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ajj439
New User
Aug 6, 2013, 8:09 AM
Post #1 of 16
(1491 views)
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i just changed the motor in my 70 nova from a 350 to a 454. heres the problem when i try to turn over with the key the starter just hits the fly wheel and makes a clink sound. sometimes if i try 6 or 7 times it will finally engage and start the motor. if i put on my 40 amp charger it will start every time i turn the key. i thought the battery was bad it only had 550 cold cranking amps so bought a new battery with 700 cca. and it did the same thing so i exchanged that new battery for another new one and it does the same thing. i put a meter on battery and it has 13.7 volts. i checked for loose connections at the battery and at the starter and all wires are tight. the starter is also new .can you help im going nuts.
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Hammer Time
Ultimate Carjunky
/ Moderator
Aug 6, 2013, 9:18 AM
Post #2 of 16
(1476 views)
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I would do a voltage drop test on all the cables, both negative and positive.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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ajj439
New User
Aug 6, 2013, 9:21 AM
Post #3 of 16
(1474 views)
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HOW DO I DO A VOLTAGE DROP TEST ON THE NEGITIVE CABLE.
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Hammer Time
Ultimate Carjunky
/ Moderator
Aug 6, 2013, 9:32 AM
Post #4 of 16
(1472 views)
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Take a digital voltmeter and attach the black lead to the negative battery post and the red lead to the engine block. Have someone hit the starter and read the meter. If it shows anything over half a volt, there is a problem with the cable.
Do the same test with the positive side but use the positive terminal of the battery and the main terminal of the starter. You're basically running the meter around the cable you are testing.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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ajj439
New User
Aug 6, 2013, 9:51 AM
Post #5 of 16
(1468 views)
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THANKS MAN , IM AT MY WITS END WITH THIS THING.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Aug 6, 2013, 11:37 AM
Post #6 of 16
(1459 views)
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ajj: Consider just getting (1) gauge battery cables to a good known and tested battery new or not. Lots of those just loved the greatly lower resistance of of the fatter wires to carry the power much better. Bet the test HT mentioned would show the drop.
That's a lot of engine to turn and needs all it can get,
T
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Hammer Time
Ultimate Carjunky
/ Moderator
Aug 6, 2013, 11:41 AM
Post #7 of 16
(1455 views)
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I wouldn't start changing anything until you pinpoint the problem.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Aug 6, 2013, 11:59 AM
Post #8 of 16
(1453 views)
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I would and did when they were new. They plain worked better then. Used to call them 6v cables probably some bucks now if good real copper cables not that junk they sell today. May not be the whole issue but a good improvement,
T
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Hammer Time
Ultimate Carjunky
/ Moderator
Aug 6, 2013, 12:32 PM
Post #9 of 16
(1449 views)
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AGAIN, find the problem first before disturbing anything. Once you know why this thing isn't starting, then you can upgrade things.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Aug 6, 2013, 4:36 PM
Post #10 of 16
(1436 views)
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Trust me - that's part of the problem as said if not most of it. Was a huge problem with high compression and a hot engine especially,
T
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Hammer Time
Ultimate Carjunky
/ Moderator
Aug 6, 2013, 4:39 PM
Post #11 of 16
(1432 views)
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I don't doubt for one second that it COULD be part of the issue but you you please let us find the problem before we start disturbing things so we know for sure where the issue was.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Aug 6, 2013, 4:48 PM
Post #12 of 16
(1428 views)
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What I'm saying is do that anyway problem or not. About can't be OE cable which were top post and just spring loaded to be tight not a nut/bolt or side posts yet. The luxo boat cars had option of two batteries,
T
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Hammer Time
Ultimate Carjunky
/ Moderator
Aug 6, 2013, 4:51 PM
Post #13 of 16
(1425 views)
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OK, your want to fix this car? It's all yours. I'm sick of this crap. You help the guy I'm done here.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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MarineGrunt
Enthusiast
Aug 7, 2013, 10:08 AM
Post #14 of 16
(1402 views)
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Just give me the car....that would at least solve the problem for you. 
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Discretesignals
Ultimate Carjunky
/ Moderator
Aug 7, 2013, 5:45 PM
Post #15 of 16
(1395 views)
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You could always mount this to the harmonic balancer:
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Aug 7, 2013, 10:55 PM
Post #16 of 16
(1391 views)
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Don't give away all our secrets DS - LMAO,
T
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