how many degrees of total timing do you have @ 10psi?

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Old Apr 12, 2005 | 02:40 PM
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From: Atlantis
Default how many degrees of total timing do you have @ 10psi?

16deg base timing, how much do you advance max in the upper rpm's @ 10psi?

I'm trying to get an idea if my timing maps are too conservative..... just a ballpark for the next tuning session on the dyno.....
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Old Apr 12, 2005 | 02:43 PM
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just dont pull to much timing out cause then you will start melting stuff.............. no good! and if you dont have a good understand of what timing acutally is then i would do some research. that will tell you a lot
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Old Apr 12, 2005 | 05:29 PM
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id like to know as well
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Old Apr 12, 2005 | 05:36 PM
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Default Re: how many degrees of total timing do you have @ 10psi? (Black R)

Max timimg for my 9psi JRSC prelude is 26.
hope it helps!
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Old Apr 12, 2005 | 05:53 PM
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Default Re: how many degrees of total timing do you have @ 10psi? (Smulude)

about 15* total on a D16. I dont see what the psi has to do with it though. What if I have a t25 and the next guy has a sc61? Also bore diameter will play a big role in how much timing is appropriate.
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Old Apr 12, 2005 | 05:56 PM
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Default Re: how many degrees of total timing do you have @ 10psi? (Bailhatch)

About 19 degree on the low speed cam, about 23 on the high speed cam. (Those are total timing numbers....running hondata)
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Old Apr 12, 2005 | 06:23 PM
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Default Re: how many degrees of total timing do you have @ 10psi? (Dunc)

im going to say somewhere roughly between 20 and 22ish degrees total. that comes out to be around 6-8 degrees taken out, which divided by 10 psi is like about .7 degrees/lb, which is acceptable i think.

my z6 map had me running 20* at 10.41 psi @redline on uberdata(just a hair over 8* taken out)
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Old Apr 12, 2005 | 06:33 PM
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Default Re: how many degrees of total timing do you have @ 10psi? (blackeg)

19.5 degree total@10 psi w/ gsr + sc61
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Old Apr 12, 2005 | 06:42 PM
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Default Re: how many degrees of total timing do you have @ 10psi? (Bailhatch)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Bailhatch &raquo;</TD></TR><TR><TD CLASS="quote">about 15* total on a D16. I dont see what the psi has to do with it though. What if I have a t25 and the next guy has a sc61? Also bore diameter will play a big role in how much timing is appropriate.</TD></TR></TABLE>


exactly. It doesn't matter what Joe's timing was @ X psi if the setups are different. You tune an engine according to MBT, not psi. Timing can vary.


Modified by racinskittle at 8:10 PM 4/12/2005
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Old Apr 12, 2005 | 06:52 PM
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Default Re: how many degrees of total timing do you have @ 10psi?

Log:

A/F, EGT's and mostly Knock sensor voltage

those will help you obtain an ideal/safe timing map
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Old Apr 12, 2005 | 07:08 PM
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Default Re: how many degrees of total timing do you have @ 10psi? (B18CXr)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by B18CXr &raquo;</TD></TR><TR><TD CLASS="quote">Log:

A/F, EGT's and mostly Knock sensor voltage

those will help you obtain an ideal/safe timing map</TD></TR></TABLE>

unless you dont have a knock sensor haha. ****** D series.
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Old Apr 13, 2005 | 03:06 PM
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Default Re: how many degrees of total timing do you have @ 10psi? (racinskittle)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by racinskittle &raquo;</TD></TR><TR><TD CLASS="quote">

unless you dont have a knock sensor haha. ****** D series.</TD></TR></TABLE>

Y8
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Old Apr 13, 2005 | 04:09 PM
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Default Re: how many degrees of total timing do you have @ 10psi? (shifty35)

23.5 or 24.5 on the high cam at 10.5psi. forged Piston/rod B16 motor
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