witch LT1
06-04-2005, 03:54 PM
#1
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Car: 1992 camaro
Engine: LT1
Transmission: 4L60E
Axle/Gears: 3:73
witch LT1
I'm going to swap a LT1 in a 92' camaro it's got a 305 in it. I've read up on it and was wantting to know:what is the diffirence between the obc l or the obc ll if i rember it right .and to you guy's that have done it what year(s) are the best ???
06-04-2005, 04:56 PM
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Car: Camaro RS/SS
Engine: 5.7 LS1
Transmission: 4L60E Transgo shift kit, 3500 stall
Axle/Gears: 4th Gen Rear 3:42
Hey Chevyowner02, Its called OBDI or OBDII, The OBDI came in cars that are 95 and down and OBDII came in cars 96 and up. OBDII Just has more options to mess with and see more things going on in your engine and OBDI is just the opisite. And i heard that the 94 and 95 LT1 are the best for swap cause they dont have OBD II.
06-04-2005, 05:49 PM
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Car: 1986 Irocz- Houstons Fastest Street
Engine: 408 LS1 w/ 2 stage
Transmission: Turbo 350
Axle/Gears: 3:73,3850 lbs , best of 9.92 @ 138
odbII has the 02 behind the cat to monitor if the cat is there. it also does not like cams very much and is a little less friendly to mods. your best bet is a 95 lt1
06-04-2005, 08:40 PM
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Car: 1987 GTA
Engine: LT1
Transmission: T56
Axle/Gears: 9 bolt 3.70 posi
Get the '95 model, vented opti, OBD-1 (but use an OBD-2 connector), the opti is pin driven also instead of spline driven like the '93-'94's are. '96 was the first year for OBD-2
06-04-2005, 09:41 PM
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Car: 1992 camaro
Engine: LT1
Transmission: 4L60E
Axle/Gears: 3:73
Thanks alot guys you all really cleared it up for me. Another question dose anyone know if painless makes a harness to make the rest of it work and what did you do for the wiring on you'r bird?
06-04-2005, 09:43 PM
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Car: 1987 GTA
Engine: LT1
Transmission: T56
Axle/Gears: 9 bolt 3.70 posi
I used the wiring harness that come with the LT1 and spliced in the wires needed for the gauges, two wires for the injectors, and two wires for the PCM.
06-04-2005, 11:14 PM
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Car: 93 240SX
Engine: LQ9
Transmission: T56
Axle/Gears: 3.54 R200 IRS
The painless is nothing more than the stocker with the connectors cut off and wires labeled, you'd be better off with the stock harness.
I'm also working on new wiring harnesses to make this a plug and play swap, and a better fit and finish than splicing the two together.
I'm also working on new wiring harnesses to make this a plug and play swap, and a better fit and finish than splicing the two together.
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06-05-2005, 04:05 PM
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Car: 1987 GTA
Engine: LT1
Transmission: T56
Axle/Gears: 9 bolt 3.70 posi
If it's a TPI car (which according to the car you listed in your profile it is), you can use the stock cable.
06-12-2005, 10:24 PM
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Car: White 25th Anniversary RS
Engine: lt1
Transmission: t56
Axle/Gears: 4:10
If it's a TPI car (which according to the car you listed in your profile it is), you can use the stock cable
06-13-2005, 06:25 AM
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Car: 1987 GTA
Engine: LT1
Transmission: T56
Axle/Gears: 9 bolt 3.70 posi
No, the MPFI cable won't work, this is what I had in my car and had to swap it out, the end that goes on the throttle body is different, at least the 2.8 one is.
06-13-2005, 06:10 PM
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