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to vent or not to vent the distributor cap?
https://slantsix.org/forum/viewtopic.php?t=16087		 Page 1 of 1
Author:  convx4 [ Tue Feb 07, 2006 10:38 am ]
Post subject:  to vent or not to vent the distributor cap?
What is the best to use on a daily driver VS. race, a vented distributor cap or un-vented.
Author:  SlantSixDan [ Tue Feb 07, 2006 10:41 am ]
Post subject: 
Use a Standard-Bluestreak CH-410X. It is vented.
Author:  edwinjmartz [ Tue Feb 07, 2006 1:37 pm ]
Post subject: 
I believe vented caps are required on electronic ignitions.
I haven't even seen a vented cap for sale for years.
Author:  SlantSixDan [ Tue Feb 07, 2006 1:47 pm ]
Post subject: 
Quote:
I believe vented caps are required on electronic ignitions.
They're not required on any ignition. It's just that they are better at resisting internal flashover and condensation buildup.
Quote:
I haven't even seen a vented cap for sale for years.
?? Echlin, Standard, BlueStreak, Wells...
Author:  convx4 [ Wed Feb 08, 2006 7:49 am ]
Post subject: 
thanks for the replys
I hope to get my slant running like better.
Author:  Eric W [ Wed Feb 08, 2006 10:00 am ]
Post subject: 
Don't get an Echlen or Bosh. The rotor was melting the material around the contacts in the last Echlen I used, and a Bosh I got (never installed, returned it) had so much casting flash around the contacts they where partialy obscured. So I took Dans advice (yet again :wink: ) and got the CH-410 Standard cap.

On a side note, the place I found the cap was a local mom & pop store, and when I told the guy what I needed, he walked right to it on the shelf. No looking on the computer, no asking if the car has AC or front disk brakes, just the correct part. Its 7 miles out of my way, but he's getting my business now!
Author:  edwinjmartz [ Sat May 14, 2011 8:49 am ]
Post subject: 
Sorry so late for the reply.
Quote:
Quote:
I believe vented caps are required on electronic ignitions.
They're not required on any ignition. It's just that they are better at resisting internal flashover and condensation buildup.

I guess I should have said "needed" instead of required. As it was explained to me, the higher temps of the electronic ignition create higher pressures under the cap and need to be vented. It'll work with a non-vented cap, but they don't last as long.
Quote:
I haven't even seen a vented cap for sale for years.
?? Echlin, Standard, BlueStreak, Wells...
I should have said *non* vented cap.
Author:  SlantSixDan [ Sat May 14, 2011 9:58 am ]
Post subject: 
Quote:
I should have said *non* vented cap.
Those are still available, too.
Author:  Ross [ Tue May 17, 2011 10:17 am ]
Post subject: 
I got a blue streak cap, after a few Weeks my truck started running weird I took the cap off and the center point for the coil that contacts the rotor has broke off :shock: No idea why. My dad had gotten it for me along with a blue streak rotor. It was quite odd.
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