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Timing settings? Well you look like you know what your doing with chevy trucks, very nice one. Can you tell me how in a step by step how to set the timing on my 87 chevy. Its the HEI and they say I have to disconnect that part to set the timing at zero and rehook it back up? From how nice...

Ok new problem with setting the timing right?? will run but seems to maybe over heating do to timing being off some what? Can some one tell me how to disconnect the ecm wire and how to find it>? thanks Roy:rolleyes:

timing?? :confused: Ok just need to know were to look for this ecm disconnetion? I have not found it yet and my timing is just guess work till I findout how to do this. thanks for any help here Roy

Ok found that the distributor pick modual was bad , went to Napa Auto and ended up replacing the whole distributor, cap rotor and pickup coil. It was cheaper to buy it as a package deal and fix it all. Fired right up. But now I am not sure how to correctly set the timing. I can't get...

found problem Yes , found out that the distributor pick module was bad. Went to Napa and got whole new distributor and fixed it . Also just added a new coil for the heck of it. :D

will not start now? This truck will not even try to start now. I even add some gas to the carb throttle boddy and nothing at all. Can you tell me what to look for? Acts like no sprak is getting to the plugs. These relays have me up against a wall. Thanks Roy

no spark now? Say everything has been fine till yesterday morning. It cranked over and over and not a hint of wanting to start. I tried to add some starting fluid and did nothing at all. Had to do to work so put the battery on charge and got home and no difference. Dont think I have any...

I have a 1987 3/4 ton 4x4 standard trans. About 2 months ago installed new fuel switching valve . Ran great till today and just never would fire up. Added some gas to the carb TBI and never even a sputter. It was 19* degrees here this morning , but that should not stop it from starting. I...

Its working great now. I got time to use the truck and the left tank gauge seems to be working. I had not been able to us any gas out of that tank for a while , but now it is working fine. I changed the switch and the fuel switching valve under the passenger seat. Its great when you can get...

Fuel switching unit!@! Ok I had time to get under the 87 chevy 3/4 ton 4x4 and change out the fuel selector valve with all those hoses. Some job to ! I also changed the switch on the dash as well. Before the switch under the passengers seat so that told me something there. As soon as I...

switch over device I think my switch over valve is not operating correctly. It runs good on right tank and cuts out as i try to change the tanks over. Hope this will fix it. I was wondering can one clamp the fuel lines off and make this change with out dropping the tank? And the ground...

fuel tanks Hello Don: Say got around to working on that 87 chevy fuel tank problem. I first put back in the sending unit on top of the engine. I used a Tee and now have the sending unit back in the system and the mechanical oil gauge next to it. I then tried to switch tanks and the right...

Fuel problems in tanks Thanks Don for your information. I will be working on the truck tomorrow and will let you know what I find. I was looking at a wireing diargram and see the oil sending unit says as its tittle is ( oil/fuel sending unit.) I just change my electrical oil gauge to...

fuel problems between tanks? What does the CPU ? sorry. I am trying to get my driver side tank to work now. I am just getting into the problem this weekend to fix it. It runs on the passenger tank and just wont switch. Was the wire near the exhaust pipe? Thanks

Yes , need help to find out why the oil pressure gauge goes to 60lbs as soon as the key is turned on and stays there till its turned off. So the oil psi really does not effect what it does. Its a electric gauge. I replace the gauge and same problem. Not sure what to do , any tips out there...