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Old 05-19-2011, 03:34 AM
vcb vcb is offline
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what is the best 383 stroker kit for a blower application

Hi guys
what is the best 383 stroker kit for a 671 blower application?
thanks
v

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Old 05-19-2011, 09:15 AM
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How much boost?
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Old 05-19-2011, 10:34 AM
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I don't think you will find a "kit" with the right low compression pistons.

You want a cr of 7.5:1 to 8:1. Its easier to build a 7.5:1 355 using off the shelf parts and spend the extra on better cylinder heads/cam etc and run more (reliable) boost.

Let the blower make the power for you.
(355 w/more boost vs 383)
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Old 05-19-2011, 01:16 PM
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Quote:
Originally Posted by techinspector1
How much boost?
around 10 with 8:1 static
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Old 05-19-2011, 03:00 PM
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At 10 psi, you will want 7.5:1 SCR in order to operate the motor on pump gas according to Blower Drive Service. See the attached chart....
http://www.blowerdriveservice.com/techcharts.php

If I were building at that level, I would choose all forged components and blower pistons with thicker crowns. F-BIRD'88 makes sense with his suggestion of building a 355. It'll be easier to find pistons to make a 7.5:1 motor.

You can see by the chart that if you pull your expectations back to 8 psi, 8.0:1 will work and it would be a lot easier to find components.
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Old 05-21-2011, 04:03 AM
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thanks for the responses
so you guys think I can get more hp/torque with 355
i also need to change ll to forged, that why i though in making a 383,
v
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Old 05-22-2011, 08:07 AM
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listen to F-Bird
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