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LTX and LSX Putting LT1's, LS1's, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects, including repairs, swap info, and performance upgrades.

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Old 08-31-2009, 09:43 PM   #1
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lt1,th350 into 90 rs

i got a 1990 camaro rs, i just bought a lt1 out of 96 impala ss with 70,xxx
and a th350,what will i need for the full swap?
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Old 09-04-2009, 12:59 PM   #2
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Re: lt1,th350 into 90 rs

To get the th350 to work with the LTx, you need: dipstick, lt1 computer programmed right, correct speedometer output

1. A flexible or aftermarket dipstick like Lokar brand
2. LT1 programmed so automatic transmission trouble codes won't appear
3. A way to get the speedo to work. On a 700r4, you get a '95 camaro 4l60e reluctor, 4l60e vss, and 4l60e rear housing. You would pound on the 4l60e reluctor, bolt on the 4l60e rear housing, then bolt in the 95 vss. On a th350 you may be able to do the same thing but i don't know.
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Old 09-05-2009, 01:46 AM   #3
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Re: lt1,th350 into 90 rs

You need a 9" tailhousing TH350 to do the above and when you do even the old driveshaft will fit without issue
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57l, 90, automatic, bolt, camaro, engine, fit, gen, ls1, lt1, reluctor, rs, swap, th350, transmission
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