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07-02-2019, 07:49 AM
Replies: 3
Views: 1,044
Posted By squared

1999 vacuum module drivers fender

I have a 99 salvage vehicle that I'm pulling the wiring harness from. There is a module in the front left fender that has what appears to be the brake booster vacuum line attached to it as well as...
01-08-2019, 08:03 AM
Replies: 62
Views: 5,013
Posted By squared

I don't disagree, but in internet forum world...

I don't disagree, but in internet forum world oftentimes the weight of someone's opinion is judged not by the amount of experience, but the number of posts. There's enough info available to do some...
01-01-2019, 08:29 AM
Replies: 62
Views: 5,013
Posted By squared

I would be interested to see how many have gone...

I would be interested to see how many have gone through the calculations to determine optimum size and configuration prior to installing something or just bought one or two turbos based on internet...
12-31-2018, 03:35 PM
Replies: 26
Views: 2,958
Posted By squared

I'm looking to run twins on my LS-1 for my 79...

I'm looking to run twins on my LS-1 for my 79 Vette. I did the calculations on matchbot, 8-10 psi, from 2k to 7k at 1k rpm increments, and plotted them on the map for the 3582. Looks like a twin...
12-26-2018, 08:06 AM
Replies: 5
Views: 586
Posted By squared

Excellent

Excellent
12-23-2018, 02:51 PM
Replies: 5
Views: 586
Posted By squared

cylinder wall discoloration

Wondering what's caused this cylinder wall discoloration. I'm thinking it may be previous rust that has been smoothed over by running the engine. Compression was good on all cylinders....
12-19-2018, 07:52 PM
Replies: 14
Views: 4,434
Posted By squared

When I was working F22 development, I had a Pratt...

When I was working F22 development, I had a Pratt engineer tell me about their experience with ceramic blades. Everything went great until the first start after a wet start. With fuel soaked...
12-19-2018, 07:45 PM
Replies: 9
Views: 404
Posted By squared

Good put, I will check that out.

Good put, I will check that out.
12-19-2018, 11:01 AM
Replies: 9
Views: 404
Posted By squared

thanks

It's in the first pic, although it's not quite as clear as the last one. I didn't think that was a normal discoloration, and there's so much carbon on there it's either come from the exhaust or...
12-18-2018, 06:50 PM
Replies: 9
Views: 404
Posted By squared

carboned up head bolt

99 LS1 853 heads, looks like it's never been apart. This is a photo of the outside head bolt between cylinder 5 and 7 and it's adjacent to the exhaust port on cylinder 5 there's a lot of carbon on...
11-06-2018, 07:58 AM
Replies: 1,789
Views: 800,950
Posted By squared

1992 Wellcraft sportsman (Boat) SE106...

1992 Wellcraft sportsman (Boat)
SE106 (Mercruiser Alpha one) outdrive
Build thread not yet posted.

Engine:
2001 4.8 Silverado, stock, cable throttle setup
0411 PCM, no O-2, running a MAF,...
11-06-2018, 07:38 AM
Replies: 38
Views: 67,043
Posted By squared

I'm assuming you're talking about the riser when...

I'm assuming you're talking about the riser when you say elbows. The "elbows" are the aluminum joints between the riser and the y pipe on a Mercruiser.

Use the V-6 elbows with the marine power...
11-06-2018, 07:36 AM
Replies: 38
Views: 67,043
Posted By squared

You have to use the fuel injected mercruiser...

You have to use the fuel injected mercruiser interrupt switch. The carb interrupt switch is normally open and closes to ground the coil. With the fuel injected switch, it is normally closed and...
07-31-2018, 12:30 PM
Replies: 99
Views: 111,707
Posted By squared

Signal type

It's been a while since I've looked at CANBUS, and don't remember much about it, but here's my thinking... It's probably a pulse modulated signal from that box that's proportional to "speed". ...
07-18-2018, 11:45 AM
Replies: 99
Views: 111,707
Posted By squared

0411 pcm VSS output to Saturn EPS

Is it possible to wire the vehicle speed output from a 0411 PCM to the Saturn box and get normal operation?
12-11-2017, 08:49 AM
Replies: 10
Views: 3,841
Posted By squared

test the input

You can verify the input by connecting the positive pole of a 1.5v battery to the wire that connects the O2 sensor to your PCM and grounding the negative pole. The reading on the scanner should...
12-08-2017, 12:32 PM
Replies: 3
Views: 1,394
Posted By squared

I know this is a long dead thread, but happened...

I know this is a long dead thread, but happened across it and figured I comment just in case anyone else does.

I bought a brand new 82 Z-28 which had the cross fire injection. The term came from...
12-08-2017, 11:51 AM
Replies: 2
Views: 235
Posted By squared

EGR or Crank Sensor System issue

periodically, after flashing my PCM or clearing codes and restarting, engine starts, rough idles and stalls. Starting again with throttle at 85% or more, the engine will run rough, backfire through...
12-04-2017, 11:06 AM
Replies: 10
Views: 3,841
Posted By squared

Also look at Ed Mowton's video on You Tube, it's...

Also look at Ed Mowton's video on You Tube, it's fairly straight forward how to set up the software.


Be advised, if you're running a 2000 vintage 0411 PCM load from a Silverado, the A/C...
12-04-2017, 11:00 AM
Replies: 1
Views: 332
Posted By squared

Cooling fan - LTFT oddity

I wired up a couple of cooling fans for my engineering prototype (boat) using the Camaro wiring diagram on a 411 PCM running a 2001 Silverado software load. Using HP Tuners, I configured the tune...
12-04-2017, 10:47 AM
Replies: 14
Views: 1,473
Posted By squared

I used a Camaro pan on my installation #12640748,...

I used a Camaro pan on my installation #12640748, as I figured the 4.8 LR4 pan was too deep for adapting to the mercruiser outdrive
10-23-2017, 09:14 AM
Replies: 7
Views: 1,552
Posted By squared

Just to clarify on the AAA battery, forgot to...

Just to clarify on the AAA battery, forgot to mention I'm hooking it up through HP Tuners.

On the scanner, when you choose and display A/C pressure (PID 7101) it shows the 'output' in volts (or...
10-23-2017, 08:54 AM
Replies: 7
Views: 1,552
Posted By squared

Thanks for the help

Thanks for the help
10-22-2017, 05:26 PM
Replies: 7
Views: 1,552
Posted By squared

0411 PCM a/c pressure pin

Trying to connect my wideband via the A/C pressure sensor input, and use PID 7101 to monitor. Since I don't have the harness for my setup, I need to direct wire the sensor to the PCM (0411). Does...
06-23-2016, 08:34 AM
Replies: 12
Views: 24,448
Posted By squared

LS in Boat

I'm in the process of putting a 4.8 into my 91 Wellcraft sportsman. It currently has a carburetor 5.7 Mercruiser with an Alpha drive.

I've done a lot of research on the web over the past...
Showing results 1 to 25 of 25


 
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