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92 5.7 liter engine

Shaners

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kewlbrz Enthusiast

kewlbrz

Posted
Posted

I have a 92 5.7 liter engine.  When (what year) was this engine ( i think L05) introduced in the truck line.  When was is removed from the truck line and what replaced it?

I am also interested about head changes over the years.

could someone educate me on Chevy trucks from 92 on up :)  The more detail about the engine and tranny the better.

thanks

Frank S Senior Enthusiast

Frank S

Posted
Posted

I'm pretty sure that engine debuted in the 1987 1500's,the last year of the body style before yours.

It was replaced in 1996 by the vortec version of the 5.7l 350.

Shaners Senior Enthusiast

Shaners

Posted
  • Author
Posted

I would think that if you have the Auto tranny it would be the 700R4.  This tranny is OK with proper maintenance, and should last 150K.  It is a 4-speed OD tranny with locking torque converter.  If you do any towing make sure there is either a factory or aftermarket tranny cooler installed.

The 350 (5.7L) in your truck has throttle body fuel injection.  It looks like a carberator but actually has an injector in there that mists the fuel with the air, and then this mixture is spread thru the intake to the cylinders.  It's not the most state-of-the art by todays standards but has proven to be very reliable.

BIG BLUE Enthusiast

BIG BLUE

Posted
Posted

Shaners,

I think the last year for the 700-R4 in the C/K trucks was 90.  Starting in 91 the 4L60-E (in the 1500's)and 4L80-E (in the 2500's) was introduced.  These are the updated versions.  That is for the auto trannys.

The manuals changed in 92 (if memory serves) from the Getrag 4 or 5 speeds to the NVG 4500 or 5Lm60 w/OD.

HTH,

BIG BLUE

Shaners Senior Enthusiast

Shaners

Posted
  • Author
Posted

Thanks for the correction BigBlue.  I was taking a stab at it because I wasn't sure when the 700R4 was faded out...

BIG BLUE Enthusiast

BIG BLUE

Posted
Posted

Tom,

Weird, I have a 92 with a 4L60.  Since the 4L60 replaced the 700R4, must be a few here and there in the first couple of years in 91-92?

BIG BLUE

Pastmaster Enthusiast

Pastmaster

Posted
Posted

The First year for the 4l60e was 1993.  The first year for the 4l80e was 1992.  The 4l60e replaced the 700R4, and the 4l80e replaced the TH400.  

Our 92 GMC suburban 1500 4x4 had a 700R4, and a friend's 93 Chevy suburban 1500 4x4 had a 4l60e.  My father's 92 Chevy had a 700R4 too.

MountaineerTom Senior Enthusiast

MountaineerTom

Posted
Posted
Quote: from BIG BLUE on 3:19 pm on Aug. 30, 2001

Tom,

Weird, I have a 92 with a 4L60.  Since the 4L60 replaced the 700R4, must be a few here and there in the first couple of years in 91-92?

BIG BLUE

 

Yeah, I'm sure there are some different trannys mixed in there during certain years.  I wasn't sure which one I had either until I asked the dealer and they told me.

When I had that truck, I had a friend that had a '93 (I think, maybe '92) Sierra with the 4L60E.

gmcblu Enthusiast

gmcblu

Posted
Posted

Pastmaster is right.  1993 was the first year for the 4L60E.  See sig.  (I'm sure there were some 4L60Es that found their way into late '92s, too.)

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