hyper .21 question!
04-23-2005, 09:57 AM
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hyper .21 question!
i got a hyper .21 motor for my truck but i don't know if it takes a standard or turbo glow plug. does anyone recommend a certain kind of plug?
04-23-2005, 02:53 PM
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RE: hyper .21 question!
It takes a standard plug. I used racers edge 4's with 20% nitro and they lasted pretty long. Aren't the OS plugs shorter than the standard plugs? I looked at some OS 8's compared to some McCoy and RB plugs and the O.S. was shorter. You would have less compression if that's the case. JamesJenkins, if you have another brand of plug handy set them side by side and let us know if they are the same length. I'm curious.
04-23-2005, 04:24 PM
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RE: hyper .21 question!
I just had a look and yea they are abit shorter, but when i asked what glow plug people used in this engine alot of people said the OS no.8
