LT-1 Basic Question

kenkelly at lucent.com kenkelly at lucent.com
Tue May 26 17:38:25 GMT 1998


Bob,
	I think several of the impala engines used two Knock
sensors. One on each side of the engine. The Camaro &
Corvette only use one knock sensor on the Passenger side. I
believe you must match the knock sensor and the computer,
but you can just replace the knock sensor with one that
matches the PCM. also each year GM added anothe sensor to
the engine, so The harness must match the sensors you use. I
know 94 added the MAF, and 96 added the Crank position
sensor and aftercat O2 sensors.

		Ken

Dupree, Robert A. wrote:
> 
> Iron heads on the engine yes.
> 
> I am really beginning to think this engine came from an Impalla..
> 
> The guy I bought the engine from told me it came from a Camaro.  But since
> the engine wiring harness was not with it as he said I have been hounding
> him for one.  I think he will be sending me the harness off of another '95
> Camaro that he is pulling himself.  Will this work with the Impalla engine?
> 
> BD
> 
>                 -----Original Message-----
>                 From:   Wayne Edelen [mailto:wayne at clark.net]
>                 Sent:   Tuesday, May 26, 1998 9:02 AM
>                 To:     DIY_EFI (E-mail)
>                 Subject:        Re: LT-1 Basic Question
> 
>                 On Mon, 25 May 1998, Dupree, Robert A. wrote:
> 
>                 > In the continuing quest to identify the engine I have I
> need to know:
>                 >
>                 > Are all LT-1's 4-bolt mains?
> 
>                 Nope.  B-Body (Caprice/Impy/Roadmaster) iron head LT-1s and
> F-Body
>                 (Z28/Formula/TA) aluminum head LT-1s got 2 bolt mains.
> 
>                 AFAIK, the only LT-1 w/4 bolt mains is the Y-Body (Vette).
> 
>                 > Just so I'm clear the "mains" are the metal caps that hold
> the crank against
>                 > the engine, right?
>                 >
>                 > My engine only has two bolts in each cap...
>                 >
>                 > The Plot Thickens...
>                 > Bob Dupree
> 
>                 Yours is the one with iron heads, right?
> 
>                 ----
>                 Wayne Edelen - http://www.clark.net/pub/wayne
>                 1996 Pontiac Firebird Formula  - Purple/Graphite
>                 AFR heads, 224/236 cam, Borla, 58mmTB, '95 MM ECM
>                 AS&M cold air, LT4 timing chain/gears and other stuff  :)




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