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CMI Carnage 31mar&1Apr! Post em up if you got em!

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Old Apr 3, 2007 | 07:32 AM
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Default CMI Carnage 31mar&1Apr! Post em up if you got em!

Here's what went down on my last pass. Took off in first,no problem. 2nd, no problem. 3rd gear no problem(spun a little), when i slammed into 4th I thought I felt and heard a mishift, pulled out of gear and reengaged 4th and that's all she wrote...melt down. The funny thing is that on the return road the motor still ran. Once I shut down and was pulled to the pits i could no no longer fire it back up.

Still trying to get a handle on my Accord until this happened on my 4th and final pass against Coleman's Delsol.

Best time: 11.4@115, best MPH:11.5@127(on a blown motor)

#4 piston melt down


#3


#2




BOTI in Sacramento tasting good right now......

Modified by accordking at 3:55 PM 4/3/2007


Modified by accordking at 3:56 PM 4/3/2007
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Old Apr 3, 2007 | 08:23 AM
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Default Re: CMI Carnage 31mar&1Apr! Post em up if you got em! (accordking)

congrats on the times but sorry for the melt down....i hate it when that happens....good luck and see yah at the next race........
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Old Apr 3, 2007 | 08:25 AM
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Default Re: CMI Carnage 31mar&1Apr! Post em up if you got em! (SVPCEO)

Thanks Joe, at least their isn't a hole in the block, then it would really suck.
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Old Apr 3, 2007 | 08:49 AM
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Default Re: CMI Carnage 31mar&1Apr! Post em up if you got em! (accordking)

Doesn't look as bad......you can just remove the piston...and hone out the sleeve a little....drop in a new piston...and you are good to go.......

That saves you from taking out the motor.....

I have done that many times with the motor that's in my car.

As long as your cylinder wall is o.k.

BTW.....my piston #3 gave up....no carnage...just knockin........right after that 10.58 run.........shut it down in 4th gear.........after feeling loss of power.
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Old Apr 3, 2007 | 08:51 AM
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Default Re: CMI Carnage 31mar&1Apr! Post em up if you got em! (og asr)

looks like CP pistons....
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Old Apr 3, 2007 | 01:40 PM
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Default Re: CMI Carnage 31mar&1Apr! Post em up if you got em! (RedZone)

who tuned it?
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Old Apr 3, 2007 | 02:07 PM
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Off topic but where can I get that scatter shield from for the tranny?
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Old Apr 3, 2007 | 02:15 PM
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Default Re: (akaRacerX023)

Golden Eagle
http://www.accountwizard.com/c...hield
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Old Apr 3, 2007 | 02:27 PM
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Default Re: CMI Carnage 31mar&1Apr! Post em up if you got em! (RedZone)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by RedZone &raquo;</TD></TR><TR><TD CLASS="quote">looks like CP pistons....</TD></TR></TABLE>

yup
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Old Apr 3, 2007 | 02:29 PM
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Nice times man, sorry to see the outcome..
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Old Apr 3, 2007 | 02:31 PM
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Default Re: CMI Carnage 31mar&1Apr! Post em up if you got em! (wHOAlly)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by wHOAlly &raquo;</TD></TR><TR><TD CLASS="quote">who tuned it?</TD></TR></TABLE>

Andy Chan @ Speed Element. The tune was very conservative. I know for sure the tune wasn't the culprit.
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Old Apr 3, 2007 | 02:36 PM
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Default Re: CMI Carnage 31mar&1Apr! Post em up if you got em! (accordking)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by accordking &raquo;</TD></TR><TR><TD CLASS="quote">

Andy Chan @ Speed Element. The tune was very conservative. I know for sure the tune wasn't the culprit.</TD></TR></TABLE>

your pistons were the culprit......I dislike the CP piston for this reason....cylinder temps get to hot and the edges melt away....to thin near the valve relief...
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Old Apr 3, 2007 | 02:47 PM
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Default Re: CMI Carnage 31mar&1Apr! Post em up if you got em! (RedZone)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by RedZone &raquo;</TD></TR><TR><TD CLASS="quote">

your pistons were the culprit......I dislike the CP piston for this reason....cylinder temps get to hot and the edges melt away....to thin near the valve relief...</TD></TR></TABLE>

I totally agree with you on the piston design. However, I need to reposition my fuel cell so the fuel pump is being gravity fed.
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Old Apr 3, 2007 | 09:46 PM
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Default Re: CMI Carnage 31mar&1Apr! Post em up if you got em! (accordking)

OUCH!
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Old Apr 3, 2007 | 10:01 PM
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Default Re: CMI Carnage 31mar&1Apr! Post em up if you got em! (BEAVERTOOTH)

Ouch sorry to see that...

how did the plugs look and did the pistons have any signs of det?

