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Could this combo breach 400 rwhp?

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Old 01-16-2017, 06:43 PM
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Default Could this combo breach 400 rwhp?
the big *** stall is gonn ahurt the numbers. even so anyone think this can breach 400?


Gen 4 5.3 Shortblock

Holley 300-137 Flat plane intake

4150 TB

milled .020 STOCK 243's

236/244 .620 112 lsa cam

13/4 headers

3" xpipe

4400 stall

th400

3.73 geared 10 bolt
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Old 01-16-2017, 06:48 PM
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I would guess it would be close
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Old 01-17-2017, 01:27 PM
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Maybe if the heads were ported. Not stock though. My guess would be around 375 on a dynojet.
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Anywhere close to 420 rwhp?




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