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| LS4 / F40 swap - fieroguru (Page 72/216) |
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lou_dias
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MAR 21, 08:21 AM
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| quote | Originally posted by fieroguru:
Its been cold an raining for the last 2 days, so the car has been back inside and I have started to put the interior back together.
When's the last time to saw one of these without any cracked or stripped holes...
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Perfect time to make a mold or 3D scan...
It might be nice to reprint these with a 3D printer someday...
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ericjon262
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MAR 26, 09:57 PM
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fieroguru
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MAR 27, 05:28 AM
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Cold, snow and rain... car hasn't left the garage in over a week.
I also found an error in the Range Wiring...
| quote | Originally posted by fieroguru:
Signal P is always open for every gear and how it is currently wired, so no change needed.
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If you look closely at Signal P - it does indeed change states and is grounded in P,N, 3 and 1... so I need to add a N.O. clutch switch for this signal as well. My current Clutch/Starter switch (which is N.O.) has 2 plug connectors, but the 2nd one doesn't have any terminals in it. So I purchased another one (NS88) that isn't a direct fit (terminal connections the same, but doesn't have the mounting bracket), but I should be able to take the two apart and build the one I need.
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fieroguru
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MAR 27, 12:10 PM
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ericjon262
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MAR 27, 12:29 PM
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are there any V8 cars with DOD and a manual? or any V8 manual trans cars that use the same PCM?
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fieroguru
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MAR 27, 02:34 PM
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| quote | Originally posted by ericjon262:
are there any V8 cars with DOD and a manual? or any V8 manual trans cars that use the same PCM? |
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To my knowledge, there are no manual transmission vehicles with a functioning DoD system and I think I am the only nutcase making an attempt at it.
The E67 ecm was used for DoD applications as well as manual transmission applications. Many of the DoD tables are still within the manual transmission calibrations, but who knows if they are just there or if GM actually did some tuning with them at some point. Once I confirm it works (thinking positive), then I will start to play around with things more.
The concern is if you read the patent, they talk about a clutch switch, shifter sensors and trying to anticipate an upshift/downshift. The manual DoD program may be looking for these additional sensors that I am not installing (and wouldn't know where to wire them to the ecm if I had them) and it might still not work. It seems like GM was wanting to use DoD in multiple gears to improve in town mileage vs. my focus being strictly on 45-80 in 5th or 6th. Hopefully with my more simplistic approach I can get it to work w/o shaking the car to bits as it engages and disengages... just need some warmer/drier weather.
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ericjon262
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MAR 27, 10:49 PM
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| quote | Originally posted by fieroguru:
To my knowledge, there are no manual transmission vehicles with a functioning DoD system and I think I am the only nutcase making an attempt at it.
The E67 ecm was used for DoD applications as well as manual transmission applications. Many of the DoD tables are still within the manual transmission calibrations, but who knows if they are just there or if GM actually did some tuning with them at some point. Once I confirm it works (thinking positive), then I will start to play around with things more.
The concern is if you read the patent, they talk about a clutch switch, shifter sensors and trying to anticipate an upshift/downshift. The manual DoD program may be looking for these additional sensors that I am not installing (and wouldn't know where to wire them to the ecm if I had them) and it might still not work. It seems like GM was wanting to use DoD in multiple gears to improve in town mileage vs. my focus being strictly on 45-80 in 5th or 6th. Hopefully with my more simplistic approach I can get it to work w/o shaking the car to bits as it engages and disengages... just need some warmer/drier weather.
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the reason I asked is because I'm in a similar boat with my 3500 F23 swap(engine with no manual option), and what I am doing is referencing other cars that used the same PCM for things like the clutch switch input. in my case, the 1998 3800 5 speed F body uses the same PCM as mine, so I looked at all the pinouts, and found the 3800 PCM looks for a clutch input under the same input as "transaxle range A".
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JPH87
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MAR 28, 12:19 AM
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The new Corvette c7 is the first I'm aware of that has DOD with a manual. Avalible in the fall with VVT also
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fieroguru
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MAR 28, 05:33 AM
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| quote | Originally posted by JPH87:
The new Corvette c7 is the first I'm aware of that has DOD with a manual. Avalible in the fall with VVT also |
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Apparently it does... hadn't looked much at the C7 setup yet. Looks like it will use the E92 or E95 PCM which has been out a couple years already in Europe, but so far no one has hacked it... which will make mods/swaps quite difficult for several more years.
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fieroguru
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MAR 31, 09:07 PM
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Been having quite a bit of fun dialing this swap. The STFT in the lower MAF table are now within 0.7% and knock free (so far to 4K RPM and 80KPA). I am now running the CTSV 6 speed manual timing tables and ended up pulling .5 degrees of timing from about 10 cells.
Still working on the hanging RPM when I stab the clutch... might need to reduce the throttle follower settings.
Might tray to take a few more videos this week if the weather cooperates.[This message has been edited by fieroguru (edited 03-31-2013).]
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