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Re: changed cams......pops out the exhaust now
[Re: GTX MATT]
#798802
09/12/10 01:13 AM
09/12/10 01:13 AM
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Joined: Jan 2004
Posts: 27,347
Today? Who Knows?
1_WILD_RT
Management Trainee
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Management Trainee
Joined: Jan 2004
Posts: 27,347
Today? Who Knows?
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Quote:
Double check the cam and make sure that its not for a 426 hemi
Ouch... Actually it wouldn't run because that would effect all cylinders equally... Which is what is odd about this whole thing cause anything related to cam timing would be effecting all cylinders too... Unless theres a problem with how the cam was ground or the condition of the lobes... The fact all cylinders show good compression makes that unlikely... Which is why I liked the firing order idea but thats been double checked sooo....
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Re: changed cams......pops out the exhaust now
[Re: GTX MATT]
#798803
09/12/10 01:17 AM
09/12/10 01:17 AM
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Joined: Jan 2004
Posts: 27,347
Today? Who Knows?
1_WILD_RT
Management Trainee
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Management Trainee
Joined: Jan 2004
Posts: 27,347
Today? Who Knows?
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Quote:
Double check the cam and make sure that its not for a 426 hemi
Ouch...
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Re: changed cams......pops out the exhaust now
[Re: 1_WILD_RT]
#798804
09/12/10 01:22 AM
09/12/10 01:22 AM
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Joined: Jun 2006
Posts: 5,162
CT
GTX MATT
master
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master
Joined: Jun 2006
Posts: 5,162
CT
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Quote:
Quote:
Double check the cam and make sure that its not for a 426 hemi
Ouch... Actually it wouldn't run because that would effect all cylinders equally... Which is what is odd about this whole thing cause anything related to cam timing would be effecting all cylinders too... Unless theres a problem with how the cam was ground or the condition of the lobes... The fact all cylinders show good compression makes that unlikely... Which is why I liked the firing order idea but thats been double checked sooo....
Good point, the compression test would have turned back something odd.
Heres and odd question open to your judgement, does it sound like an 8 cylinder engine?
Last edited by GTX MATT; 09/12/10 01:24 AM.
Now I need to pin those needles, got to feel that heat
Hear my motor screamin while I'm tearin up the street
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Re: changed cams......pops out the exhaust now
[Re: E85-408]
#798808
09/12/10 01:41 AM
09/12/10 01:41 AM
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Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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IF it's a vac leak the bathtub gasket may have a leak on the underside
live every 24 hour block of time like it's your last day on earth
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Re: changed cams......pops out the exhaust now
[Re: E85-408]
#798810
09/12/10 01:51 AM
09/12/10 01:51 AM
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Joined: Feb 2004
Posts: 4,501
Gainesville,FL
goldmember
master
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master
Joined: Feb 2004
Posts: 4,501
Gainesville,FL
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Quote:
Quote:
Your NOT using the MP chart to set lash? Correct. I hope so.I assume the plug wires are installed correctly. Did you drop a plug? I'd remove them all and have a look maybe you will find a cylinder to look at more closely. You don't need a degree wheel or to remove the timing cover to confirm cam timing. PM me if you exhaust all these other simple things.
Ive set the lash 3-4times now I just use the starter bumper until I see the intake close one more bump and then set it. With plugs in or the starter bump rotates the motor too far. I dropped the number 6 plug more times then I care to think about but make sure I didnt smash it closed. 440 with TTI headers in a dart with inner fenders is a royal pain to change. I'll run through all again tomorrow see if I over looked anything.
Change the number 6 plug if you have kept up with it and not moved it to another hole.. Plugs are easily damaged without smashing them closed. Try it,easy and cheap.
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Re: changed cams......pops out the exhaust now
[Re: Baxter61]
#798811
09/12/10 08:07 AM
09/12/10 08:07 AM
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Joined: Jan 2003
Posts: 397
North Carolina
jt1
enthusiast
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enthusiast
Joined: Jan 2003
Posts: 397
North Carolina
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Quote:
BB dist rotate counter-clockwise, so your firing order may be correct for a SB but not BB.
Double check this, it's bit me before. Almost unbelievably, the thing would run but very poorly, firing order correct but direction of rotation wrong.
John
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Re: changed cams......pops out the exhaust now
[Re: E85-408]
#798812
09/12/10 02:06 PM
09/12/10 02:06 PM
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Joined: Feb 2003
Posts: 8,020
Pangaea
B5 Bee
master
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master
Joined: Feb 2003
Posts: 8,020
Pangaea
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Quote:
Ive set the lash 3-4times now I just use the starter bumper until I see the intake close one more bump and then set it. With plugs in or the starter bump rotates the motor too far.
This isn't the correct way to set valves.
The MP chart works with sold flat tappet and small roller cams.
Without the MP chart;
Set the int just as the exh begins to open.
Set the exh just before the int fully closes.
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