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04-12-2008, 09:29 PM
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#1
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Join Date: Feb 2005
Location: west orange nj
Posts: 2,415
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from tbi to carb
i converted my 92 rs from tbi to carb now i cant get my car to start i put a mechanical fuel pump in i put gas in the carb the car starts but the pump isnt pumping any fuel i put in a glass fuel filter i allso cut a hole in the trunk with a air chisel to pull the eletric fuel pump out im a few steps away and im finished
Last edited by chrisfrom nj; 04-12-2008 at 09:29 PM.
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04-12-2008, 09:57 PM
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#2
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Co-Founder / Site Admin
Join Date: Jul 2004
Location: Ewing, NJ
Posts: 22,476
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Does the cam have a lobe for a mechanical fuel pump? I dunno if TBI cams did or not.
- Justin
__________________
1999 Camry - Beigemobile DD
2002 Suburban - Wife's DD
2004 Grand Cherokee - Not running / Project / Selling?
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04-12-2008, 10:08 PM
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#3
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Join Date: Jan 2007
Posts: 5,623
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wouldn't that have an OE roller cam????
__________________
2000 Tahoe Z71 5.7
1982 Z28 Pacecar 305
1999 S10 
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04-12-2008, 10:11 PM
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#4
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,165
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That could be the issue. Should have just put a regulator inline and kept the tank pump.
__________________
Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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04-12-2008, 10:16 PM
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#5
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Co-Founder / Site Admin
Join Date: Jul 2004
Location: Ewing, NJ
Posts: 22,476
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Quote:
Originally Posted by bubba428
wouldn't that have an OE roller cam????
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Yes. But what difference does that make? My '87 came with a mech. fuel pump and a roller cam....
- Justin
__________________
1999 Camry - Beigemobile DD
2002 Suburban - Wife's DD
2004 Grand Cherokee - Not running / Project / Selling?
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04-12-2008, 10:19 PM
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#6
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Join Date: Feb 2005
Location: west orange nj
Posts: 2,415
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Quote:
Originally Posted by Tru2Chevy
Does the cam have a lobe for a mechanical fuel pump? I dunno if TBI cams did or not.
- Justin
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the engine is a 350 it was changed by the previous owner
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04-12-2008, 10:19 PM
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#7
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Join Date: Jan 2007
Posts: 5,623
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that would make a cam very expensive
__________________
2000 Tahoe Z71 5.7
1982 Z28 Pacecar 305
1999 S10
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04-12-2008, 10:22 PM
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#8
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Join Date: Feb 2005
Location: west orange nj
Posts: 2,415
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Quote:
Originally Posted by BonzoHansen
That could be the issue. Should have just put a regulato inline and kept the tank pump.
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i had problms with the vats thats why i got rid of all the fuel injection stuff
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04-12-2008, 10:26 PM
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#9
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Co-Founder / Site Admin
Join Date: Jul 2004
Location: Ewing, NJ
Posts: 22,476
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Quote:
Originally Posted by chrisfrom nj
i had problms with the vats thats why i got rid of all the fuel injection stuff
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You still could have kept the in-tank pump and just installed a regulator. And then you wouldn't have had to attack your car with an air chisel.
- Justin
__________________
1999 Camry - Beigemobile DD
2002 Suburban - Wife's DD
2004 Grand Cherokee - Not running / Project / Selling?
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04-12-2008, 10:57 PM
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#10
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Join Date: Feb 2005
Location: west orange nj
Posts: 2,415
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Quote:
Originally Posted by Tru2Chevy
You still could have kept the in-tank pump and just installed a regulator. And then you wouldn't have had to attack your car with an air chisel.
- Justin
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it was fun with the air chizzle in the future the hole is going to get welded and a fuel cell will be installed
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04-12-2008, 10:58 PM
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#11
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Join Date: Feb 2005
Location: west orange nj
Posts: 2,415
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Quote:
Originally Posted by bubba428
that would make a cam very expensive
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i think the car had a cam it ran strong and idles rough
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04-12-2008, 11:09 PM
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#12
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Join Date: Jan 2007
Posts: 5,623
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then theres no way with out pulling the cam to tell if it has the loab
__________________
2000 Tahoe Z71 5.7
1982 Z28 Pacecar 305
1999 S10
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04-12-2008, 11:29 PM
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#13
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Join Date: Feb 2005
Location: west orange nj
Posts: 2,415
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im not going to pull the cam
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04-13-2008, 05:47 PM
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#14
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Co-Founder / Site Admin
Join Date: Jul 2004
Location: Ewing, NJ
Posts: 22,476
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Quote:
Originally Posted by chrisfrom nj
im not going to pull the cam
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Then you should just take off the mechanical pump now and install an inline electric pump. If it's a new pump and it isn't working, chances are good that whatever cam is in there has no provisions for a mechanical fuel pump.
