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Author Topic:   Spark Plug Recommendation & Interesting Idle
JAAZZY
Gearhead

Posts: 691
From: Bay Area, CA
Registered: Apr 2001

posted 06-01-2002 11:35 AM     Click Here to See the Profile for JAAZZY     Edit/Delete Message   Reply w/Quote
I am currently using Motorcraft AGS32C spark plugs gapped at .030. The car seems to run fine with them but I was wondering if another plug or heat setting would work better. Also should I open the gap a bit?

302(342)
Compression 10.5:1
TFS Aluminum Heads (2.05/1.60)
Mallory Comp9000 Dist, Hyfire Box
Normally runs at around 160 degrees water temp.

Another intersting thing. I was out fooling around with my car and noticed that it's not idling well. If allowed it will die after 30 seconds. That seemed a bit strange so I figured I'd adjust it. I pulled of the filter to adjust the idle up a bit and the rpms went up by 200. I put the filter back on and they dropped again. I had it idling around 800 but that was probably on the low end so I bumped it to 1000 but it was intesting how much the idle dropped with the filter. This is a new K&N 2.75"x13" filter.
Any ideas? I'm thinking that maybe leaning out the idle a bit will help since extra air is causing the rpms to rise.


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Buster
Journeyman

Posts: 76
From: Orlando
Registered: May 2002

posted 06-01-2002 12:26 PM     Click Here to See the Profile for Buster   Click Here to Email Buster     Edit/Delete Message   Reply w/Quote
I would set the gap around .050" to .055" as long as it's not blown in any way.
I am running 32's without any problems.

Is this a fuel injected engine, with a MAP sensor or a MAF sensor?

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JAAZZY
Gearhead

Posts: 691
From: Bay Area, CA
Registered: Apr 2001

posted 06-01-2002 04:27 PM     Click Here to See the Profile for JAAZZY     Edit/Delete Message   Reply w/Quote
I'm using the early 1000cfm Holley Projection. The parameters are user defined.


quote:
Originally posted by Buster:
I would set the gap around .050" to .055" as long as it's not blown in any way.
I am running 32's without any problems.

Is this a fuel injected engine, with a MAP sensor or a MAF sensor?


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Buster
Journeyman

Posts: 76
From: Orlando
Registered: May 2002

posted 06-01-2002 04:49 PM     Click Here to See the Profile for Buster   Click Here to Email Buster     Edit/Delete Message   Reply w/Quote
I don't know much about that system, but I fund this...

http://www.binderbulletin.org/techlib/engine/pro-jct1.htm

Part II

http://www.binderbulletin.org/techlib/engine/pro-jct2.htm

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