Stealth intake hitting carb?
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Junior User
Joined: Feb 2004
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From: Illinois
Stealth intake hitting carb?
I have a Stealth intake on my truck and a Demon 850 carb. The butterflies on the carb are hitting the seperator on the top of the intake. What did you guys do to solve this problem if you had it. I was thinking of grinding it down a little. Help.
Senior User
Joined: Apr 2003
Posts: 432
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From: Oregon Coast
I really doubt it is hitting the butterflies. On mine a piece of the fast idle linkage was hitting the passenger side of the intake. I just took a felt marker and outlined the problem and taped up the intake and ground it out with a die grinder. Look under the carb on the passenger side while working the throttle and you will see the problem. I wouldn't put a spacer on a Stealth.
Post Fiend
Joined: Sep 2000
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From: Oregon
Originally posted by Hired Gun
I wouldn't put a spacer on a Stealth.
I wouldn't put a spacer on a Stealth.
FTE *******
Joined: Jan 2004
Posts: 791
Likes: 1
From: Pittsburgh, PA
1" spacer on the Stealth is a for sure good thing. Its been covered and proven a thousand times......use the search function on the 385 forum http://www.network54.com/Forum/85220
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Post Fiend
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From: Oregon
Indeed. And that forum should be included in everybodies bookmarks. Its where I get all my hardcore 385 tech.
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Senior User
Joined: Apr 2003
Posts: 432
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From: Oregon Coast
With this kind of endorsements I will definetely have to give it a try. I have both a 1 and a 2" spacers laying around from my race car. Just looking at the huge size of the ports on a Stealth I figured a spacer would kill the bottom end throttle response and defeat the dual plane effect.
Post Fiend
Joined: Sep 2000
Posts: 8,238
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From: Oregon
Yea, its funny Gun, you look at the sewer pipe sized ports on the stealth and ya figure a spacer would do nothing but slug up the velocity. Yet, for some strange reason most of us have found gains with spacers with the Stealth. Go figure. Play around and let us know how it worked for you, too.
FTE *******
Joined: Jan 2004
Posts: 791
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From: Pittsburgh, PA
Dont quote me on this...but I think I saw it explained once like this....The runner voluum to plenum volume is not quite on the money, but if you add the 1" spacer and increase the plenum voluum you hit thweet spot. I know Gary Blair has dyno proven this, and a few others have as well, I just dont recall the names and threads. Yes, that forum is hands down the very best group to ask hardcore 385 questions to, many of the guys that troll and respond there are professional engine biulders, or very serious racers/hobbiests. One day I hope to be the later and have gathered enough to actually share wit with those guys. For now I troll there :]
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