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a few dull tubes on my headers
#723115
06/13/10 04:58 PM
06/13/10 04:58 PM
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Joined: Dec 2004
Posts: 10,555
Rittman Ohio
fourgearsavoy
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OP
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Rittman Ohio
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A few weeks ago I raced my Savoy for a few shakedown runs without the mufflers and I noticed a few of my tubes are now slightly dull.This means I have a lean issue causing the excessive heat on a few tubes no? I never had this problem with a few hundred miles on the street with full exhaust. Gus 
64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
Dana 60
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Re: a few dull tubes on my headers
[Re: nss guy]
#723117
06/13/10 07:09 PM
06/13/10 07:09 PM
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Joined: Dec 2004
Posts: 10,555
Rittman Ohio
fourgearsavoy
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Well I pulled the plugs from the pipes in question and they are white/gray but no aluminum yet  I am going up a few sizes on the primaries as the front tubes are the ones getting dull #1 and #2 plugs look like they are more lean than the rest. Gus
64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
Dana 60
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Re: a few dull tubes on my headers
[Re: DennisJ]
#723119
06/13/10 07:39 PM
06/13/10 07:39 PM
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Joined: Dec 2004
Posts: 10,555
Rittman Ohio
fourgearsavoy
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Rittman Ohio
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I just ran a 7.34 with very little traction with a 1.7 60' and my car usually done a 1.5 with a 9" tire.I think my new engine might be a little too much for a 9" tire.The ET Street radial went up in smoke instantly when I tried those.Then I put on a brand new pair of 9-28 ET slicks and it brought my 60 from 2.3  to 1.7. I may need a minitub and a 10.5 tire. Gus
64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
Dana 60
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Re: a few dull tubes on my headers
[Re: fourgearsavoy]
#723120
06/13/10 07:48 PM
06/13/10 07:48 PM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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Quote:
Well I pulled the plugs from the pipes in question and they are white/gray but no aluminum yet I am going up a few sizes on the primaries as the front tubes are the ones getting dull #1 and #2 plugs look like they are more lean than the rest.
Gus
You can try fattening that corner of the carb or you
might need to balance the intake runners for more flow
on those cylinders... if you had egt's in all of
the tubes you could use them to set the intake balance
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Re: a few dull tubes on my headers
[Re: fourgearsavoy]
#723121
06/13/10 11:00 PM
06/13/10 11:00 PM
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Joined: Aug 2003
Posts: 43,211
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,211
Bend,OR USA
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which intake, carbs and jetting are you using now Gus?
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: a few dull tubes on my headers
[Re: Cab_Burge]
#723122
06/13/10 11:08 PM
06/13/10 11:08 PM
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Joined: Dec 2004
Posts: 10,555
Rittman Ohio
fourgearsavoy
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Well Cab I have an Edelbrock Performer RPM,Pro-Max 1050 body 4150 style carb,82's and 4.5 PV primary and 90's and blocked PV in the rear. Gus
64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
Dana 60
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Re: a few dull tubes on my headers
[Re: Cab_Burge]
#723124
06/14/10 08:54 AM
06/14/10 08:54 AM
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Joined: Dec 2004
Posts: 10,555
Rittman Ohio
fourgearsavoy
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Yeah maybe someday when I become rich and shameless until then I will just have to jet up a few clicks and read my plugs like always. Thanks Cab Gus
64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
Dana 60
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I was thinking that you may have had a OEM crossram with two Carter or Eddy carbs. Good luck getting the distribution correct