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2012 Express 3500 SRW cutaway van chassis 4.8 A6

2012 Caprice cop car 6.0 A6

For wide band gauges and sensors, AEM X series work well. I found out about them from the HP Tuners forum they have a huge thread on them. I have...

Thank you for the fast reply and good info Dave, I was wondering if the fuel pressure was too much and I have an actron fuel gauge and tap on the way...

Not every Vortec TBI engine needs the 18 PSI fuel pressure regulator spring. Try a stock fuel pressure regulator? Most Vortec TBI engines see a...

Evening. Just a little bit of feedback. I’ve not had a proper chance to test it yet and won’t for a couple of weeks. I opened the control window...

It's entirely up to you, but "looking at the plugs" is not a compression check or a leak down test. This is what I was talking about. It may be a...

Well it's been a while since I've updated you on progress since there hasn't been much due to life happening. So with all the high priority items...

Tomorrow I'll take a look at the timing again and check for vacuum leaks. When I changed the spark plugs they all looked pretty good except one was...

Hi Dave, i lied, that`s not the video i have seen, this one has all the info i need basically, thank you very much!!!

One big problem even when newer is the base gaskets for the TBI. I would start with the basics first. The base timing check, a leak down test or...

Thank you Dave, I have seen the video, a lot of info, i am as well signed up to the facebook group and have posted my pinout chart their, in case...

https://www.youtube.com/watch?v=d-1do_t2Xmw https://www.facebook.com/pg/LT1-SwapCom-148224325211824/photos/?tab=album&album_id=570183759682543 ...

Hello Dave, thank you for warning me about colors, i assumed there isn't different color for every connection, all thaw they could have achieved it...

1320 BT Dongle SOLD

I sent a PM with payment info a few days ago but never heard back from you. Are you still interested? First page says 10th edition,...

Yes the check engine light came on when the wire was disconnected. I disconnected the battery after the timing was set and connected the wire back....

Typhoon / Cyclone is $58 it seems. There's a thread with all the versions of it etc., several to choose from....

I was thinking the requirement for the higher values, was due to the fact that the ECM is calculating less PW because there is much less air density....

usually the check engine light will appear with the timming advance wire disconnected

There are several ways to accomplish your wiring goals. A good first step would be to Identify and label the necessary wires. Be careful about wire...

I really can't remember the color of the wire right now, but I remember it was a single wire below the brake booster. I thought it was pink in color...

Are you sure you unplugged the proper connector? Every GM OBD1 I have set timing on was a tan/black wire.

Actually engine needs more fuel with lower baro readings. It is more efficient I guess. If you can`t add more air in the equation, your choice is...