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4.3l to 2.8l Swap

  #1  
Old 01-16-2013, 11:15 PM
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Default 4.3l to 2.8l Swap

How Practical is it?
LL2
The carbureted LL2 ("R-code") was produced from 1982 to 1988. Another LL2 ("R-code") with throttle body fuel injection was produced from 1986 to 1993. Output of the TBI version was 125 hp.
19861993 Chevrolet S-10/Chevrolet S-10 Blazer

this would happen in a 1989 chevy s10 blazer 4x4 4.3 engine Vin "W"

this is just a thought.
Thank You
 
  #2  
Old 01-16-2013, 11:50 PM
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why would you go from a 4.3l to a 2.8l. that doesnt make a whole lot of sense....
 
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Old 01-16-2013, 11:57 PM
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never said "I" was or am, Just a thought, always seeing guys going from 262 to 350's just wondering if anyone ever went down
 
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Old 01-17-2013, 12:12 AM
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i would think that if they went down, it would be from a 350 to a 262. i personally have never heard anything good about the 2.8l. and pretty much every one knows that the 4 banger doesnt have any guts to it.
 
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Old 01-17-2013, 12:13 AM
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The only time they go down they still go up. thats when they swap in a 4bt diesel (pretty much a 4cyclinder). but I have never heard or read of anyone going down. always up. but whatever floats the boat
 
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Old 01-17-2013, 07:47 AM
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Ill take a 60 degree over any 90 degree v6 but I wouldn't swap one out. I'd pull a boat anchor 4.3 for a v8 any day of the week tho.



I don't understand why taking going from completely different families and comparing same families. I can see 2.8 to 3.1 or 3.4 60 degrees since they the same family and don't require all new parts. Compare a 3.3 to a 3.8 or a 4.3 90 degree v6.
 

Last edited by neo71665; 01-17-2013 at 07:53 AM.
  #7  
Old 01-17-2013, 09:59 AM
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The 2.8 is a crappy engine if you want to go down go with GM 3.8
 
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Old 01-17-2013, 10:28 AM
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The 2.8 wouldnt bolt in, the bellhousing is different. That said, if you had the transmission to go along with the 2.8, its certainly possible. The 4.3 is a far better engine than the 2.8 imo.
 
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Old 01-17-2013, 10:42 AM
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Thank You to all who replied, it was just a thought thats all, my dream is to drop a 350 into my blazer but ill wait till the 262 gives out on me first.
 
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Old 01-17-2013, 12:10 PM
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Would be interesting, Not sure why you would do this.
 

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