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88 chevy 1500 350 motor mods

  
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88 chevy 1500 350 motor mods

 
Kaleb Kaleb
New User | Posts: 1 | Joined: 08/05
Posted: 08/25/05
06:46 PM

I am planing to hop up my motor and want an opinon on my plan. I am planing to put mid 90's vortex heads on an aftermarket intake a mild cam and a accel ignition with headers and a dual exuast.  I want to know if the stock throtle bodie fuel injection will work and if I need to make any other changes to make this work, or if there is a better plan for the same amount of money.  I am open for any sugjestions or tips that will be helpfull In my plan.  I ask because I am new to the fuel injection world and don't know the finner details.  Also is there is a easy way to convert this to carborated with out changing the entire fuel system.  Thanks for any help, Kaleb  

 
shawnexley shawnexley
New User | Posts: 3 | Joined: 08/05
Posted: 08/25/05
06:57 PM

hey kayleb  the standard throtle bodie wont work you will need a stand alone style set up  like the holly 950 fuel injection system  but i am allso curently working on a similar project  not sure if it will work but here it is i am putting two thortle bodies on my truck with two seperate computers  one will be on a switch so i can shut it off when need be  here is my project chevy 400 with elderbrock heads  custom built intake {by yours truly} with headers and a mild cam hope this helps  

 
SnoMan SnoMan
Addict | Posts: 5783 | Joined: 05/04
Posted: 08/25/05
07:47 PM

A 950 CFM would be a complete waste. A TBI with a flow rate of around 600 to 650 CFM would more than do it. Bigger is not always better.  

 
quyonmob quyonmob
Enthusiast | Posts: 438 | Joined: 08/03
Posted: 08/26/05
04:33 PM

Isnt the factory TBI unti for an early 90's small block v8 already around 600cfm?  

 
SnoMan SnoMan
Addict | Posts: 5783 | Joined: 05/04
Posted: 08/26/05
08:02 PM

No it is closer to about 450 CFM. Big Block TBI is around 600 CFM.  

 
quyonmob quyonmob
Enthusiast | Posts: 438 | Joined: 08/03
Posted: 08/28/05
06:01 AM

ah, thanks.  

 
shawnexley shawnexley
New User | Posts: 3 | Joined: 08/05
Posted: 08/29/05
05:03 PM

HEY SNOMAN  950  IS ITS MAXIMUM CFM IT IS A STAND A LONE UNIT SO YOU CAN CHANGE THE  THE SETTINGS AT WILL   IF YOU NEED TO KNOW MORE ABOUT IT  LOOK IT UP A SUMMIT RACING .  

 
SnoMan SnoMan
Addict | Posts: 5783 | Joined: 05/04
Posted: 08/29/05
05:40 PM

Bigger is not better with TBI. You can orsive a TBI unit just like a carb and loose low end and midrange power because you want to have enough pressure drop and flow velocity through TBI unit (like a carb) to properly mix the air and fuel.  

 

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