Ok Dave I have another question regarding the AEM wideband.

On the back of the gauge you have the little arrow dial that sets different reading types.

Does this control the data type that is...

Ok I have a new to tuning question.

Once I make the changes below to the bin file, do I need to burn the edited file to a chip and install in truck? In order for the wide band to allow data...

I have been watching this post and have some minor thoughts.

Have you taken a water spray bottle and sprayed the harness down? along with plug wires? a little at a time while running while moving...

Good Morning, Afternoon or Evening everyone, I have a few questions on 7427 files.

I am getting ready to use Turnerpro RT to do datalogging with a wideband. While looking at the tuner pro site and...

would you be able to test the Dizzy on a distributer machine????

Hey "A"

If it is coming out of coil wire then look at your cap and rotor. spark should go right from rotor tap to cap post.

Look for carbon marks in the cap, they will look like little stress cracks.
...

Found my answer in service manual

See attached snipe it

Does moderator want to add it to the 7427 fact sheet or re-19807pin procedure

little dated question, is it safe to think B16 is on the blue plug? B=Blue.

I am late to the game, was truck running fine and then just started idling high?

Did you do any work to it and then it started?

Guys here is a left field question, if he cooked his O2 sensor,...

nice truck, a lot of knowledgeable people on this site, especially with old OBD1 rides.

Be advised your truck is, I believe, the first year for Elect control of trans thus your computer is a one...

here's another one exp on 1/26/2024

254039459106788214

Happy New Year ,Congratulations and good luck, as for my project I am finally getting to my engine swap on my 95 truck. we will see how things go, it is going to be a slow process.

Also I cant...

249574063203299083 it expires on the 15th as in next week

Welcome, I don't see why you couldn't take say a 95 or so S10 4 banger set up and adapt it to a Fiat X19. I only say S10 is because of TBI size and Injector sizes. Plus there were a lot of 4 speed...

Dave W what do them jpgs reference? are they from a tune you did for a high altitude? or are them a starting point for Jeepsandkids based on your experience?

Also Jeepsandkids, I noticed something...

KidsandJeeps, I think you are fighting a tuning issues (timing and AF ratio) for climbing mountains, not an air flow thru rad.

You stated "The trails I ran in the summer at Moab were slow speeds,...

Ok I am going to ask some questions in trying to learn some stuff.

1) have you always ran TBI on this build?
2) Did you ever just run a carb and HEI? Did you ever take it climbing in Colorado...

Sadly Eagle Mark is no longer with us

Note you do not need to focus on GM vortex heads, they are prone to cracks and some other minor problems.

All after market heads are based on Vortex design now, thus buy new heads might be cheaper...

Not to be a party popper on the classic small block. I have spent a lot of time on an 80 Camaro with a 350 rebuilding the engine and a lot of other stuff.
I also have some experience swapping and LS...

Thanks

Afternoon guys, getting ready to install an AEM wide band on the 95 GM OBD1 7427 PCM

I cant find the wiring info, I know there's only 1 wire that connects to the PCM but what pin is it in the...

Permatex 2 is resistant, not gas proof. Get some Teflon tape or pipe sealant and you should be good to go.

Ok, Seeing it is the NPT gag ports get something like this shown below. My thinking is the gage ports were tapped a little to deep and that when you put plugs or gage in you are not getting the...