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Carb gas tank pickup

Old 08-12-2014, 07:58 AM
  #51  
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Re: Carb gas tank pickup

whats the least expensive regulator? i have all the stuff to put my stock TBI back on it and if im going spend close to $100 i'll just put the TBI back on. i have a free TBI pump from a cousin who went TPI in his TBI rs, just dont wanna drop the tank yet.
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Old 08-12-2014, 08:01 AM
  #52  
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Re: Carb gas tank pickup

Originally Posted by thebandit50187 View Post
whats the least expensive regulator? i have all the stuff to put my stock TBI back on it and if im going spend close to $100 i'll just put the TBI back on. i have a free TBI pump from a cousin who went TPI in his TBI rs, just dont wanna drop the tank yet.
Idk about cheapest, but this one by holley is only 30 bucks. Not a bad deal at all.

http://www.jegs.com/i/Holley/510/12-...qsnhoCWkXw_wcB
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Old 08-12-2014, 09:19 AM
  #53  
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Re: Carb gas tank pickup

Originally Posted by thebandit50187 View Post
ok i bought my car 92 firebird originally tbi, now is a 4 barrel carb. running off what i believe to be the stock TBI fuel pump with no return line. now my fuel pump when out or so i believe, once i test it i'll know for sure. but its been two or more months since ive driven it and really all i want is to drive for the next few months. i thought about buying a mechanical pump and rerouting the hose but will it pull through the in tank pump?

I would replace the in-tank pump, run a regulator and hook up the return line. This is one of the reasons your original in-tank pump went bad. Without the fuel circulation it'll get hot, killing the life of the pump.

A mechanical pump will not have enough suction to pull through a dead electric pump. One of the old pusher pumps, yes because my old 3psi pusher pump died and the mechanical pump did fine.

I'd run either a holley or mallory return style regulator that you can draw the pressure down to 5-7psi. My mallory unit ran $90.00 five years ago when I bought it.
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Old 08-25-2016, 04:42 PM
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I moved these posts out of the sticky because it's not related to the sticky topic.
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Old 08-25-2016, 05:03 PM
  #55  
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Re: Carb gas tank pickup

Thx. Which thread?

Last edited by topless87; 08-25-2016 at 10:05 PM.
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Old 08-26-2016, 06:10 AM
  #56  
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Re: Carb gas tank pickup

Originally Posted by thebandit50187 View Post
ok i bought my car 92 firebird originally tbi, now is a 4 barrel carb. running off what i believe to be the stock TBI fuel pump with no return line. now my fuel pump when out or so i believe, once i test it i'll know for sure. but its been two or more months since ive driven it and really all i want is to drive for the next few months. i thought about buying a mechanical pump and rerouting the hose but will it pull through the in tank pump?
come to find out its not running the stock pump at all, just an inline pump that a previous owner installed.
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Old 09-16-2016, 05:58 PM
  #57  
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Re: Carb gas tank pickup

Im putting a new carbed 350 in place of LB9. My car is an R7U code car and has the swinging fuel pickup in tank. Can I get away with leaving it in the tank, run it, with regulator and the cts filter that has a return to tank outlet. OR get separate inline pump to help mechanical and suck thru in tank swinger?
I'm thinkin that in tank swing pump will have to come out or gutted?
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Old 09-16-2016, 06:39 PM
  #58  
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Re: Carb gas tank pickup

I gutted my sons and am only running a mechanical pump and it works fine. I am running a high volume pump on his car and it is filtered before and after the pump. Its just what we do here. We don't run the computer at all and run all old school stuff...HEI, Q-jet or Holley and electric fans on the radiator. It makes things so simple again.
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Old 09-17-2016, 12:01 AM
  #59  
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Re: Carb gas tank pickup

Originally Posted by topless87 View Post
I gutted my sons and am only running a mechanical pump and it works fine. I am running a high volume pump on his car and it is filtered before and after the pump. Its just what we do here. We don't run the computer at all and run all old school stuff...HEI, Q-jet or Holley and electric fans on the radiator. It makes things so simple again.
Ya the 350 will be carbed. already has electric fan. Im doing it up old school the way u described. Darn I didn't want to drop the tank. Was hoping I could just suck thru stock pump. I've read thru this thread and no one really said u could unless I missed it.
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Old 09-19-2016, 11:37 AM
  #60  
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Re: Carb gas tank pickup

Works fine on my sons 500hp 355, but we have no restrictions in the fuel line just a high volume mechanical pump, but that is just us. Has worked for over 5 years.
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Old 10-11-2016, 01:57 PM
  #61  
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Re: Carb gas tank pickup

Originally Posted by RedLeader289 View Post
A mechanical pump is not enough to feed a carb'd engine on these cars, I tried to do exactly what you just described and it did not work (nor have I seen it work in anybody elses experience on here).

You need to either: A) replace the in-tank pump and route it through a regulator
or
B) install an electrical (out of tank) pump and route it through a regulator.
I'm not going to argue one way or the other but the fact is I have 2 '86 Z28's running on mechanical pumps, no problems at all and one is a 500hp 355. Runs strong and has never ran out of fuel. I use a high volume pump in the old school spot on the block and have yet to have a single problem. I also got rid of the computer so they both run older HEI's and Holley carbs for the record. Just my 2 cents.
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Old 10-11-2016, 06:04 PM
  #62  
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Re: Carb gas tank pickup

Originally Posted by topless87 View Post
........... run all old school stuff...HEI, Q-jet or Holley and electric fans on the radiator. It makes things so simple again.

AMEN!
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