NGK spark plugs revealed (with part numbers and stock numbers)
#1
On The Tree
Thread Starter
NGK spark plugs revealed (with part numbers and stock numbers)
Mod's I put this in the N2O forum only because I was doing this research in order to find the options of plugs for various power/spray levels. If you think it's best in another forum, please feel free to move it as you see fit. Thanks...
Did some research today at the local auto parts store here in Keller. They were kind enough to let me thumb through the NGK catalogs for a good half-hour. Here's what I found for the LS1's
The plug design is as follows:
14mm
.708" Reach
5/8" Hex
Loose - Tapered Seat
Non-Resistor
Each one is one heat range colder (except the TR5/55, they are the same heat range) as you go down the list. The last three are considered racing application plugs, and may cause RFI issues with electronics, specifically stereo systems. Below the TR6's is what everyone would reference as TR7, TR8, TR9, and TR10 plugs, although NGK does NOT use these designations in their part numbers.... so you'll probably get some crazy looks if you ask a store for a set of TR7's
Hope this helps clear up some of the confusions when you have to go get spark plugs..... This info was pulled directly from NGK's 2003 Catalog. I can only assume it's correct.
Did some research today at the local auto parts store here in Keller. They were kind enough to let me thumb through the NGK catalogs for a good half-hour. Here's what I found for the LS1's
The plug design is as follows:
14mm
.708" Reach
5/8" Hex
Loose - Tapered Seat
Non-Resistor
Code:
Part # Stock # TR5 2238 TR55 3951 TR6 4177 BP7EFS 3526 R5724-8 7317 R5724-9 7891 R5724-10 7993
Hope this helps clear up some of the confusions when you have to go get spark plugs..... This info was pulled directly from NGK's 2003 Catalog. I can only assume it's correct.
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GregM784 (05-25-2021)
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oldngray (05-26-2021)
#5
The Bull
Those look familiar. I have to look around but there is a cross reference spreadsheet running around that has every spark plug heat range and make listed. Might be nice so that people can figure out what plugs to jump to if you're going to try out another one.
#7
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Originally Posted by VIl
Try to use nitrous oxide catalyser sparkplugs. It will gives up to 1/3 of additional power (from nitrous addition)...
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#10
TECH Senior Member
#11
#12
TECH Senior Member
Parts and part #s are replaced all the time.
If you knew they were correct it means you have a modern info source, making this redundant.
If you knew they were correct it means you have a modern info source, making this redundant.
#14
TECH Senior Member
#16
TECH Senior Member
#17
9 Second Club/Nitrous Mod
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Correct plug info for nitrous applications are in the sticky above: Too much Advertising, Not enough Tech - Spark Plug Reference - LS1TECH - Camaro and Firebird Forum Discussion