Quote:
Originally Posted by TOMS1SS
That always amazed me that GM can actually get that much displacement out of a small block.
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there's a guy out here with a 500ci small block 2010 SS with a maggy, I believe its around 1500rwhp now.... freakin nuts
Quote:
Originally Posted by insidethreat07
my dad has a 68. Plus he likes the old school look. But i have a feeling is going to buy a 454 block and build it up. The LSX id FI right? Ive been trying to get him to go to FI 5-600hp + 20mpg. While the 409 we have in it noe is like 475hp and 3-4 mpg
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the LSX series engines can be swapped to a carb fairly easily, FI right out of the box the LSX454 is 620hp I believe..... carb'd its around the same HP.... but about 50 more ft lbs of torque. Put on a 102mm throttle body and intake manifold and some long tubes and it would probably be well over 700hp....... add in some ported heads and a cam, you could be near 775-800 and still get north of 20mpg...... I've seen a LSX454 with a TVS2300..... those could get 900-950 reliably, and get about 13-15mpg