administrator

Posts: 27499
From: Lyons, IL, USA
Registered: May 99

posted 04-18-2002 10:17 AM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Did ya ever wonder what race carb works better right out of the box? I did.
I haven't had much experiance with the BG carbs so I thought that since we were on the dyno anyway...............
Well as is other than similar jetting just as I had suspected a Holley race carb will out perform the Race Demon. BUY ABOUT 15 HP!
Now anything can be optimized with fine tuning and changing parts, but that was not the purpose of our test. We compared apples to apples just to satisfy our curiosity on my SS 289. One was worth about 25 HP over my 4100 Autolite and the other was worth over 40 HP more. We used only one 1 inch 4 hole spacer with both carbs. So I guess I still prefer the Holley products.

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Alex Denysenko
Co-Administrator and Moderator/ non 65-66 Mustang owner sensitivity co-ordinator

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[This message has been edited by Moneymaker (edited 04-18-2002).]

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Scott (69Mach)
Gearhead

Posts: 796
From: Walnut Creek, CA USA
Registered: Jun 99

posted 04-18-2002 11:04 AM     Click Here to See the Profile for Scott (69Mach)   Click Here to Email Scott (69Mach)     Edit/Delete Message   Reply w/Quote
Is that a fair comparison??? The Holley Race seems to match up better against the Race Demon or Mighty Demon. I'm guessing they also out hp the Street Demon.

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Moneymaker
Administrator

Posts: 27499
From: Lyons, IL, USA
Registered: May 99

posted 04-18-2002 11:46 AM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Sorry, it is a Race Demon, not a Speed Demon.

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Alex Denysenko
Co-Administrator and Moderator/ non 65-66 Mustang owner sensitivity co-ordinator

NHRA/IHRA/SRA member
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Part time secret agent license #0089
US Class Nationals link

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Larry Jennings
Gearhead

Posts: 540
From: Redwood City, Ca. USA
Registered: Apr 2000

posted 04-18-2002 03:48 PM     Click Here to See the Profile for Larry Jennings   Click Here to Email Larry Jennings     Edit/Delete Message   Reply w/Quote
This falls right into the real life (as opposed to dyno) experiances we're seeing with the junk Demon series carbs. I'm a fan of many BG fuel system parts but not his carbs. They are pretty, but not fast .

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Being 10 is easy! Acting 10 takes years of practice.

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