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12-08-2012, 09:37 AM
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#1 | |
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Re: Autolite double platinum plugs? Also indexing?
Quote:
The plug I'm going to try is an Autolite APP5263. My cylinder head is from a 2000 PT Cruiser. Ed I've heard the same thing about the extended plug and the timing. I'll take some out before running it. I ran more timing than other comparable neons. Could have been the retracted tip.
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Art Leong 2095 SS Last edited by art leong; 12-08-2012 at 09:40 AM. |
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12-08-2012, 02:02 PM
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#2 |
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Re: Autolite double platinum plugs? Also indexing?
Here are some pics of the plugs
 Brisk RR12S on left, Champion 470 (stock) center Autolite APP5263 on right.   Brisk plug in head  Autolite plug in head
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Art Leong 2095 SS |
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12-09-2012, 01:11 AM
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#3 |
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Re: Autolite double platinum plugs? Also indexing?
Art,
I would recommend the following Autolite Racing plug numbers: AR3932X or AR3933X The AR3932X is a colder plug. |
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12-09-2012, 09:58 AM
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#4 | |
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Re: Autolite double platinum plugs? Also indexing?
Quote:
Those are the parameters I need
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Art Leong 2095 SS |
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12-09-2012, 05:51 PM
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#5 | |
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Re: Autolite double platinum plugs? Also indexing?
Quote:
The Champion 470 is 25.5mm (1.00") long. The Autolite AR3932X is 25mm (0.984) long. The Autolite plug is also shown as a plug application for the late model Hemi engine. It may not require adding the washers as you want to.  
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12-09-2012, 07:47 PM
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#6 |
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Location: Davidson, NC
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Re: Autolite double platinum plugs? Also indexing?
The Autolite X plug shown is 3/4 reach gasket seat, They do make a .708 tapered seat X plug I have all of the X plugs in stock.
Rich |
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12-09-2012, 08:00 PM
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#7 |
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Re: Autolite double platinum plugs? Also indexing?
What's the story on the X plugs? Any performance gains? What is the target market?
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Jeff Lee 7494 D/S '70 AMX |
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12-10-2012, 01:06 AM
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#8 | |
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Re: Autolite double platinum plugs? Also indexing?
Quote:
It double checked and the above plug is incorrect. The confusion stems from your statement for a plug for a 2000 PT Cruiser cylinder head. The PT Cruiser was launched in 2000 as a 2001 model. So, for a 2000 Neon application, the spark plug is not tapered, it uses a gasket and the above racing plug will work. You should look at the tapered plug that Rich (quickford1) has available. |
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12-11-2012, 10:48 AM
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#9 |
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Re: Autolite double platinum plugs? Also indexing?
To try to answer everybody at once I will try to explain the X plug. It was first used in Nascar because of ground straps burning off or breaking off, they are made by both Autolite& Champion in limited heat ranges and numbers .They are used by just about every team. They are available 708 tapered seat & 3/4 reach gasket seat. The best part is no need to index. These plugs are made in limited runs so are hard to get sometimes.
Rich |
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