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How long to turn the ignition and let it crank?

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Old 04-28-2017, 07:15 AM
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How long to turn the ignition and let it crank?

The owners manual says you can let it crank for 10 seconds. I've found that when cold it starts right up no problems but when warm I have to let it crank for maybe 5 seconds before it starts. I hope this doesn't indicate a problem. I have new spark plugs. I hope I don't need a new starter motor or worse as I just bought it 3 weeks ago.
Old 04-28-2017, 07:19 AM
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First welcome to the addiction

Second read the new owners thread about 10 times then read it again
https://www.rx8club.com/new-member-f...t-here-202454/

Third when you make threads with issues give as much details as possible about the car( year miles etc) its hard enough to diagnose a car on the interwebz
Old 04-28-2017, 07:21 AM
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87 seconds cause 87 is always the answer
Old 04-28-2017, 07:36 AM
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Originally Posted by sonicsdaman
First welcome to the addiction

Second read the new owners thread about 10 times then read it again
https://www.rx8club.com/new-member-f...t-here-202454/

Third when you make threads with issues give as much details as possible about the car( year miles etc) its hard enough to diagnose a car on the interwebz
It's an 05 with 83000 miles. Mine has an automatic trannie but the dealer has a 6 speed that's getting a refurbished motor with 22000 miles on it. He mentioned that he might swap cars with me if I want the 6 speed. Mine is grey and has a good body and paint job on it. The dealer said the 6 speed is blue and is sharper looking. I'll take a look at it when they finish installing the new motor. He did say that the mechanic doing the engine is very slow as he is just doing this job as side work. His full time job is a mechanic at a Cadillac and Nissan dealer.
Old 04-28-2017, 07:37 AM
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Originally Posted by matt1162
The owners manual says you can let it crank for 10 seconds. I've found that when cold it starts right up no problems but when warm I have to let it crank for maybe 5 seconds before it starts. I hope this doesn't indicate a problem. I have new spark plugs. I hope I don't need a new starter motor or worse as I just bought it 3 weeks ago.
Sounds like low compression to me. Before you do anything else, get a rotary-specific compression test done. You should get 7-8 numbers: pressures for each face of the front rotor with an RPM and pressures for each face of the rear rotor (usually) with an RPM.

Post the results here.

Originally Posted by 200.mph
87 seconds cause 87 is always the answer
Lies!
Miata
Is
Always
The
Answer
Old 04-28-2017, 09:16 AM
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Originally Posted by matt1162
It's an 05 with 83000 miles. Mine has an automatic trannie but the dealer has a 6 speed that's getting a refurbished motor with 22000 miles on it. He mentioned that he might swap cars with me if I want the 6 speed. Mine is grey and has a good body and paint job on it. The dealer said the 6 speed is blue and is sharper looking. I'll take a look at it when they finish installing the new motor. He did say that the mechanic doing the engine is very slow as he is just doing this job as side work. His full time job is a mechanic at a Cadillac and Nissan dealer.
I would jump on that trade. Fresh engine, more powerful engine and the correct transmission choice.
Old 04-29-2017, 10:28 PM
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Originally Posted by Loki
I would jump on that trade. Fresh engine, more powerful engine and the correct transmission choice.
Yeah, any car with an auto tranny is like a snooze fest for me now. I am one of those converts.

The only concern I would have is the fact that the dealership would probably make OP pay quite a bit. I mean, wouldn't OP be technically trading in the AT RX-8 and getting the MT RX-8? I would be surprised if the dealership doesn't try to take advantage of OP.
Old 05-04-2017, 10:01 AM
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