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305tbi to 350 tbi swap

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Old Jan 29, 2001 | 06:15 PM
  #1  
pblmch's Avatar
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305tbi to 350 tbi swap

im going to swap the stock L03 305 in my 91 rs to a 87 L05 350, both are tbi, are there any special things i need to address, i have the entire computer and harness from the L05,but will my factory harness work with out changes or do i have to change the entire harness? or just the ECM? or just the prom?

[This message has been edited by pblmch (edited January 31, 2001).]
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Old Jan 31, 2001 | 10:29 AM
  #2  
Z28 Boy's Avatar
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From: Charlotte, NC
Car: 1991 Camaro RS
Engine: GMPP 350 HO w/TBI
Transmission: 700R-4
Axle/Gears: 10-bolt w/3.73s
i would just keep your harness, and put all of your parts on the 350.

what are you doing about a throttle body? hopefully you plan on getting a high flow one like the holley 670 cfm one. you should be able to use your existing harness unless something is wrong with it. it will be a LOT easier that way.

also, what accesory brackets do you plan to use? again, i owuld recommend staying with the ones youhad off of the L03.

if you have any questions check out my website, or email me at the address below.

-brian

------------------
1991 Camaro RS - Ultra Blue Metallic, T-Tops
----------------------------------------------
GM 350 HO Crate Engine - Vortec Heads, Edelbrock Performer Vortec Intake, Holley 670 CFM Throttle Body, Open Air Cleaner w/14"x3" K&N, SLP 1 3/4" Stainless Headers, Edelbrock Victor Series Water Pump, March Unerdrive Pulleys, MSD 6AL, Blaster Coil, 8.5mm Super Conductors, Cap and Rotor, Hypertech Fan Switch & Thermomaster Chip, AC Delco Rapidfires, 3" Cat Back, Flowmaster 40 Series Muffler
700R4 - 2,400 Stall Converter, Vette Servo, Shift Kit, B&M Super Cooler
GM 10 Bolt -coming soon Auburn Pro Series Differential, Richmond 3.73s
Brian's 1991 RS Central NY F-Body Association
Join the Third Generation F-Body TBI Web Ring
z28boy@twcny.rr.com IM name: Z28 Boy

[This message has been edited by Z28 Boy (edited January 31, 2001).]
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