How To: Ditch EFI and keep TBI PCM for 4L60E Control.

[siggy_freud]

Yeah, but if I have a 4L60E already, would it make sense to get another tranny?

I'll probably just end up waiting and doing it at once, but this thread got my curious .

 

[MOBS]

Yeah, but a good 700 is alot cheaper than the $800 standalone controller

^this comment prolly doesn't make any sense, i'm brain tired

 

[siggy_freud]

True. I think I'm actually going to build a megasquirt controller for it.

Now I just need to figure out how to get the 4L60E to mount up my 1971 block.

 

[MOBS]

It should mount right up, mine's also a 71 block and a 4L60 will bolt right up to it. The sbc and bbc bolt patterns are the same, bellhousing thickness is the only difference.

 

[FastOrange]

How is this transmission workaround working out for everyone? I see the OP is now using a TH-350. Any particular reason?

I'm going to be doing an LS1/4L60E swap into an old Camaro. If I can wire up a TBI computer to work it, I'll do the tranny first and delay the Engine for 6 months, but wouldn't want to do so at the cost of burning out the transmission.

Alternately, I might just live on the TH-350 if going to overdrive before the LS1 swap means I'd have to drop 800 on a standalone controller.

Stock 4L60E couldnt handle 400HP

 

[MOBS]

Good point, didn't think to point that out, lol.

 

[siggy_freud]

Guess I'll have to plan on rebuilding it before I get the LS1 finished up and in.

 

[MOBS]

Do a 4L80!!!

 

[siggy_freud]

Already have the transmission. Either way I'll need an adapter. LS1 4l60E won't bolt to a Gen1 without it, and the Gen1-3 transmissions won't bolt to the LS1 without an adapter.

I don't believe the 4l60 was any stronger than the electronic version. Perhaps cheaper to rebuild, but not too worried. I wont' be making crazy power anyways. Don't need it on a car that weights under 3k lbs.

 

[MOBS]

Already have the transmission. Either way I'll need an adapter. LS1 4l60E won't bolt to a Gen1 without it, and the Gen1-3 transmissions won't bolt to the LS1 without an adapter.

I don't believe the 4l60 was any stronger than the electronic version. Perhaps cheaper to rebuild, but not too worried. I wont' be making crazy power anyways. Don't need it on a car that weights under 3k lbs.

Don't need it? Pffft, can never have too much power! Take my 468-powered 71 nova as an example....oh wait, that's a whole different breed