TwinTurbo.NET: Nissan 300ZX forum - But you can run it much leaner and still not detonate.
Subject
But you can run it much leaner and still not detonate.
Posted by
The Hawk
on June 29, 2013 at 8:10 PM
This message has been viewed
507
times.
In Reply To
With a change in ethanol content, your target AFR changes
posted by BlackholeZ
on June 29, 2013 at 03:30 PM
Message
That's one of the major diffs from pump. Isn't that exactly what toykoz32 is saying below....?
Follow Ups
Injector and fuel pump sizing for e85
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AddictedToBoost
10:32:50 06/29/13
Depends on your HP goals...
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1badz32 (MN)
10:36:59 06/29/13
Re: Depends on your HP goals...
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AddictedToBoost
10:41:05 06/29/13
Maybe not on pump gas...
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1badz32 (MN)
10:46:54 06/29/13
Re: Maybe not on pump gas...
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AddictedToBoost
10:52:30 06/29/13
850's, good OEM fp, done deal for your sp500's..
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samsung-Z [Houston]
13:25:01 06/29/13
What kind of mileage do you get on that, though? (n/m)
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Marshall
17:34:06 06/29/13
my Zed is a sports car, not a honda, whats gas mileage? ? ;) (n/m)
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samsung-Z [Houston]
08:29:35 06/30/13
it's what determines how far away you can drive from that
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LJZTT
12:36:43 06/30/13
Ever heard of selectable maps? Nothing new + affordable!
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samsung-Z [Houston]
19:14:44 06/30/13
no one cares about your input, so stfu (n/m)
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LJZTT
21:25:00 06/30/13
What's a zed? (n/m)
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Bernie (NoVA)
14:59:18 07/01/13
With those turbos get some 850s with a couple fuel pumps (n/m)
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Piranha
10:49:08 06/29/13
you don't want to convert to E85 just to run SP500's (n/m)
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LJZTT
13:32:35 06/29/13
Re: you don't want to convert to E85 just to run SP500's
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AddictedToBoost
13:44:11 06/29/13
are you really into drag racing?
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LJZTT
19:47:12 06/29/13
Actually e85 with sport 500s would be fast as hell!
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Piranha
14:20:11 06/29/13
E85 on stockers would be "worth" it... (n/m)
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dogpile
15:22:17 06/29/13
convince me, in terms of $ for increased-HP ratio (n/m)
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LJZTT
19:49:36 06/29/13
Re: convince me, in terms of $ for increased-HP ratio
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AddictedToBoost
20:14:44 06/29/13
just for injectors?
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LJZTT
21:18:53 06/29/13
On that same train of thought, why upgrade at all then?
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dogpile
23:32:25 06/29/13
set that tool back on the shelf and save your breathe.. .
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samsung-Z [Houston]
08:26:59 06/30/13
adults are talking child, go back to twitter (n/m)
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LJZTT
11:19:29 06/30/13
well it isn't the same train of thought
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LJZTT
12:25:25 06/30/13
"Building" for E85 is simply overbuilding for pump. Period.
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dogpile
21:11:16 06/30/13
Actually I'm just asking the questions one should be asking
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LJZTT
21:36:48 06/30/13
I agree.
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dogpile
08:48:07 07/01/13
Sure, if it were available just like regular fuel, it would
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LJZTT
12:53:11 07/01/13
It is in some areas, and the performance increase outweighs
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dogpile
22:37:31 07/01/13
Well I have been gone for a few years, but I have only seen
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LJZTT
23:00:18 07/01/13
Fair enough. The government talk is fairly moot though since
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dogpile
08:35:58 07/02/13
It was tough to resist the temptation to relocate to Texas
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LJZTT
14:10:11 07/02/13
Convince you of what, that's he octane limited?
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dogpile
09:06:41 06/30/13
you're missing the point
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LJZTT
11:28:49 06/30/13
I see your point
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toykoz32
18:10:01 06/30/13
Re: you're missing the point
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AddictedToBoost
19:15:23 06/30/13
If you are going E85, I highly recommend going with a
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MixManMash
13:40:09 06/29/13
That's what's stopping me right now (n/m)
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Piranha
14:13:47 06/29/13
Can't you just tune for something lower,
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The Hawk
15:01:01 06/29/13
With a change in ethanol content, your target AFR changes
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BlackholeZ
15:30:48 06/29/13
But you can run it much leaner and still not detonate. -
The Hawk
20:10:46 06/29/13
Overkill statement for pump E85, though the sensors are
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samsung-Z [Houston]
14:56:47 06/29/13
This is what I was getting at in my post above.
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The Hawk
15:04:53 06/29/13
Re: This is what I was getting at in my post above.
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AddictedToBoost
15:13:40 06/29/13
The gas station has nothing to do with the content.
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BlackholeZ
15:37:21 06/29/13
Re: The gas station has nothing to do with the content.
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AddictedToBoost
16:06:33 06/29/13
The Haltech is very different. It can do many functions.
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MixManMash
17:58:57 06/29/13
Once you fill up and your tank mixes it will be consistent
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BlackholeZ
20:37:10 06/29/13
You are misunderstanding what the haltech does with a flex
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ztunerz
22:01:26 06/29/13
Exactly. Every batch of fuel they get will be different. (n/m)
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MixManMash
17:59:54 06/29/13
bingo, there is a "right way" to do something, and then
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LJZTT
12:33:38 06/30/13
I would suggest you talk to someone that tunes
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toykoz32
16:47:24 06/29/13
I also recommend you break your motor in
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toykoz32
16:55:20 06/29/13
Re: I also recommend you break your motor in
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AddictedToBoost
18:13:05 06/29/13
So the ECA let's you measure the ethanol content. How is
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MixManMash
17:54:44 06/29/13
When you car is tuned you know the ethanol content
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toykoz32
18:41:53 06/29/13
So you essentially have to be comfortable tuning in order to
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MixManMash
00:25:29 06/30/13
You have to be comfy making a broad fuel compensation, yes.
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dogpile
08:58:31 06/30/13
Cool. Thanks. (n/m)
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MixManMash
11:28:17 06/30/13
Or you can just be comfortable mixing fuels (very easy)
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maglito
21:34:38 06/30/13
Questions:
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bartz32tt
00:02:16 07/01/13
Answers:
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maglito
03:32:18 07/01/13
Good info - thanks! One last question:
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bartz32tt
08:48:40 07/01/13
Really I'm very happy with e63
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maglito
14:50:28 07/01/13
It's like running a wideband without a fancy ECU
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BlackholeZ
21:13:21 06/29/13
Can anyone say J&S Knock Controller?
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rcmadness
23:50:37 06/30/13
What was your injector duty cycle?
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Alan (TN)
11:21:13 07/02/13
Re: What was your injector duty cycle?
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rcmadness
23:33:44 07/05/13
Re: What was your injector duty cycle?
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rcmadness
10:16:47 07/06/13
Nismo 740cc will support sp500s with a stock pump
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Dane (Houston)
03:12:02 07/01/13
I have been running E85 for over a year and LOVE it!
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Bumblebeetuna
07:56:57 07/01/13
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