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Author
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Topic: Tried My Ebay Holley 650dp
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itlbrnmoff
Gearhead Posts: 746
From: Indianapolis,IN.USA
Registered: Nov 2002
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posted 03-11-2003 08:13 AM
   
I decided to try out the carb I just bought from Ebay BEFORE I totally rebuild it, and, something's not right.
I pulled both bowls off first, it has the factory 67/73 jets still in it, a plastic float in the front, and a brass float in the rear?
So I bolted it on "as is" to see if it worked...
Well, the engine starts, but gradually starts to die. If I throttle the linkage, it'll stay running at a faster idle, but then, all of a sudden, a flat spot and dies.
This seems to me like a blockage somewhere.I adjusted the floats, but it was hard to do when the engine wouldn't stay running. I even turned the mixture screws out to 2 1/2 turns, but no better. All the vacuum openings are hooked up or plugged, but the engine accellerates like an engine with a vacuum leak, then dies. I'm going to soak it and put a kit in it, but thought someone might know what the problem is beforehand. And oh...leaked gas all over the intake while working on it and all over my hands too. And I developed a severe allergic reaction to gasoline and solvents on my hands from way back when I put the engine together...not good.  ------------------
Low Dollar 1983 Mustang GT W/T-tops...
306 4bbl. T-5 3.45 trac-loc...it'll burn 'em off
1988 Lincoln LSC
5.0 auto full power
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SteveLaRiviere
Administrator Posts: 33371
From: Saco, Maine
Registered: May 99
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posted 03-11-2003 08:33 AM
When a carb sits, the fuel evaporates and leaves residue everywhere. Most of the passages are very small and easy to plug up. The drying fuel also causes the gaskets to shrink, crack and then you have fuel leaks.------------------
'70 Mustang Mach 1 - '72 Mustang Sprint - '94 F-150 Please remember our sponsors,
Mustangs Plus, NPD, Osborn Reproductions, MyFordPerformance.com, and FordRamAir.com
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itlbrnmoff
Gearhead Posts: 746
From: Indianapolis,IN.USA
Registered: Nov 2002
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posted 03-11-2003 08:46 AM
Yeah, guess I better quit foolin' around before I blow the thing up and just go ahead and soak it. I got the gas everywhere because I took the rear bowl off when it had fuel in it.
The seller of the carb allegedly stated that he'd put new gaskets on it but never used it, the blue gaskets on the bowls didn't look new.
It could have bad power valves too.
Thanks. Heading for the garage now.  ------------------
Low Dollar 1983 Mustang GT W/T-tops...
306 4bbl. T-5 3.45 trac-loc...it'll burn 'em off
1988 Lincoln LSC
5.0 auto full power
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V8 Thumper
Gearhead Posts: 3467
From: Orange, Ca. United States of America
Registered: Dec 2001
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posted 03-11-2003 08:48 AM
I don't remember where I got it, but I bought a kit of blow gun nozzles (5) of different sizes, from fairly big to really tiny. They vary in length proportional to the diameter. Anyway, they work wonders when doing a carb overhaul. They allow you to concentrate compressed air into every tiny little oriface, passageway, air bleed, everything. The kit was under $10 IIRC ------------------
1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9" All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html
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V8 Thumper
Gearhead Posts: 3467
From: Orange, Ca. United States of America
Registered: Dec 2001
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posted 03-11-2003 08:49 AM
If you don't mind me asking, how much do Ebay 650 dp's go for?------------------
1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9" All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html
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69 Sportsroof
Gearhead Posts: 1202
From: Valley, Alabama, USA
Registered: Mar 2002
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posted 03-11-2003 09:16 AM
quote:
Originally posted by V8 Thumper:
If you don't mind me asking, how much do Ebay 650 dp's go for?
You can pick one up for less than $75 easily. I just bought a 600 for $40.
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itlbrnmoff
Gearhead Posts: 746
From: Indianapolis,IN.USA
Registered: Nov 2002
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posted 03-11-2003 09:24 AM
I'm still here, but i'm leaving.
I paid $125 at a "Buy It Now" price.
I couldn't seem to win the auctions for cheaper ones.
Thanks on the blow-tip thing...but since I can sometimes be a BLOWHARD, I might not even need to turn the compressor on...  ------------------
Low Dollar 1983 Mustang GT W/T-tops...
306 4bbl. T-5 3.45 trac-loc...it'll burn 'em off
1988 Lincoln LSC
5.0 auto full power
IP: Logged |
rockafellz
Gearhead Posts: 1291
From: San Lorenzo, CA, USA
Registered: Aug 2001
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posted 03-11-2003 10:46 AM
quote:
Originally posted by V8 Thumper:
If you don't mind me asking, how much do Ebay 650 dp's go for?
~$100 Erik ------------------
1966 Ford Mustang 2+2
Mine - Restomod in Progress 1966 Ford Mustang Coupe
Dad's - Original Unrestored
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