Speed Demon
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Lead Driver
Joined: Nov 2000
Posts: 6,640
Likes: 349
From: Albuquerque
Speed Demon
Does anyone have experience jetting a Speed Demon carb? Am replacing a 750 vac/sec with same from Barry Grant and the factory jets are 5 sizes larger than my existing. Hate to start out rich on a new motor but the tech says to do it.
1977 Ford F-100
280,000 miles
Stock on the outside
modified/rebuilt everything
1977 Ford F-100
280,000 miles
Stock on the outside
modified/rebuilt everything
Senior User
Joined: Oct 2000
Posts: 227
Likes: 0
From: arkansas
Speed Demon
from what I've heard about demon carbs, if the technician you are talking to says do it, DO IT! they usually get the jetting really close, most often times right on. try it and see what happens, if not, call him back
