Reading plugs with C6
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Reading plugs with C6
Im not sure if this belongs in trans tech or nitrous tech but what I was always told was go through the traps throw it in neutral and shut the motor off to get a clean plug reading after a nitrous pass. I did it 3 times the last time out and it went fine. Now I read that it is bad for the trans and it can explode the drum because it shuts the pump off and the shaft speed is extremely high. It is a stock rebuild C6 with red alto clutches and a foward manual vb.
Here are some posts on the subject:
http://yellowbullet.com/forum/showthread.php?t=199971
http://yellowbullet.com/forum/showthread.php?t=8215&highlight=neutralling&page=2
They are all chevy threads but I guess Fords are the same. What should I do to get a clean plug reading?
Here are some posts on the subject:
http://yellowbullet.com/forum/showthread.php?t=199971
http://yellowbullet.com/forum/showthread.php?t=8215&highlight=neutralling&page=2
They are all chevy threads but I guess Fords are the same. What should I do to get a clean plug reading?

droppedf100- Posts: 71
Join date: 2009-09-29
Location: South Jersey
Re: Reading plugs with C6
I'm not a Tranny guy by NO means so I can't say what it could do. But I use to do it in the Maverick all the time and I never had any problems. As a matter of fact, the ole Mav ran high 9's and low 10's for the 12 years I raced it and never once had a problem w/tranny. Freshened it up once after 7 and thats it.
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bbf-falcon- Posts: 2428
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Re: Reading plugs with C6
I have heard of this problem in the Chevy transmissions (TH400) but never in a C6.
Edit: After reviewing the posted threads on YB all of those guys are talking about GM units. Down shifting, starting a burnout in 1st is all easy ways to break one of those units.
Edit: After reviewing the posted threads on YB all of those guys are talking about GM units. Down shifting, starting a burnout in 1st is all easy ways to break one of those units.
Last edited by jones on January 12th 2010, 5:39 pm; edited 1 time in total
jones- Moderator

- Posts: 985
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Re: Reading plugs with C6
PM Frank... he knows
res0rli9- Posts: 713
Join date: 2008-12-02
Age: 60
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Re: Reading plugs with C6
From a safety standpoint I wouldn't "throw it into nuetral". I know most all shifters have a reverse lock-out but they do fail. If you have ever seen someone hit reverse at the traps you will understand.
I have and he is now dead, he was only going 11.40 @ 116. Better safe than sorry and it is easier on the tranny and trying to stop.
I have and he is now dead, he was only going 11.40 @ 116. Better safe than sorry and it is easier on the tranny and trying to stop.
hotrod9- Posts: 1
Join date: 2009-12-20
Re: Reading plugs with C6
I know it was all gm junk but they said all 3 speeds. I think C6s have a certain burnout procedure as well. I dont remember what it was though.

droppedf100- Posts: 71
Join date: 2009-09-29
Location: South Jersey
Re: Reading plugs with C6
Click into nuetral ,won't hurt a thing on a C6 ,I do it on every pass !! and shut the motor off
Frank
Frank

Frank Merkl- Posts: 79
Join date: 2008-12-18
Re: Reading plugs with C6
Nice. So a C6 doesnt need anything special to do this? Damn chevy guys dont know anything lol.

droppedf100- Posts: 71
Join date: 2009-09-29
Location: South Jersey
Re: Reading plugs with C6
droppedf100 wrote:Nice. So a C6 doesnt need anything special to do this? Damn chevy guys dont know anything lol.
they know them chevy will go BAM BOOB and then they have to clean parts up
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69F100- Posts: 1123
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Re: Reading plugs with C6
How do you "throw it into neutral" with a reverse manual valve body? If you try to shift into neutral, it will downshift to 2nd and 1st before you get there
! I would think that something might go bang-boom before you got there.
Gary
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GTmustang- Posts: 136
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Re: Reading plugs with C6
Frank,
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NO FAIR- Posts: 51
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Re: Reading plugs with C6
GTmustang wrote:How do you "throw it into neutral" with a reverse manual valve body? If you try to shift into neutral, it will downshift to 2nd and 1st before you get there! I would think that something might go bang-boom before you got there.
Gary
did this once with my rev vb c4, I did it fast and its still caught 1st gear, good thing it was at the end of the track.........f-ckd the tranny up too.
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richter69- Posts: 3303
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Re: Reading plugs with C6
When I ran my C6 (only about 700-750hp) I never had an issue with popping it into neutral with a reverse VB. I can't speak for the C4 guys, but the C6 is one of the toughest tranny's out there.
Yeah Frank, that car is totally B/A.
Doug...
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ThndrChkn- Posts: 1071
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Re: Reading plugs with C6
I do it all the time in my truck. My girls call it stealth mode. We will be coming down the street and about to be home. They want stealth mode, so I throw it in N and kill it. We coast down the street and up into the driveway. One time the neighbors were out in the front yard and gave us a weird look as my truck went by with no sound. My girls just waved.
dablack- Posts: 18
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