what temp (#) spark plug do i need?

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Old Mar 21, 2007 | 02:57 PM
  #1  
B18tSOL's Avatar
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Default what temp (#) spark plug do i need?

B18b1 turbo......6 psi, walbro fuel pump, stock injectors, stock ignition, chipped ECU.....i need to know what temp range NGK plug i need....the stock plugs i have are speed glazed
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Old Mar 21, 2007 | 03:01 PM
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Default Re: what temp (#) spark plug do i need? (B18tSOL)

8s are good
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Old Mar 21, 2007 | 06:56 PM
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Default Re: what temp (Dual Cam Racing)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Dual Cam Racing &raquo;</TD></TR><TR><TD CLASS="quote">8s are good</TD></TR></TABLE>

are you serious?

7's are what you want.
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Old Mar 22, 2007 | 11:55 AM
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Default Re: what temp (mike93eh2)

7s are a bit too cold, 8s are used here and no problems, some ppl even use 9s
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Old Mar 22, 2007 | 01:16 PM
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Default Re: what temp (Dual Cam Racing)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Dual Cam Racing &raquo;</TD></TR><TR><TD CLASS="quote">7s are a bit too cold, 8s are used here and no problems, some ppl even use 9s</TD></TR></TABLE>

i would definitely not listen to this guy. he doesn't know what he is talking about

first off, the smaller the number of the plug the hotter it's rating is . therefore 7's aren't Too cold compared to 8's. 8's are colder compared to 7's

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Old Mar 22, 2007 | 04:14 PM
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wow, alot of misinformed people. thanks for clearing that up hybrid
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Old Mar 22, 2007 | 08:52 PM
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Default Re: (mike93eh2)

ls with t3 at 6psi, I would probably try a #6 before going to #7.
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Old Mar 22, 2007 | 09:06 PM
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Default Re: (ramennoodles)

i would never run 6's on a turbo honda ... 7's will do just fine
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Old Mar 22, 2007 | 11:09 PM
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Default Re: what temp (#) spark plug do i need? (B18tSOL)

#9 here... On pump gas, I'd stay with a colder plug. I suggest #8 to start with.
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Old Mar 22, 2007 | 11:32 PM
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Default Re: what temp (#) spark plug do i need? (B18tSOL)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Dual Cam Racing &raquo;</TD></TR><TR><TD CLASS="quote">7s are a bit too cold, 8s are used here and no problems, some ppl even use 9s</TD></TR></TABLE>

I'm tuned at 48psi with #9's

On pump gas cars around 18-22psi I like to use #8's

#7's would be perfect for 6psi

I believe the B18B uses #5's stock

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Old Mar 23, 2007 | 03:40 AM
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Default Re: what temp (PHDZINE)

****, im running #10's. cold startup is a bitch!
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Old Mar 23, 2007 | 04:23 AM
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Default Re: what temp (boosted k20)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by boosted k20 &raquo;</TD></TR><TR><TD CLASS="quote">****, im running #10's. cold startup is a bitch!</TD></TR></TABLE>

What would be the negative effects of running a plug that is colder than what you should be running. For example if I run an 8, and goto 9?
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Old Mar 23, 2007 | 04:33 AM
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Default Re: what temp (Dual Cam Racing)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Dual Cam Racing &raquo;</TD></TR><TR><TD CLASS="quote">7s are a bit too cold, 8s are used here and no problems, some ppl even use 9s</TD></TR></TABLE>

The higher the number the colder the plug.

7's will be fine

ngk 3330
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Old Mar 23, 2007 | 07:06 AM
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Default Re: what temp (PrecisionH23a)

so on my b18b1 with 9psi I should run my 7's? When I put my 7's in with my basemap tune, they seemed to get real rich, as the other plugs are ok. Is this because of the colder plug?
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Old Mar 23, 2007 | 08:07 AM
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Default Re: what temp (spoolin_teg)

Running a plug thats too cold means it won't reach its self-cleaning temp, and you get hella-deposites. Running one thats too hot and you'll bake the plug, possibly crackingthe insulator, etc. The plug itself won't make it too rich or lean, except when its covered with ****, and can't toss a good spark across the gap. Best thing you can do with a daily driver with colder plugs is show it some hard boost on occation.

It really depends on what your plugs 'read' as. Get it tuned well, read/change the plugs, then mild retune, reread.
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Old Mar 23, 2007 | 08:21 AM
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Default Re: what temp (boosted k20)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by boosted k20 &raquo;</TD></TR><TR><TD CLASS="quote">****, im running #10's. cold startup is a bitch!</TD></TR></TABLE>

Check your tune...I have #9's with 1600cc injectors and no Idle control motor and the car fires up very well...even in the winter....we spent lots of time on cold start tuning.
How much boost are you ruuning with those #10's
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Old Mar 23, 2007 | 09:15 AM
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Default

i got my gsr tuned on 9's and later switched to 8's and then 7's. my car had a weird idle on 9's and i didn't even make 300hp, so 7's were well suited.

so it's up to you, 7 or 8's. i would say go 7's.
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Old Mar 23, 2007 | 02:23 PM
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Default Re: (kidsafe yee)

haha, my bad, i knew i got it back words, thanks for clearing it up, my mistake
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Old Mar 23, 2007 | 02:43 PM
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Default Re: what temp (#) spark plug do i need? (B18tSOL)

i used 7's from 200 to 300 + whp.. i have no idea on size of your turbo but i know anywhere in that hp range you're fine with 7's
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Old Mar 24, 2007 | 05:23 AM
  #20  
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Default Re: what temp (PHDZINE)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by PHDZINE &raquo;</TD></TR><TR><TD CLASS="quote">

Check your tune...I have #9's with 1600cc injectors and no Idle control motor and the car fires up very well...even in the winter....we spent lots of time on cold start tuning.
How much boost are you ruuning with those #10's</TD></TR></TABLE>


i fined tuned my car for daily driving/idle and i fixed that cold idle. i needed to add more fuel in the coolant temp correction map
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