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Well. I checked the timing. It was dead on 0° but something was rattling and bugging the crap out of me so i pulled the air cleaner off. Took the...

Sorry about the delay, guys. Here's what I've got so far. not fully accurate, since I am missing a reset for the 4-bit counter, but it should get...

one thing that eagle mark pointed out was a ]].

Exactly!!! I was testing ohms and voltage drops every where i could!!! Lol. I knew i put 5 gal in. But. Ive no idea how many hours i ran it...

I see in the Rock listings that the 91 Astro used what looks like the trans mounted VSS. I don't know what it reads inside the trans, but my first...

Great that you're at this stage. I'm chuckling at your fuel/fuel gauge situation. ("You're out of gas, man," it's saying, and you're thinking,...

Okay.... So i still have not purchased the vss. However. Ive got my fuel guage verified. (was working. Just not enough fuel which lead to another...

I picked up a new harness with TCC solenoid. BWD S9844. Has Delphi printed on it in a couple places. Same manufacturer overseas makes a bunch of...

VERY LITTLE HP difference swapping from the TBI heads to TPI heads on these engines. Even Vortec heads do not see large gains until you go to a...

I think it was just age and where.bothwhere747s shode tps not working. this 288 was a remananfractured it shows map reading lower than than true,but...

The limiting factor on the engine is the heads, they just dont flow and need lot of work to be performers. A stock set of older model heads, TPI...

Yes, that is the article by Eagle Mark...too bad he passed away. So much information gone. Ah, ok on soldering and re-soldering...so, are you...

yes its not to bad if you know how to soider ,the article you read was it by eagle mark? I soidered the socket to the borad so I could close the lid....

I tested all the solenoids except the PCS, will have to dig up a 9V battery for that one, but I did check the resistance between the PCM pins that go...

Values in ohms are: 1-2 shift 21.2 2-3 shift 21.9 Press. Control 4.6 3-2 control 11.4 TCC 23.8 TCC control 11.2 Here's the bench-...

Anthony, you are one generous and great guy! I appreciate the offer to loan me your modified 4288. So, did you soldered in a 28-pin socket? I have...

it may take acouple days iwill get back to you. if you want to program chips or run your autoprom in live mode I have a 288 with the socket changed ...

Hey Anthony, again you come to my rescue. Thanks my friend, I appreciate and accept your offer to burn and send me the PROM. I have new 24-pin PROMs...

Thanks for offering additional insight! I should have mentioned that the case is a 95 K case and the pump does have PWM stamped on it and it was...

You may have a mechanical problem with the PWM valve and bore wear in the valve body. Another issue may be that the PWM (95-newer) transmissions use...

Would it be easier for me to swap to the 7730 ecm or do the inline resistor. The inline resistor interests me as I would like to learn more about it.

They sure look the same, and have the same wiring to them. But just in case, I have a smart ignition driver IC ready to intervene for the bargain...

The LT1 never used a black block PCM. I'm quite positive the OBDII LT1 PCM was unique to that engine the same as the OBDI PCM was. You can swap...

PCM controls the Dwell on a Vortec atleast. Guessing it is the same on a LT1 since I believe atleast the OBD2 LT1s used the same module.

I fished the case connector from the trans up to the engine bay. I'm going through the transmission wiring harness with it out of the car, connected...

Looking at your picture, you can take make a decent guess that TDC will be the leading edge of each low res notch since the leading edges are all...

handyman the autoprom wont burn a chipthat is not electircly arasable I think.if you post the bin you want burned I will burn you one and you can...

Lionel, I did consider the method you mentioned above before I drew up the current design. It would work, but it would take as much as 2 crank...

Here is how PCM interprets opti signal and what it counts. High res signal is counted at every slot full or empty, totalling 720 counts. Low res...