TwinTurbo.NET: Nissan 300ZX forum - So the igntion map is based on MAFS voltage and what else?
Subject
So the igntion map is based on MAFS voltage and what else?
Posted by
Chip(GinnMotorsports)
on January 08, 2003 at 4:41 PM
This message has been viewed
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times.
In Reply To
Well, if he thinks TPS is involved, he IS mistaken.
posted by AshsZ (FABio)
on January 08, 2003 at 03:53 PM
Message
If MAFS only, then that would be easy to tune.
Follow Ups
Ignition timing advance benefits. Going from 15 to 17
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MikeH(Twin GT35BB Incon Z)
11:39:32 01/08/03
<- TECH - Timing Tweak (n/m)
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my91z
11:44:58 01/08/03
Tech timing tweak lacks a lot of information
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MikeH(Twin GT35BB Incon Z)
13:45:29 01/08/03
Personally I wouldn't mess with the timing without...
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Funky (NWZ)
11:46:36 01/08/03
Yep, some race gas and he can run 17 with no problem
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SeedyROM
11:48:05 01/08/03
Yea, racegas can help with knocking...
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Funky (NWZ)
11:53:17 01/08/03
Heh, people dont know this but you can run a stock program
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AshsZ (FABio)
11:57:46 01/08/03
yes, I believe Mike (La Canada) is running 17-19psi w/stock
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Funky (NWZ)
12:03:55 01/08/03
Yep. (n/m)
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SeedyROM
12:09:18 01/08/03
specific gravity
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Marshall
14:09:08 01/08/03
Torque goes up with fuel delivery. At least to a certain
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AshsZ (FABio)
15:47:09 01/08/03
yeah (check your email)
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Marshall
16:11:36 01/08/03
Heh, you can go MUCH further than that... :)
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AshsZ (FABio)
11:55:27 01/08/03
Sorry, that's Greg's role :)
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SeedyROM
12:17:48 01/08/03
I won't blast you
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Marshall
15:07:43 01/08/03
I agree with you on many of those points - I take beatings
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AshsZ (FABio)
15:40:32 01/08/03
Hell I run 20 deg BTDC on 93 octane with no problem in summr (n/m)
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SUPRMANZ
13:54:52 01/08/03
Try that in a Stage III TT though ;)
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SeedyROM
14:27:23 01/08/03
he has an NA. (n/m)
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Chip(GinnMotorsports)
14:37:02 01/08/03
I know. He has a Stage III NA, I'm saying he can't do that
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SeedyROM
14:46:11 01/08/03
You are right, I read "stage III" missed the TT. (n/m)
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Chip(GinnMotorsports)
14:51:44 01/08/03
It does - I've tested it - Flycaz's dyno charts. >>>
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AshsZ (FABio)
11:49:26 01/08/03
After my dyno run this past weekend, we check timing
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BigRob
12:26:19 01/08/03
JWT race gas program and pump gas programs just
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MikeH(Twin GT35BB Incon Z)
12:43:16 01/08/03
I made an increase of 15rwhp going from 13 to 16 BTDC
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colocomp
12:13:21 01/08/03
But I bet it improved a large chunk of the powerband
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SeedyROM
12:14:32 01/08/03
I will try and find the graphs and post. (n/m)
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colocomp
12:15:36 01/08/03
That'd be cool. 13 to 16 is a healthy jump. (n/m)
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SeedyROM
12:18:10 01/08/03
I found the graphs but they did not have the tourqe
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colocomp
12:37:11 01/08/03
Re: I found the graphs but they did not have the tourqe
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BigRob
13:05:56 01/08/03
The dyno sheets I have were from a private dyno
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colocomp
13:13:26 01/08/03
Dyno in your garage? Cool :-))) When can we all come over?
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BigRob
13:18:15 01/08/03
I think 300.00 ish?, we need to talk Tim into buying it. (n/m)
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colocomp
13:22:26 01/08/03
Re: I think 300.00 ish?, we need to talk Tim into buying it.
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BigRob
13:24:27 01/08/03
Nothing on ebay. Damn. (n/m)
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Woody75 (Denver)
14:04:55 01/08/03
Base timing at idle should be 15degrees, I got 19 degrees
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MikeH(Twin GT35BB Incon Z)
12:32:39 01/08/03
Unfortunately I did not have a Techcom to check a WOT (n/m)
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colocomp
12:35:50 01/08/03
careful here. there are many different things happening...
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niXit
12:39:20 01/08/03
The timing map comes off of the MAS voltage readings
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MikeH(Twin GT35BB Incon Z)
12:45:39 01/08/03
:sigh: mmm... okay.
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niXit
12:48:02 01/08/03
Talked to Clark Steppler ( who is not clueless) and
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MikeH(Twin GT35BB Incon Z)
13:22:53 01/08/03
Well, if he thinks TPS is involved, he IS mistaken.
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AshsZ (FABio)
15:53:51 01/08/03
So the igntion map is based on MAFS voltage and what else? -
Chip(GinnMotorsports)
16:41:47 01/08/03
RPM.. (n/m)
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Kyle(Houston)
21:03:15 01/08/03
a/f is different on dyno and road, why wouldnt timing be? (n/m)
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Chris(NJ)
17:53:20 01/08/03
How do you know it is different? Do you have 02
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MikeH(Twin GT35BB Incon Z)
18:26:08 01/08/03
A dyno is very different then open road....
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Kyle(Houston)
21:09:31 01/08/03
add about .4 to your a/f...that is what it will be on the
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Chris(NJ)
00:24:34 01/09/03
We *always* had to fine tune at the track---->
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Kyle(Houston)
07:04:51 01/09/03
oops. sorry, my post was meant for mike. (n/m)
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Chris(NJ)
10:18:28 01/09/03
"Simple question"? You are just "ignant" Ash can you
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MikeH(Twin GT35BB Incon Z)
13:33:20 01/08/03
Yup, after much thought, I've decided: You are clueless. (n/m)
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niXit
13:00:28 01/08/03
lol (n/m)
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colocomp
13:20:49 01/08/03
guess you are smarter than me when it comes to modding Z's : (n/m)
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MikeH(Twin GT35BB Incon Z)
13:53:01 01/08/03
My timing was always 15 btdc when WOT, and I have never
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Chip(GinnMotorsports)
14:02:53 01/08/03
You guys are confusing base timing and ACUTAL timing >>>
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AshsZ (FABio)
16:10:59 01/08/03
I was referring to timing at WOT which is not base or stati (n/m)
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MikeH(Twin GT35BB Incon Z)
17:03:26 01/08/03
Re: Ignition timing advance benefits. Going from 15 to 17
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sparkie
13:08:09 01/08/03
Re: Ignition timing advance benefits. Going from 15 to 17
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au7385
15:25:35 01/08/03
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