Next time around lets put an EGT on there to make sure something like that doesnt happen again.

JE pistons, a couple years back had that same issue with the valve relief being too thin in that area... Is this a common problem on CP's?

The piston I like is the Endyn Rollerwave, it is very thick in that area and is not compromised.
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Old Apr 4, 2007 | 01:04 AM
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Default Re: CMI Carnage 31mar&1Apr! Post em up if you got em! (SEFIxCivic)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SEFIxCivic &raquo;</TD></TR><TR><TD CLASS="quote">Ouch sorry to see that...

how did the plugs look and did the pistons have any signs of det?

Next time around lets put an EGT on there to make sure something like that doesnt happen again.

JE pistons, a couple years back had that same issue with the valve relief being too thin in that area... Is this a common problem on CP's?

The piston I like is the Endyn Rollerwave, it is very thick in that area and is not compromised.</TD></TR></TABLE>

very common with CP from what I have seen, I dont think there is anything you could have really done unless you had an A/F of 10.8:1 or lower to keep the temps down, but then where are you suppoed to make the power....


Modified by RedZone at 9:28 AM 4/4/2007
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Old Apr 4, 2007 | 04:47 AM
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Default Re: CMI Carnage 31mar&1Apr! Post em up if you got em! (RedZone)

my cps did that to along with going farther than that.
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Old Apr 4, 2007 | 12:02 PM
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nice run with the accord great times this must happen sunday coz i saw it running consistent on saturday
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Old Apr 4, 2007 | 01:14 PM
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Default Re: (h22silvia)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by h22silvia &raquo;</TD></TR><TR><TD CLASS="quote">nice run with the accord great times this must happen sunday coz i saw it running consistent on saturday</TD></TR></TABLE>

when the melt down happened it yield me an 11.5@127mph pulling out of 4th gear and then reengaging(thought I misshifted)
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Old Apr 4, 2007 | 04:52 PM
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Default Re: CMI Carnage 31mar&1Apr! Post em up if you got em! (RedZone)

Thanks redzone, that puts my mind at ease
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Old Apr 4, 2007 | 10:10 PM
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Default Re: CMI Carnage 31mar&1Apr! Post em up if you got em! (SEFIxCivic)

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Old Apr 4, 2007 | 10:54 PM
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Default Re: CMI Carnage 31mar&1Apr! Post em up if you got em! (RedZone)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by RedZone &raquo;</TD></TR><TR><TD CLASS="quote">looks like CP pistons....</TD></TR></TABLE>

same thing happend to mine
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Old Apr 5, 2007 | 11:25 AM
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Default Re: CMI Carnage 31mar&1Apr! Post em up if you got em! (accordking)

I feel bad for you...all those years trying to get her running again. bigger and better things now!
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Old Apr 5, 2007 | 08:44 PM
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Default Re: CMI Carnage 31mar&1Apr! Post em up if you got em! (Supahr_Ed)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Supahr_Ed &raquo;</TD></TR><TR><TD CLASS="quote">I feel bad for you...all those years trying to get her running again. bigger and better things now!</TD></TR></TABLE>

hey, that's racing. just need to redesign what caused this,fix the motor and back to the track for some 3rd gear burnouts again! I will hit a test and tune before BOTI that's for sure!
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Old Apr 6, 2007 | 05:57 AM
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Default Re: CMI Carnage 31mar&1Apr! Post em up if you got em! (accordking)

That's what I like to here. Do what you gotta do and get back out there. You and I are really close to our personal goals, so lets "Do Work Son!!" - Rob and Big reference.
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