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Author
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Topic: Bad surging issue!
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Pure Stang
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Member # 7251
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posted
 
 
The other day I installed a electric fan in my car. My car surges usually in the morning then goes away. After I installed the fan when I turn on the fan car surges bad then shuts off unless I give it gas. I noticed when I turn my fan on my fuel pressure reads higher (find that weird). My alternator is fine is a upgraded one... What can cause bad surging?
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HEART BREAKER
R.I.P Willie Guzman (5ltrsvt) you will be missed brother.
04/24/87 - 11/23/2012
90 lx 347 RIP
86 gt
89 lx- next project
Posts: 6497 | From: San Jose | Registered: Nov 2006
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5.0 LsX
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Member # 10017
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posted
where did you tap in the power for the fan? using a relay?
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91' Notch
Posts: 1260 | Registered: May 2010
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Pure Stang
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Member # 7251
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posted
Getting power directly from the battery. No relay. On and off switch with a fuse.
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HEART BREAKER
R.I.P Willie Guzman (5ltrsvt) you will be missed brother.
04/24/87 - 11/23/2012
90 lx 347 RIP
86 gt
89 lx- next project
Posts: 6497 | From: San Jose | Registered: Nov 2006
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Pure Stang
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Member # 7251
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posted
Hmm now the fuse blew out. This fan is too much hassle lol. I'm going back to the old fan. Anyone want to buy a electric fan haha.
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HEART BREAKER
R.I.P Willie Guzman (5ltrsvt) you will be missed brother.
04/24/87 - 11/23/2012
90 lx 347 RIP
86 gt
89 lx- next project
Posts: 6497 | From: San Jose | Registered: Nov 2006
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NEIGHT
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Member # 8741
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posted
That's weird I wired mine straight off the battery no fuse. lol I have that lil temperature sensor thing that's how I get it to go on no problems.
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-Savage Habits-
1992 Summer Edition
1986 Hatch- catfish killer
1964 Impala hard top
Posts: 18530 | From: EA$T $IDE REDWOOD CITY | Registered: Nov 2008
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Marks93
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Member # 11130
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posted
quote:
Originally posted by Pure Stang:
Hmm now the fuse blew out. This fan is too much hassle lol. I'm going back to the old fan. Anyone want to buy a electric fan haha.
Smart move! I've never even considered an electric fan. I hear too many issues happening with them. I'm sticking with the good ole reliable mechanical fan! Not worth the hassle to switch for what....5 hp gain??
...but that's just my 2 cents.
Posts: 824 | From: Earth | Registered: Jul 2011
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5.0 LsX
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Member # 10017
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posted
Definatly worth it as long as it is installed correctly. Get a relay before you start melting your wiring or burning up parts
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91' Notch
Posts: 1260 | Registered: May 2010
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NEIGHT
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Member # 8741
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posted
BTW you shure you wired the fan correct? Kuz if you wire it wrong it can fuck shit up quick.
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-Savage Habits-
1992 Summer Edition
1986 Hatch- catfish killer
1964 Impala hard top
Posts: 18530 | From: EA$T $IDE REDWOOD CITY | Registered: Nov 2008
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triple b
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Member # 8763
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electric fans are good thats why how many fords have them factory installed? just wire it correctly radio shack has the roght relay go for the biggest one there its a 70amp and has only failed once on me in 3yrs
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1988 4cyl conv 306 HCI "sasha"
2004 tahoe
Sold- 87 GT, 72 chevelle, 63 biscane, 82 monte carlo, 73 nova, 88 silverado,
Posts: 1730 | From: sacramento ca | Registered: Nov 2008
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dvuspny
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Member # 10949
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posted
Spal fan relay harnesses. ....Like $40.~
more than likely in addition to not being installed in the best safe manner; You may have a bad or low cell in your battery. Lots of time when the battery is of low quality....or not inspected often to maintain the battery water or acid level....you have a low fluid level in that or those particular cells and the lead cannot cool sufficiently. Also the charge and discharge rate is very poor. Decalcification of the lead plate begins. Battery is soon kaput!!! The battery cannot supply the amperage loads it use to....
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* -DV8- from the just the "norm." *
DVUS MOTORSPORTS ALBUM - http://s1193.photobucket.com/albums/aa349/Dvus_Motorsports/
Posts: 1221 | From: ~BAY AREA~ | Registered: May 2011
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Duncan Motors
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Member # 7045
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posted
the fan draws some amps. if u got underdrive pullys your alt may not be spinning fast enough to provide those amps needed by the fan, thus why it goes away when u give it gas to spin the alt faster. put a smaller alt pully on should speed it up to charge better thus fixing your prob. gd luck.
Posts: 6310 | From: Vallejo | Registered: Sep 2006
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