what will i need to do if i switch out the 305 for a 350 bult chevy engine an a 350 tran what will i need to change ann update oh i am going carb also is there any good package i can go with to change from fuel inject to carb thank

 

Welcome aboard thirdgen.org.

There is no "package" for changing from EFI to carb. There is, however, a tech article about it linked from the thirdgen.org homepage.

 

howdy there

you have a couple different options/ways to do this

and both are pretyt easy

either find a dirt common 87 and 88 carb intake from a caprice, van, monte, etc and swap that intake on your 92 engine

or swap the heads for 86 and older ones and run any carb intake before 87

the heads changed in 87 the center four holes in the heads for the intake changed the angle alot

so thats is why 87 and up wont go with 86 and down

but some 87 and 88 were still carb depending on the year make model

i know alot of the 88 caprices are carb still

and some others

i owned an 88 caprice landau LG4 not too long ago,

common as heck

good donor for the intake to run carb on the 87-95 engines


Q jet only

unless you run an adapter to use edlebrock or holley, etc



but those suck alot more fuel down than the Q jets did

by far

swapping from FI to carb is one of the easiest simplest conversions you can possibly encounter in the world of SBC and BBC engines


and evne more so if you dont plan on using the ESC/EST system and have no emissions equipment inspections or testing there


if not then you can completely remove the entire large wiring harness on the pass side of the engine compartment and the ECM behind the pass side kickpanel

but then you will hve a large hole in the firewall cowl where it ran through to patch up haha


as i do in my 82 t/a LG4

on the 85 elkyss we are restoring completely and jut painted yesterday we retained the entire ESC system after completely rebuilding the engine and boring it .030 over and putting in a 350 camshaft

it runs STRONG

not even the check engine light comes on

its PERFECT


good luck!

 

i wanted to go with a older engine 72 350 i wanted to put a edelbrock intake an carb set up on it an how will i hook up the fuel pump because the pump is in the gas tank. oh will it be hard to swap out the 700r tran for the 350 tran an will i need to rewire the starting system like the dist. an the alter. an starter

 

i wanted to go with a older engine 72 350 i wanted to put a edelbrock intake an carb set up on it an how will i hook up the fuel pump because the pump is in the gas tank. oh will it be hard to swap out the 700r tran for the 350 tran an will i need to rewire the starting system like the dist. an the alter. an starter

 

are you working on a caprice ?

im confused here


if the fuel pump in the tank was running a TBI engine then you could get away with connecting it to the carb sure

but if it was TPI or CFI or something else then youll need to convert it to mechanical pump and drop the fuel tank and eliminate the electric pump and replace it with a length of hose so that it can suck fuel out of the tank still without the pump on the pump hanger assembly


real easy



700r4 for a th350 is simple too although the th350 mount is further front than the 700r4 are

so you need to move the crossmemeber or make a 1.5" wide relocation plate for the mount


sumit racing has them in the B&M bracket kits

just a flat pice of steel with four holes on it

simple as well




the HEI just takes one wire for key on and off power

and the starter is same wiring

alternator same too although if you run an older style alt you just have to chwnge the wire ends ot the older style, thats all

simple as well


wont need the ECM and ECM harness either,

just remove it


why dont you jut run TBI in it ?

be alot simpler

and save $ and time

TBi is dirt common


good luck

 

can i get your number are email address thanks