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11-21-2009, 07:15 PM
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Swapped 700r4 now the engine is backfireing?
I had a back torque converter leak. I came across the whole 700r4 for a good price so I swapped it. I went for a testdrive today and it went into first gear second then I stepped on it and it bogged out and backfired..Someone in the transmission threads said because I didnt remove the Distributor..i might have(which it did) pressed agianst the firewall and messed it up. My question is...if It is messed up..can I just replace the cap maybe adjust the timing or do I need to replace the whole dist. includint the shaft that goes into the engine? Thanks.
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11-21-2009, 08:20 PM
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Quote:
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11-21-2009, 09:36 PM
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Yep, just the cap and rotor, the distributor shaft and housing are strong enough you couldn't have hurt them.
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11-21-2009, 10:04 PM
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do I need to know what kind of Dist. I have or will any sbc dist. work. How do I set up the timing after replacing it?
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11-21-2009, 11:28 PM
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I would replace the cap and rotor then run a timing light to see if any adjustments need to be made. You shouldn't have to adjust the distributor unless it got turned when the cap got cracked.
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11-22-2009, 12:43 AM
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What trans was previously in the vehicle? if it was any trans that used a modulator valve did you plug the vacuum line? If not it`ll run as you discribe.
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11-22-2009, 01:04 AM
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Quote:
It had a 700r4 and I replaced it with a 700r4- do they have a modular valve?
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11-22-2009, 05:52 AM
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Nope that`s why I asked what tranny it had previously.
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11-22-2009, 06:37 AM
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Can I put a MSD dist. cap and rotor kit on my stock dist. if indeed my cap is broken ?
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11-22-2009, 03:23 PM
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could have also pinched some wires between the block and bellhousing...does it run fine in park?
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11-22-2009, 06:51 PM
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Quote:
it does run fine in park..it just replaced the cap and rotor..but in the process of putting on the rotor i turned it slightly..did I throw my timing off? now it seems to not backfire as much but when I put it in reverse It sounded like it wanted to turn off.. How do I set the timing right?
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11-23-2009, 05:21 PM
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if its missing will it backfire
i replaced the distributor and its still running the same..its actually running worse now. It idels rough and seems like its missing. When I put it in drive it seems like it wants to turn off, any ideas?
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11-23-2009, 05:54 PM
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check your voltage going to the dizzy and check for a pinched off ground or power wire between block and bellhousing
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11-23-2009, 06:02 PM
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ok, turns out I had a couple wires crossed I fixed that but its still running like it did before I replaced the dist.
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11-24-2009, 08:54 AM
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Set the timing. You will need a timing light, and the specs for your engine. Y/M/M would help. If did not get the dizzy back in exactly the same position when you replaced it, your timing will be off, and could be a considerable amount.
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