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The horsepower race has gone nuclear: 2013 GT500

Originally Posted by Econ How much will a 5.0 with full boltons add in terms of rwhp? Im assuming the 5 liter v8 responds better to NA mods than my

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Old 11-30-2011, 10:29 AM   #1 (permalink)
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How much will a 5.0 with full boltons add in terms of rwhp?

Im assuming the 5 liter v8 responds better to NA mods than my ex-370.
Full exhaust, CAI, tune, and a Boss 302 manifold and you are at about 440-450 whp.

Just a CAI/Tune should get you to around 400-410.
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Old 11-30-2011, 10:32 AM   #2 (permalink)
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Full exhaust, CAI, tune, and a Boss 302 manifold and you are at about 440-450 whp.

Just a CAI/Tune should get you to around 400-410.
How much whp do they come with stock?
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Old 11-30-2011, 10:50 AM   #3 (permalink)
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How much whp do they come with stock?
It depends, but usually around 370 whp.
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Old 11-30-2011, 11:00 AM   #4 (permalink)
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It depends, but usually around 370 whp.
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Old 11-30-2011, 10:33 AM   #5 (permalink)
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Full exhaust, CAI, tune, and a Boss 302 manifold and you are at about 440-450 whp.

Just a CAI/Tune should get you to around 400-410.
Don't know much about Stangs but from what I remember a pulley swap used to do wonders for the engine, does this still hold true?
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Old 11-30-2011, 10:50 AM   #6 (permalink)
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Don't know much about Stangs but from what I remember a pulley swap used to do wonders for the engine, does this still hold true?
Only on the supercharged cars. So on the 550 hp GT500 you could spend about $600 or so on a pulley and a tune and make 650+ hp with the factory blower.

I think the '03-'04 Cobras were able to run from about the stock 390whp to 500-550ish on the stock blower with just a pulley swap.
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Old 11-30-2011, 10:53 AM   #7 (permalink)
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Only on the supercharged cars. So on the 550 hp GT500 you could spend about $600 or so on a pulley and a tune and make 650+ hp with the factory blower.

I think the '03-'04 Cobras were able to run from about the stock 390whp to 500-550ish on the stock blower with just a pulley swap.
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Old 12-01-2011, 03:07 AM   #8 (permalink)
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Full exhaust, CAI, tune, and a Boss 302 manifold and you are at about 440-450 whp.

Just a CAI/Tune should get you to around 400-410.
damn... that's more than any modded N/A Boss i've seen.
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