- Justin
__________________
1999 Camry - Beigemobile DD
2002 Suburban - Wife's DD
2004 Grand Cherokee - Not running / Project / Selling?
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04-13-2008, 09:21 PM
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#15
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11 second club / Moderator
Join Date: Aug 2004
Location: West Berlin, NJ
Posts: 7,148
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The fuel pump pushrod goes in before the cam is installed right? I haven't messed with one for years, but you can't install or remove the rod through the side of the block right?
So the cam had to be pulled to install the mechanical pump. Right?
__________________
2001 Trans Am WS6 •SLP Loudmouth II •UMI Suspension •12.857 @ 109.57
1996 Trans Am WS6 •Pacesetter Longtubes •Strange 12 Bolt •Spohn Suspension •11.152 @ 123.85
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04-13-2008, 09:23 PM
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#16
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Join Date: Feb 2005
Location: west orange nj
Posts: 2,415
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i put in a new fuel pump push rod
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04-13-2008, 09:24 PM
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#17
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,165
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Quote:
Originally Posted by deadtrend1
The fuel pump pushrod goes in before the cam is installed right? I haven't messed with one for years, but you can't install or remove the rod through the side of the block right?
So the cam had to be pulled to install the mechanical pump. Right?
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dumbass, it comes out the side with the pump. 
__________________
Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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04-13-2008, 09:32 PM
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#18
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Join Date: Jan 2007
Posts: 5,623
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it just rides the loab
<wrong pic removed, lol>
__________________
2000 Tahoe Z71 5.7
1982 Z28 Pacecar 305
1999 S10
Last edited by BonzoHansen; 04-14-2008 at 05:35 PM.
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04-13-2008, 09:32 PM
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#19
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11 second club / Moderator
Join Date: Aug 2004
Location: West Berlin, NJ
Posts: 7,148
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Quote:
Originally Posted by BonzoHansen
dumbass, it comes out the side with the pump. |
are you sure, I remember on a motor once it was giving me crap and would not come out the side.
Thanks for the dumbass comment though! 
__________________
2001 Trans Am WS6 •SLP Loudmouth II •UMI Suspension •12.857 @ 109.57
1996 Trans Am WS6 •Pacesetter Longtubes •Strange 12 Bolt •Spohn Suspension •11.152 @ 123.85
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04-13-2008, 09:33 PM
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#20
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Power Member
Join Date: Oct 2007
Location: Milford NJ
Posts: 1,526
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Quote:
Originally Posted by chrisfrom nj
i put in a new fuel pump push rod
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did you use a bolt in the front of the block to hold the pushrod in place while you installed the pump? did you forget to take the bolt out? The pump wont work with the bolt left in...dont ask how i know this...
ive never seen a SBC cam without a mechanical pump lobe
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WENDIE 99
Last edited by //<86TA>\\; 05-04-2011 at 06:27 PM.
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04-13-2008, 09:34 PM
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#21
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Join Date: Feb 2005
Location: west orange nj
Posts: 2,415
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when i pulled the plate off there wasnt a pushrod for the fuel pump i ordered one when i ordered the fuel pump allso i need to know what fitting i need that will screw in the pump the reason why the fuel wasnt pumping is because the fuel line didnt seat right it was sucking up air i screwed it on all the way but the pipe was loose
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04-13-2008, 09:35 PM
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#22
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11 second club / Moderator
Join Date: Aug 2004
Location: West Berlin, NJ
Posts: 7,148
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Quote:
Originally Posted by bubba428
it just rides the loab
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no, theres a pushrod
__________________
2001 Trans Am WS6 •SLP Loudmouth II •UMI Suspension •12.857 @ 109.57
1996 Trans Am WS6 •Pacesetter Longtubes •Strange 12 Bolt •Spohn Suspension •11.152 @ 123.85
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04-13-2008, 09:37 PM
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#23
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Power Member
Join Date: Oct 2007
Location: Milford NJ
Posts: 1,526
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its some kind of inverted flare fitting on a stock pump, i have one for -6an somewhere...
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Washington Medical Marijuana
Last edited by //<86TA>\\; 05-04-2011 at 06:27 PM.
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04-13-2008, 09:37 PM
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#24
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Join Date: Feb 2005
Location: west orange nj
Posts: 2,415
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Quote:
Originally Posted by deadtrend1
no, theres a pushrod
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bubba thinks its a old 4 cyl import engine lol
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04-13-2008, 09:40 PM
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#25
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Join Date: Feb 2005
Location: west orange nj
Posts: 2,415
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Quote:
Originally Posted by //<86TA>\\
its some kind of inverted flare fitting on a stock pump, i have one for -6an somewhere...
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i tried to screw in the stock fitting it screws in but the pipe is still loose do you have a pic of the fitting
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