ky_black_ss

iTrader: (7)

i just got a 4.8 with harness and computer came out of a 4x4 truck i plan on putting it in my 93 2wd blazer been searching alot on different forums will a 4l60e from my 4.3 work on the 4.8 i really dont want to buy a new trans since my has just been rebuilt with a shift kit better clutches any input on the swap or trans would be most appreciated

RonSSNova

iTrader: (3)

Should work as the 4.3 had the same bellhousing pattern as the small block.

Ron

ky_black_ss

iTrader: (7)

that's what I was thinking just have to use the crank spacer

Boggies69

I'm doing basically the same swap into a '02 blazer, transmission guy tells me that because I'm using an '02 4l60e, that it will work perfectly. Also, using the 4.3 stock converter is a slightly higher stall, so it should work well with the drop in came with the little head work I'm getting done...

Older versions of the Trans, say...your '93, will need the spacer from what I've been told...

Good luck, I'd like to see how that build goes for you...mine is, well, becoming very expensive...very fast, lol!

Bowtie316

iTrader: (1)

The other thing you will have to do with the trans is have the tune changed to command 100% lockup, or you will burn out the lockup clutch. The 93 transmission was either locked or unlocked, and the 4.8 would use the PWM lockup converter which allows them to slip.

Isolde

iTrader: (4)

I have a '97 305's 4L60E behind my '01 4.8L LSx, using the 6.0L flexplate that came with the spacer and longer bolts in the box. My tuning guy had no problem with making the older trans work, though I've yet to drive it. I used the torque converter from a '99 S-10 Blazer 4x4, and the sticker on the converter confirmed the desirable 2075-RPM stall. Should give 1900-2200 for what I'm trying.
Everything bolted together fine, the starter and the flexplate match up well even with the spacer.
My S-10 is an '87 2WD that had the 2.5L, looks like I'll need to change the steering shaft to get any exhaust manifold to clear.