This is great info...you have probably forgotten more than i know!
Quote:
Originally Posted by hugger6933
The 4L60E was brought into the truck market by gm for the 93 model year. I built those trucks,well rebuilt them and kept up with every little change they made as I had tons of parts to know what would change into what model. The3/4 ton and 1 ton Diesel version of the C/K trucks had the 4L80E in the early 90's with a stand alone computer. If one of those could be found and rechipped or reflashed [I don't know what kind it was so I don't know what term fits] to fit your application. These trans are as tough as they come, they are similar to the turbo 400 with decades of updated knowledge put into it as well. It is heavy and the gear splits are a little different for your regular street truck without a ton of motor.If you were to get a 4L80 E get one with the cooler lines spread apart from each other with them both in line. the other is one on top of the other like the older trans we are all use to. The "spread "cooler lines trans is a newer design and has all of the later factory upgrades. and the 700R4 The newer core you can get here the better off you will be as well, the model year 89 and up had a newer pump and valve body making it better. It[the 700 really got better each year ]. The 4L60E is a good one as well the removable bellhousing started in model year 96 and it has a newer design valve body from what I have been told but you must be careful there as the trad v8[350smallblock]and LS motor have similar bolt patterns the LS has a center bolt that some may ignore . The torque is different lengths on the old vs. new V8's ,and old converter on a newer engine will pour oil EVERYWHERE!! [don't ask how I know] wasn't me but it did happen in my shop. Also if you put a newer converter on a older engine it will go but the holes may be off and spacers for the hub will be needed to keep it seated in the trans oil pump. Jim
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