03-19-2012, 06:00 PM
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#1 |
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3" Exhaust
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mk3 supra backfiring
hello ive got a toyota supra 1990 turbo 5 speed manual it backfires when i start it so it turns over and then bang it backfires out of the intake. i think it might be timing becuase i havnt adjusted my cps yet but i also think it might be the firing order. can somone give me the firing order from the left to the right on the coils that the spark plug wires hook up to. thaks i appreciate all the help
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 2 fast 4 u
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03-19-2012, 06:37 PM
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#2 |
 Toyota Racing Development Join Date: Apr 2007
Posts: 5,038
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Search kid,
At the coil pack: 1-6-3-4-2-5 At the block: 1-5-3-6-2-4 http://www.toyota-supra.info/forums/...ease-help.html Get the wires in place and then set the CPS. See the FAQ on setting timing.
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03-19-2012, 09:57 PM
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#3 |
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3" Exhaust
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mk3 supra backfiring
ok i understand what the coilpacks numbers are but what about the block how would u set it like that so that i can then set my cps. thanks i know i might be annoying, sorry but please help me so far you have been and i really appreciate it thanks
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2 fast 4 u
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03-19-2012, 10:33 PM
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Toyota Racing Development Join Date: Apr 2007
Posts: 5,038
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Now you're pushing it.... google not working on your computer? Cylinders front to back = 1 to 6. Count them off and plug the wires in as listed above.
I've said it before and I feel I must say it again: The MKIII Supra is the WORST car for even a half experienced amateur... much less a complete novice. Any car this old is a terrible choice but the MKIII tends to always come in at the top of the list for bad daily driver/amateur project car.
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If something breaks or you need to contact a member of the administration please post HERE. Unless it's a private or administration matter please post it on the forum. It benefits no one else if car related questions aren't posted for future users and takes away from the time I'm able to spend helping on the rest of the forum. If you're so inclined I'm always more than happy to accept tips via PayPal. Tip Jar ---> |
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03-20-2012, 12:56 AM
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#6 |
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Toyota Racing Development Join Date: Apr 2007
Posts: 5,038
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I phrased that poorly but I think it was obvious enough in the thread I linked to. That's the order of ignition: #1 fires, then #5 fires, then #3 fires, then #6 fires, then #2, then #4. It's wasted spark so they really fire in pairs; One fires on the ignition stroke while the other is firing on the exhaust stroke. For now it's merely academic. Just focus on the coil order for now and get everything wired correctly.
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