Re: [AMC-List] Duraspark parts problem, was Trunnion installation/help wanted

[Ken Ames <ameskg@xxxxxxxxx>]

Perhaps the gap wasn't as large on some of mine, but I did once tape a paper
clip onto the rotor to close the gap. Didn't make any difference that time. 

Ken 

Quoting Tom Jennings <tomj@xxxxxxx>:

> 
> 
> I'm having a hell of a time with something I thought would be a
> no-brainer -- cap and rotor! The Ford TFI type, for the AMC six.
> 
> Caps are expensive! Bought one plus a rotor. Installed (this was
> nearly 2 months ago now, I've been really busy), did mild tuneup,
> drove off...  horrible sputtering and breakup on the highway,
> or anything over 2000 - 2500 rpm.
> 
> To make a long story short, the rotor tip did not meet the cap
> contact! Nearly 1/4" away. The old part (still in there now)
> the gap was 1/16" or so. Spark bridged the gap OK (good spark!)
> but not enough spark to the plug at high speed. Idled just
> fine though.
> 
> I carefully measured from the rotor axis center to the tip --
> it's far too short. Both cap and reotor same brand, BLUE STREAK.
> Brought 'em back to the store, we checked all of stock, all the
> same, even the grey one (other brand, name forgotten). All the
> same size!
> 
> Anyone else have this problem?
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> 


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