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Older Activity
3 Hours Ago
Fast355
replied to a thread
Add Highway mode to LT1
in
GM EFI Systems
Burst knock retard does not show up as actual knock retard. You won't get more than about 40° advance into a distributor that has the base timing...
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58 replies | 1101 view(s)
4 Hours Ago
Quaraxkad
replied to a thread
Looking for asistance with ALDL project...
in
GM EFI Systems
Great, thanks for the support! It sounds like you think a Pi would be the easier than Arduino. I have seen that the Arduino also has an FTDI addon...
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2 replies | 65 view(s)
6 Hours Ago
NomakeWan
replied to a thread
Add Highway mode to LT1
in
GM EFI Systems
Easy enough to just disable it before a smog test. :P Even easier if it's a patch that allows for an external trigger pin. ...isn't that just...
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58 replies | 1101 view(s)
6 Hours Ago
dave w
replied to a thread
I think my computer might be bad.
in
GM EFI Systems
Link to 16147060 PCM information: http://www.gearhead-efi.com/Fuel-Injection/showthread.php?317-16147060-PCM-Information-85 TunerPro RT not only...
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1 replies | 65 view(s)
6 Hours Ago
silvergs
replied to a thread
Cam Signals
in
GM EFI Systems
P0343
see more
5 replies | 113 view(s)
16 Hours Ago
steveo
replied to a thread
Looking for asistance with ALDL project...
in
GM EFI Systems
yes that's a wicked project, i'd be glad to help, 100% on board. i have many projects that have completed that parallel this one we can reuse code...
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2 replies | 65 view(s)
17 Hours Ago
Fast355
replied to a thread
Add Highway mode to LT1
in
GM EFI Systems
Knock sensors work perfectly. New Delco sensors that went on the engine 6 months ago. I know they work because I occasionally see 1-2° of retard on...
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58 replies | 1101 view(s)
17 Hours Ago
PlayingWithTBI
replied to a thread
Add Highway mode to LT1
in
GM EFI Systems
Since you're from Californicate (I was too) I don't think you'll be able to run HLC anyway. FWIR you won't pass smog with it enabled, that's why GM...
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58 replies | 1101 view(s)
18 Hours Ago
space387
replied to a thread
Add Highway mode to LT1
in
GM EFI Systems
forgot to quote Fast, he needs the new knock sensor/ module
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58 replies | 1101 view(s)
19 Hours Ago
lionelhutz
replied to a thread
DIY LTCC or similar system for LT1s
in
GM EFI Systems
LS1's started at 0.060" and then GM released a service bulletin to drop the gap to 0.040" because of misfire complaints once the engines got some...
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503 replies | 83095 view(s)
19 Hours Ago
NomakeWan
replied to a thread
Add Highway mode to LT1
in
GM EFI Systems
{delete, replied to wrong post}
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58 replies | 1101 view(s)
20 Hours Ago
space387
replied to a thread
Add Highway mode to LT1
in
GM EFI Systems
I think you need a new knock sensor.
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58 replies | 1101 view(s)
21 Hours Ago
ScottP
replied to a thread
Cam Signals
in
GM EFI Systems
Not to get too far off topic, but USB based scopes are crazy inexpensive now. You might want to consider buying one, as it'll pay off huge when...
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5 replies | 113 view(s)
22 Hours Ago
wilber1978
started a thread
yet another ls swap
in
Introductions
hey gang, been lurking for a while as a guest and decided to join and be a bit more active. current project is a 56 pickup with L98, running...
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0 replies | 35 view(s)
23 Hours Ago
silvergs
replied to a thread
Cam Signals
in
GM EFI Systems
Scott, The VOM meter shows 12V high and 0V low but still sets the code. Wish I had access to an o-scope. For the crank sensor I just took a...
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5 replies | 113 view(s)
23 Hours Ago
ScottP
replied to a thread
Cam Signals
in
GM EFI Systems
Great to see someone else running a 411 PCM on an old school motor. I've got a 411 running a '70 Pontiac 455 backed with a 4L80E as well. I took a...
