Re: Need help from a Buick Oddfire V6 Guru
As you know it has sludge you might want to change the oil and filter early
for a few times with something that is very high in detergents. "billy ray" <billy_ray@fuseSPAM.net> wrote in message news:... > Perhaps he does not understand how to correct the problem if he is one > tooth when the distributor was installed. > > If it is one tooth off it may still be timeable if the distributor can be > rotated sufficiently. > > Check the timing, with a light, while cranking. If you are one tooth off > you may have to search to find the mark. I used to rub chalk or paint the > marks with nail polish for visibility. > > I do not know if this V-6 is an interference engine. Do you know Bill? > > Note where the rotor points while installed. > Carefully and slowly remove distributor > Note where rotor now points. > Rotate rotor one tooth in the appropriate direction > Slowly re-insert distributor > Rotor should point directly to cylinder #1 terminal > Check timing. > > Do you have a timing light? If not you can do it manually by setting the > timing mark at the appropriate advance and rotating the distributor until > you get a spark. > > > "Mike Romain" <romainm@sympatico.ca> wrote in message > news:4430251A.A84117DF@sympatico.ca... >> Sorry I don't own one. >> >> It is normal for the rotor to be slightly past #1 if the timing is set >> at 5 or more degrees BTDC. What that means is the rotor will hit the >> contact before the engine hits TDC so when the engine finally is at Top, >> the rotor has past the contact post for #1 wire. >> >> The fire happens when the metal part of the rotor first hits the post on >> the cap or just when the points first crack open. >> >> You turn the distributor's case to fine tune it in. This can be done >> with a timing light even if it isn't running. The starter cranking will >> be enough to make the light flash. A test light on the points for a >> static test will tell too. Set the distributor nut down at first >> flicker. >> >> You should have a notch on the flywheel that indicates TDC also. >> >> I don't understand how your rotor can point to both places. Either it >> is right on the center of the post for the wire if you have the >> prestolite distributor or it is inbetween 1 and 6 for the delco remy. >> >> You turn the distributor's case to fine tune it in. This can be done >> with a timing light even if it isn't running. The starter cranking will >> be enough to make the light flash. A test light on the points will tell >> too. Set the distributor at first flicker. >> >> The one that catches most folks is the two different top dead centers >> the #1 piston has with one 360 rotor rotation. >> >> Mike >> >> Bill Lahr wrote: >>> >>> Milke, >>> >>> Thanks. It is difficult to tell from a book. I have a Haynes manual, but >>> the drawing isn't that clear and it doesn't have any details on the >>> early GM engines, only the similar Dauntless V6. The rotor is wide on >>> the Oddfire distributor and mine will either center on #1 at TDC on the >>> compression stroke or point between #1 and #6. If you have one of these >>> engines (Delco distributor), could you pop the cap and look at where the >>> centerline of the rotor points at TDC? There is a small notch on the >>> distributor that represents the #1 position. One would assume it would >>> point to that mark, not past it. >>> >>> Bill >>> >>> Mike Romain wrote: >>> > My book shows it to be at the 5:00 position looking at it from the >>> > front >>> > of the engine with the firing order 165432 clockwise. >>> > >>> > Yours sounds like it is off a gear tooth maybe on the rotor or the >>> > distributor needs to be turned to clock it. It should be at 1 or just >>> > slightly after towards the 6. My book also shows two different >>> > advances. It says 0 for the prestolite distributor and 5 deg for the >>> > delco remy. >>> > >>> > Also make sure it is on the compression stroke TDC, not the exhaust >>> > stroke's TDC. You can stick you finger in the plug hole and feel the >>> > compression as it comes up. >>> > >>> > Mike >>> > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 >>> > 88 Cherokee 235 BFG AT's >>> > Canadian Off Road Trips Photos: Non members can still view! >>> > Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 >>> > (More Off Road album links at bottom of the view page) >>> > >>> > Bill Lahr wrote: >>> > >>> >>I'm trying to fire up a '61 CJ5 that I am almost finished restoring. >>> >>Engine is from a '64 Buick Special, suspect it is the 198ci because it >>> >>has a Rochester Monojet rather than the 2bbl found on the 225. No >>> >>matter, same block, etc. I have compression, I have manifold vacuum, >>> >>rebuilt the carb, have fuel, rebuilt the distributor (vacuum advance >>> >>had >>> >>a hole in it) and have spark, but it won't start. The previous owner >>> >>had >>> >>installed a new timing chain after he parked it, but never drove it, >>> >>and >>> >>I assume he did that correctly or it would have destroyed a valve in >>> >>cranking it over. But he apparently had to pull the distributor. It is >>> >>driven by a hypoid gear that causes the rotor to twist as you remove >>> >>it, >>> >>so I suspect he may not have inserted it correctly. At TDC, the rotor >>> >>was pointing midway between #1 and #6. >>> >> >>> >>There is a small notch on the side of the distributor housing that >>> >>marks >>> >>the #1 position. What I need is for someone with an Oddfire engine to >>> >>set it to TDC and tell me where the centerline of the contact strip on >>> >>top of the rotor is pointing. (The contact is wide at the end, but >>> >>please ignore that.) Right now, mine points directly at the notch, but >>> >>I >>> >>am not sure if this is correct. I can't find any manuals that cover an >>> >>engine this old. I need to set the ignition timing before I can finish >>> >>troubleshooting it. >>> >> >>> >>Thanks. >>> >>-- >>> >> >>> >>Bill Lahr >>> >>mr.bill@pcmagic.net >>> >>> -- >>> >>> Bill Lahr >>> mr.bill@pcmagic.net > > |
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