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Re: Piston Height
[Re: polyspheric]
#3124980
02/27/23 10:16 AM
02/27/23 10:16 AM
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Joined: Jan 2003
Posts: 13,362
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,362
Marion, South Carolina [><]
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I disagree.
It's going to be less timing (knock) sensitive with that tight of a quench Quench Cut - Chamber Softening - Nitrous Friendly Chamber Creating this shape on the surface of the head changes the way the flame front travels throughout the cylinder by slowing down how fast the flame travels. This allows for a wider tuning window in boosted & nitrous combinations when it comes to timing.
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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Re: Piston Height
[Re: an8sec70cuda]
#3125024
02/27/23 01:21 PM
02/27/23 01:21 PM
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Joined: Mar 2008
Posts: 292
NY
challenger451ci
enthusiast
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enthusiast
Joined: Mar 2008
Posts: 292
NY
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I disagree.
It's going to be less timing (knock) sensitive with that tight of a quench Quench Cut - Chamber Softening - Nitrous Friendly Chamber Creating this shape on the surface of the head changes the way the flame front travels throughout the cylinder by slowing down how fast the flame travels. This allows for a wider tuning window in boosted & nitrous combinations when it comes to timing. Softening the chamber is going to typically yield more quench volume and a less timing sensitive chamber, correct? If he has an IS plate, I would ask Steve what he thinks before you button the motor up.
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Re: Piston Height
[Re: challenger451ci]
#3125031
02/27/23 01:59 PM
02/27/23 01:59 PM
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Joined: Jan 2003
Posts: 13,362
Marion, South Carolina [><]
an8sec70cuda
I Live Here
|
I Live Here
Joined: Jan 2003
Posts: 13,362
Marion, South Carolina [><]
|
I disagree.
It's going to be less timing (knock) sensitive with that tight of a quench Quench Cut - Chamber Softening - Nitrous Friendly Chamber Creating this shape on the surface of the head changes the way the flame front travels throughout the cylinder by slowing down how fast the flame travels. This allows for a wider tuning window in boosted & nitrous combinations when it comes to timing. Softening the chamber is going to typically yield more quench volume and a less timing sensitive chamber, correct? Yes. The tight quench everyone wants for a NA combination will yield a timing sensitive/narrow tuning window in a nitrous or boosted application.
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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