What is the diff between the two? I thought they were the same engine?

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87 2M4 5 spd Daily Driver Project 2m$
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86 SE Needs every thing but a Motor & Sunroof Seal!!! Now for Sale! $750.00
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The northstar is a 4.6L V8 DOHC 300 hp engine. years I believe are 1993-present fwd caddy

The 4.9L V8 push rod alluminum block engine with 205 hp 285 ft lbs of torque. 1991-95 fwd caddy

dont forget the N* is all aluminum while the 4.9 is aluminum block with iron heads

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--Adam--
1987 Blue GT 5-speed
IM AOL: FieroGT5speed
Always brush your milk, drink your teeth, don't do sleep and get 8 hours of drugs

quote Originally posted by PBJ: The northstar is a 4.6L V8 DOHC 300 hp engine. years I believe are 1993-present fwd caddy The 4.9L V8 push rod alluminum block engine with 205 hp 285 ft lbs of torque. 1991-95 fwd caddy

My 2.9 (2.8 +030) is putting out 165hp so Why would I go thru the change out??? I am speaking strictly from a mechanical/time stand point.

The general answer would be "To Be Different or Because You can!"

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87 2M4 5 spd Daily Driver Project 2m$
****************************************
86 SE Needs every thing but a Motor & Sunroof Seal!!! Now for Sale! $750.00
http://home.cfl.rr.com/fierose
Web Master
Central Florida Fieros
http://www.centralfloridafieros.com

Are you sure about that 165? A stock 2.8 made only 134/140 and I don't think another .1 will make 25 hp.

Also, you are probably making about 180 lb/ft compared to 285 for the 4.9.

It isn't the horsepower ya care about.
It's the low end torque. I had a corvair that I souped up I had 196 horse power out of it. I was real proud of it. But, it was worthless under 3500 rpm. I was the only one who could drive it. (And on top of that it had a real narrow power band.) When you squeeze lots of horsepower out of a smaller engine, you trade drivability.