Odd problem, rotor rubbing dist. cap
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Supreme Member
Joined: Jan 2004
Posts: 2,322
Likes: 100
From: So. Ohio
Car: 88 Camaro
Engine: L98 350
Transmission: 700r4
Odd problem, rotor rubbing dist. cap
Never seen this before, get a funny noise when the engine is cold. Took a while to find the noise, but the rotor is rubbing against the inside of the distributor cap. This is the top plastic part of the rotor and leaves a circle on the underside of the cap. Replaced cap and rotor with NAPA's best, $38, but still have the noise. Seems to go away when it gets hot. Ever seen this before? Is there a fix?
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iTrader: (7)
Joined: Aug 2005
Posts: 1,068
Likes: 1
From: Ohio, near columbus
Car: 89 iroc-z
Engine: 305tpi
Transmission: wc-t5
Axle/Gears: 10 bolt 3.08 posi (4 now)
wow never heard of that before, that's really odd. My advice would be take the 38 dollar napa cap back and order a 35.00 cap and rotor kit from msd off of summitracing.com.
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Joined: Sep 2005
Posts: 48
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From: oxford,n.c.
Car: 1991 transam,gunmetal,t-tops,
Engine: 305,.030,k&n,airfoil,3inch exhaust,flowmaster80
Transmission: 700 r4
Axle/Gears: 4:10 posi unit
re: rotor
ive seen this before,either the rotor isnt goin all the way down(maybe a burr on shaft, is it rusty by any chance? also,could be a badly worn shaft)be sure the button is down first ,be careful not to break rotor .(if you have the old rotor use that) hope this helps,jimmy 
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iTrader: (3)
Joined: Nov 2001
Posts: 2,428
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From: Fairview Heights Illinois
Car: 1986 Irocz
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: 3.25:1
pull the distributor and find the cause. First place I'd check is the slop where the gear is mounted.
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