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| new guy https://www.slantsix.org/forum/viewtopic.php?t=8824 |
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| Author: | 77b100van [ Sat Mar 27, 2004 11:03 pm ] |
| Post subject: | new guy |
javascript:emoticon(':)') javascript:emoticon(':)')howdy slantheads im thenew kid on the /6 block. I drive a 77 b100 van probably 240000 origional been working very hard to pass smog. I love the challege enjoy the articles and look forward to sharing tips. This is a great forum my mech friend has a 60 something valiant i always have called him for advice beut have now found a new resource. Any smog tips would help have done a ton not much more to go yet. |
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| Author: | Pierre [ Sat Mar 27, 2004 11:24 pm ] |
| Post subject: | |
240k? Nice. Check compression first to make sure the rings are still good and not letting any oil through, and make sure there is no excessive blowby. Do a basic tuneup, replace plugs/cap and wires if necessary. If you want to go one step further install an aftermarket multiple spark igniton type box to ensure a more complete burn (MSD brand model 6a box even has a CARB # so you can legitimately pass smog with one installed). A hotter msd blaster2 coil (also has CARB#) would also help things out. Do you have leanburn/esc ignition? |
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| Author: | 77b100van [ Sat Mar 27, 2004 11:29 pm ] |
| Post subject: | done that |
did plugs cap wires fixed the exhaust leak new cat rebuilt carb fixed OSAC replaced vacuum advance i could go on for days it shuts down when you connect the vacuum amplifier to the air cleaner. |
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| Author: | 77b100van [ Sat Mar 27, 2004 11:32 pm ] |
| Post subject: | im unfamiliar |
Im unfamiliar with lean burn and don't know what blow by is my mecnanic friend checked compression and said it was acceptable could be a little better but not bad. We seem to try everthing but still too rich that is why i replace the carb and the Cat. |
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| Author: | 77b100van [ Sat Mar 27, 2004 11:36 pm ] |
| Post subject: | it has electronic ignition |
the haynes manual is only so helpful. It doesn't give me all that i need and mechanics run from my van. Pierre thanx for the advice i will call on you much more you seem to know your %$#@. |
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| Author: | Pierre [ Sun Mar 28, 2004 2:09 am ] |
| Post subject: | |
Ah ok electronic ignition... so neither leanburn or esc, which is confirmed because you said you have a vaccum advance pod on your distributor. Well, make sure the magnetic pickup in the distributor is gapped properly. I believe playing with timing (retarding, but I could be wrong) helps emissions as well. Do you remember what the compression numbers were? Fyi, blowby is when some of the combustion mixture leaks past the piston rings and pressurizes the crankcase. Good luck on passing man, sometimes it can be tough on the older engines, especially california smog. Oh, just thought of it, deffinately adjust the valves. |
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| Author: | 77b100van [ Sun Mar 28, 2004 12:20 pm ] |
| Post subject: | appreciate the advice |
thanx for the help did the vavles don't know what the compression rating was for each |
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