Can anyone tell me what these two chips are from?

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12-09-2014
scottyd

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Can anyone tell me what these two chips are from?

I have two chips that came with all my TBI stuff for my conversion. The guy i bought it from said one chip was from a 4.3 v6 and one was from a 5.7 v8 both m/t pickup truck... I really dont think this is the case. I have tried the lookup page but it doesn't seem to return info.

One has BHAN lettering the other has BJYN (supposed 4.3) lettering.. The BJYN runs, but poorly.. looking at the data logs from tuner pro I think its for a v8 as the idle is crazy fluctuate even though the engine is running somewhat smooth, like its missing a couple of cylinder counts.. IDK..could be a mismatched bin file ect.. Can anyone confirm what these chips are from?

My ecm is a 16196395
12-09-2014
Six_Shooter

BHAN - 1993 5.7 Auto
BJYN - 1995 5.7 Man - listed for a 16197427 PCM.
12-09-2014
scottyd

Ok, that explains A LOT, thanks a million! Where can i find this info at myself?
12-09-2014
Fast355

Quote:

Originally Posted by Six_Shooter

BHAN - 1993 5.7 Auto
BJYN - 1995 5.7 Man - listed for a 16197427 PCM.

I can tell you first hand the BJYN is a 5.7/4L60E 1995 G-van
12-09-2014
Six_Shooter

Quote:

Originally Posted by Fast355

I can tell you first hand the BJYN is a 5.7/4L60E 1995 G-van

Could you be thinking of BJYM? BJYM comes up as auto.
12-10-2014
brian617

I'd really like a copy of that BJYN if it were truely a 95 5.7 manual .BIN, but I doubt it is.
12-10-2014
Fast355

Quote:

Originally Posted by brian617

I'd really like a copy of that BJYN if it were truely a 95 5.7 manual .BIN, but I doubt it is.

Its a 5.7/4L60E Auto 1995 G-van

I have 2 or 3 of those memcals in my garage.

BJYN = LD 350 TBI, 4L60E w/PWM, 3.42 gears, G10-G20 van
12-10-2014
Fast355

Quote:

Originally Posted by Six_Shooter

Could you be thinking of BJYM? BJYM comes up as auto.

IIRC BJYM is for 3.73s

I know for a fact BJYN is a G-van with a 350/4L60E/3.42