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Old 07-24-2009, 02:50 AM
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Default 4.3 Vortec engine swap

I have a '94 S10 Blazer with an 4.3 vortec engine vin w I'm wondering if another 4.3 vortec from a newer vehicle will fit?
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Old 07-24-2009, 10:18 AM
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I *think* your options are 92-94 CPI engines. They made changes for '95, then more changes for '96.
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Old 07-24-2009, 10:00 PM
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Yeah, 92-94 was OBDI. If you want a newer swap it will be OBDII and you'll need a lot more wiring and computer. Not just a simple (yeah right) drop in, bolt it on and fire it up. It'll take a lot more changes. The computer in the OBDI is in the dash and the OBDII is in the engine compartment. ANd the fuel lines are different shape from 96 up. Not sure if the tranny's match up either. The computer might be different for that too. But someone with more knowledge on tranny's than me can comment on that.
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Old 07-25-2009, 04:03 AM
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Thanks

The engine in my '94 has over 200,000 miles and has blown head gaskets. it's been sitting over 2 years and I've only started it twice in that time.
 
 
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