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Old Jan 20, 2025 | 12:55 AM
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Are the figures way wrong or am I missing something? This is a 2020 C8 Stingway with a ported intake only putting out 519 rwhp. No tunes available back then. I will gladly buy a new intake for an extra 50 or so rwhp. Most new Stingrays dyno at 430-440 rwhp, so 519-440= 79 rwhp. Yep, some one please put me on a guaranteed 80 or so rwhp for the cost of intake and labor. Most places can get you 70-80 rwhp, but the cost is around $15,000 and is a head and cam install.

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Old Jan 20, 2025 | 06:01 AM
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Originally Posted by OLD_GOAT
Are the figures way wrong or am I missing something? This is a 2020 C8 Stingway with a ported intake only putting out 519 rwhp. No tunes available back then. I will gladly buy a new intake for an extra 50 or so rwhp. Most new Stingrays dyno at 430-440 rwhp, so 519-440= 79 rwhp. Yep, some one please put me on a guaranteed 80 or so rwhp for the cost of intake and labor. Most places can get you 70-80 rwhp, but the cost is around $15,000 and is a head and cam install.

https://www.youtube.com/watch?v=AWWNeaeBG6M

this car also has ported heads and some other mods .
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Old Jan 21, 2025 | 06:53 PM
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My intake was ported by the same company. I do believe this car has more mods than just a ported intake manifold.
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Old Jan 24, 2025 | 01:42 PM
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Last time on YouTube, he ran 10.49@128 with a drag pack at the drag strip. Bonestock first day out he ran 11.40@121. The dyno number is questionable but with the headwork the track time seems legit.
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Old Jan 24, 2025 | 03:54 PM
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With ported heads, intake manifold, PTD, drag pack, headers and CAI, I can see the heads producing 2-3 tenths and 2-3 mph in the 1/4 mile. I ran 10.80s at about 126 with the listed mods less a drag pack and head work.
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Old Jan 24, 2025 | 05:56 PM
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Originally Posted by 01Defense
With ported heads, intake manifold, PTD, drag pack, headers and CAI, I can see the heads producing 2-3 tenths and 2-3 mph in the 1/4 mile. I ran 10.80s at about 126 with the listed mods less a drag pack and head work.
Yeah.....drag pack makes a big difference. I believe GM heads are pretty darn good.
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