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5 replies | 113 view(s)
1 Day Ago
NomakeWan
replied to a thread
Add Highway mode to LT1
in
GM EFI Systems
Give me your tune. Not even joking. My stock LT1 on 91 (E10, winter formulated) knocks at only 38 degrees of timing under load. If you’re saying...
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58 replies | 1101 view(s)
1 Day Ago
Fast355
replied to a thread
Add Highway mode to LT1
in
GM EFI Systems
Actually with lead in the avgas they have to vary the power setting every 30 minutes or so to keep from fouling the plugs. Forgetting the P38, I...
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58 replies | 1101 view(s)
1 Day Ago
space387
replied to a thread
Add Highway mode to LT1
in
GM EFI Systems
So I am curious how are you guys ( Steveo and Kur4o) picking apart and writing patches for these ecu's. I am curious to look deeper at the Highway...
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58 replies | 1101 view(s)
1 Day Ago
Quaraxkad
started a thread
Looking for asistance with ALDL project...
in
GM EFI Systems
I've got a project I need to get started on now that my car is running thanks to the help provided here in a previous thread! I have a 92 Cutlass...
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2 replies | 65 view(s)
1 Day Ago
bigfella88
replied to a thread
Free LS1 Tuning Software (all you need is TunerPro)
in
OBDII Tuning
i am also new to LS droid , im having a problem with my first attempt to even read the ecm it starts the stops very soon and only displays a "?". ...
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67 replies | 17873 view(s)
1 Day Ago
Tunedperformance
replied to a thread
Moates sst27sf512 price increase
in
GM EFI Systems
Wow, awesome price. Just ordered some to try.
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12 replies | 244 view(s)
1 Day Ago
tayto
replied to a thread
Cam Signals
in
GM EFI Systems
with the '411 why not just run CnP and be done with it?
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5 replies | 113 view(s)
1 Day Ago
donf
replied to a thread
Moates sst27sf512 price increase
in
GM EFI Systems
I looked up the exact seller I purchased from over 2 years ago. He does not sell the 5 pack any more but he offers a 10. Not sure if its the same...
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12 replies | 244 view(s)
1 Day Ago
donf
replied to a thread
Moates sst27sf512 price increase
in
GM EFI Systems
I got my "fake SST" chips direct from China Sept 2017. They work fine with Moates Burn2. The only time I ever had a problem was when i plugged the...
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12 replies | 244 view(s)
1 Day Ago
kur4o
replied to a thread
Add Highway mode to LT1
in
GM EFI Systems
Untuned individual trims for lt1 is number reason for crap running engine at light load. At idle they are relative easy to dial but off idle is...
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58 replies | 1101 view(s)
1 Day Ago
epeiskee
started a thread
New Project
in
Introductions
Working on LS swap into a 84 SWB that's a father/son build. LS engine is out of a 2004 Suburban vin engine code Z.
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0 replies | 42 view(s)
2 Days Ago
silvergs
started a thread
Cam Signals
in
GM EFI Systems
I have a Buick 455 with a 4L80E running on a LS 411 ecm. I am using a Grand National distributor that I have cut half the "hat" so it gives a signal...
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5 replies | 113 view(s)
2 Days Ago
c5wagner
replied to a thread
Moates sst27sf512 price increase
in
GM EFI Systems
I've been using Winbond W27C512 chips for a while now, most of the fake SST 27sf512 chips on ebay are the winbond chips re-labeled. The big problem...
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12 replies | 244 view(s)
2 Days Ago
dave w
replied to a thread
Moates sst27sf512 price increase
in
GM EFI Systems
The 27SF512 has variants, namely the speed 70-C3 vs 90-C3. The replica (MTP) chips with 90-C3 speed usually work with the Burn 2. The replica (MTP)...
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12 replies | 244 view(s)
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