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87 silverado engine change

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  #1  
Old 04-23-2007, 06:23 PM
jpete's Avatar
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Default 87 silverado engine change

I replaced my 350 tbi with a carburated 305. what do I have to change on the fuel system to adapt it to the carburator?
 
  #2  
Old 04-23-2007, 08:21 PM
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Default RE: 87 silverado engine change

Wow..never seen anyone revert back to carb..

The pressure will be too high...13 psi will probably just blast past the needle valve.
 
  #3  
Old 04-24-2007, 12:47 AM
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Default RE: 87 silverado engine change

i would imagine gut the fuel pump. and cut down on the computer and youll be alright
 
  #4  
Old 05-14-2007, 04:15 PM
Join Date: May 2007
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Default RE: 87 silverado engine change

im doin the same with my 1989 , but i have a 350 ... i was told just to put the mechanical pump on the motor and it will regulate it for you , but another friend told me that there would stillbe probleums with the intank pump ... so i guess youll either have to buy a regulator or remove the pump and just use the mechanical ...ill post my results after i get done with my swap this weekend ...
 
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