INTRODUCTION

[Mike Swayze]

are you familiar with the 77 caddy-350 olds setup? if you are could you
enlighten me?

At 07:03 PM 11/3/1999 -0500, you wrote:
>Mike Swayze wrote:
>> 
>> how new are these trucks?
>> I am hoping to be able to scrounge most of the parts and am only beginning
>> to get an idea of what I will need.
>> I gleaned this from the net:
>>      TPI intake
>>      TPI plenum and runners
>>      Throttle body
>>      MAF sensor, intake hose, filter case
>>      Injectors (19 lb/hr for 305, 22 lb/hr for a 350)
>>      Oxygen sensor (if your's doesn't already have one)
>>      Knock sensor (if your's doesn't already have one)
>>      Intake air temp sensor (goes in plenum underside)
>>      EGR solenoid
>>      Coolant temperature sensor
>>      Cold start injector sensor
>>      Electronic Control Module (ECM or computer)
>>      Re-route EGR and charcoal cannister ported vacuum as per TPI setup
>>      A/C bracket to TPI intake (upside-down U-shaped bracket)
>> 
>> I had talked with BDS about bank to bank and ballpark figures costwise wer
>> in the 3-7g range.
>> I would  hope scrounged parts would put me under 1g.
>> any ideas on specific later vortec sefi part# or manuals regarding such.
>8 cyl Vortec is different from (early)6 cyl Vortec, and big block
>Vortec is different from small block Vortec.
>(early) 6 cyl= cpi, one "injector" solenoid providing fuel to 6 poppet
>nozzles.  Needs >55 psi fuel pressure to operate, and very troubled in
>the early years.  Batch fire all the way.  
>
>I believe small block Vortec ( I've only seen a few) has 6 solenoids,
>centrally located, and 6 poppets.  It is definitely sequential, and is
>mounted in a composition type intake manifold.  This type of intake
>was offered for sale on Ligenfelter's used parts page, but they
>wouldn't give me any information about it.  Where/how would one get
>larger injectors?
>
>Big block Vortec is more traditional in appearance, having external
>rails and injectors.  Fuel does not circulate through these rails, but
>is returned through the regulator mounted just prior to the inlet. 
>Aluminum intake, machined for injectors.
>
>Vortec big block was introduced in MY 95 or 96, and Vortec smallblock
>was introduced in 96 model year.
>So, which Vortec system are you considering?
>Shannen
>
>