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Old 10-29-2016, 06:29 AM
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Motor swap

Greetings all,Im new here,but am a older rodder with a question, how difficult would it be for me to swap my 1992 caprice L98 for a 94 caprice LT1 ? Am I setting up myself for a hard time,or is there some advice some of you can share with me?

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Old 10-29-2016, 06:41 AM
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Welcome to Hotrodders.

I moved your thread tech question from the Introduction forum.

The Introduction forum is for introductions only. Thanks
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Old 10-29-2016, 06:47 AM
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I was thinking the 92 should have an L05 motor originally, which would be a TBI motor.Tell us more about what you actually have in the 95.The swap shouldn't be too bad as long as you have the ECM & harness with the LT1.You will need the proper fuel pump for the LT1.
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Old 10-29-2016, 08:12 AM
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LT1 swap

Did an LT1 into a 33 Willys some years ago and really liked it. Motor mounts are the same as any old SBC and no distributor to firewall problems. I used an '88 Camaro in tank pump which is cheap and every parts store has it on the shelf. If it's been setting for a while have the injectors cleaned, reflash the ECU to delete VATS, EGR and match your gears/tire size. Down side is the optispark. Do yourself a favor BEFORE you install the engine and change it out along with the water pump. Very clean looking engine with the valley covers, gives good HP too.
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Old 10-29-2016, 09:15 AM
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Quote:
Originally Posted by jokerZ71 View Post
I was thinking the 92 should have an L05 motor originally, which would be a TBI motor.Tell us more about what you actually have in the 95.The swap shouldn't be too bad as long as you have the ECM & harness with the LT1.You will need the proper fuel pump for the LT1.
Thanks for getting back to me about this,and yes it is a TBI motor,and the engine I want to switch with is a 1994 LT1,different electronics and fuel pump,but not a biggie if I can "plug and play"with the harnesses.
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Old 10-29-2016, 03:26 PM
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All of your guages should work fine.The vss may have a different pulse rate for the Speedo.The 92 would have likely been a 4L60, while the 94 will have the 4L60E. That is gonna cause you some issues within the ECM as well, becuz it will be looking for those trans inputs.This will have to be dealt with.
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Old 10-29-2016, 04:34 PM
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if you end up with a 94 or 95 pcm, free tuning software can be found here: Tuning Software – fbodytech
would only need to buy a cable to connect diagnostic port to laptop...
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Old 11-01-2016, 08:09 AM
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Actually,Im swapping the LT1 from a 94 wagon to a 92 wagon,both engines are 5.7 litre.I figured I will have to swap the fuel tanks as well. Now for another hypothetical question,I am the proud owner of a sb400,and its ready for a overhaul.the ? is this,could I put the TBI on the 400 and put that in my 1992 wagon?
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Old 11-01-2016, 08:46 AM
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Motor swap

When mixing and trying to match fuel injection controls things start to get very cloudy. Because of the C.I . increase I would recommend using something like Megasquirt to run the TBI.
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Old 11-01-2016, 09:11 AM
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Quote:
Originally Posted by B body bum View Post
Actually,Im swapping the LT1 from a 94 wagon to a 92 wagon,both engines are 5.7 litre.I figured I will have to swap the fuel tanks as well. Now for another hypothetical question,I am the proud owner of a sb400,and its ready for a overhaul.the ? is this,could I put the TBI on the 400 and put that in my 1992 wagon?
Yes, you could, but, it would require a reprogrammed chip, again with all necessary wiring/sensors.
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