06-25-2013, 10:38 AM #1
- Join Date
- Jun 2013
Difference between RC7PYCB and RC7PYCB4 spark plugs
I'm new around here and hoping to get a bit of pro advice.
I've found a bunch of new RC7PYCB4 plugs lying around in storage and wonder if they are compatible with the RC7PYCB plug required by HSR.
The only difference I see on the 'specs' pages above is that the RC7PYCB has a specified gap of .040" (1.0mm) whereas RC7PYCB4 does not.
Am I correct to assume that I can just take the RC7PYCB4 plug, make sure that I have a .040" (1.0mm) gap and call it a day?
06-25-2013, 12:21 PM #2
- Join Date
- Feb 2011
yes--they are the same plug with the one ending in "4" being a "wide gap" plug--meaning its ground electrode is a bit longer so it can be be gapped to a wider gap.
It's actually pregapped to .040 according to the detail spec on the link you provided. verify that it is .040 and you're good to go
06-25-2013, 02:35 PM #3
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