4.8 vs 5.3
#13
TECH Apprentice
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Originally Posted by Big ED
No replacement for displacement!!!
Not always true, cause if u have say a stock 5.7 350, and go to 383, with a better set of heads or cam or intake, or a power adder, u wont gain much of anything
#19
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I really have no idea why gm built the 4.8. Why do they need it? In 2005 the 4.8 285hp 295tq, 5.3 295hp 330tq. With the same heads & cam the larger cubes will basically always make more tq but often the smaller cubes can make more hp at a higher rpm. It takes tq to make hp, just always keep that in mind.
#20
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How true.... I'm thinking the 4.8L is there for the average fuel economy thing, or to give customers a "higher-value option" for their trucks and SUVs. That's kinda like how they have the new 3.6L and 3.9L, both are pretty much identical, except for internal dimensions, and fairly similar output-wise.
GM is starting to look like early 70's Mopar...
GM is starting to look like early 70's Mopar...