Page 1 of 1
NGK plugs
Posted: Wed Jul 11, 2007 1:22 pm
by race9899
r5671a-8
r5671a-9
r5671a-10
Which is colder which is hotter??
trying to get a customer to switch to NGK's
565 dart 355 heads tunnel Ram dual 1150's 325 horse fogger
Have no clue what plug he is running right now
Should he just use the -9? and then which direction if that is to cold???
Posted: Wed Jul 11, 2007 2:53 pm
by TubbedTruck67
I think the 10 is the coldest and numericly lower is hotter. I think.
Posted: Wed Jul 11, 2007 3:13 pm
by 79 Camaro
Hey Jeff, I have not talk to you in a while
On NGK's the higher the number the colder the plug is.
How much compression does this motor have?
Adam Wright
Posted: Wed Jul 11, 2007 5:22 pm
by race9899
79 Camaro wrote:Hey Jeff, I have not talk to you in a while
On NGK's the higher the number the colder the plug is.
How much compression does this motor have?
Adam Wright
14.5 to 1
Posted: Wed Jul 11, 2007 6:41 pm
by John_Heard
9's would be a good heat range to start with on the 325 shot jeff.
Posted: Thu Jul 12, 2007 6:39 am
by Mike Peters
Beyond wrote:9's would be a good heat range to start with on the 325 shot jeff.
Hey John, what's the best plug to start with on a $7500 small block and 100 shot? Something from the Sears lawnmower dept.?
Posted: Thu Jul 12, 2007 7:57 am
by John_Heard
100 Shot??? What's up with dat?
If you're serious - I suppose you might be able to do that with 7's same as N/A, you might want to drop down to -8's should you be planning on stepping on up for the next pass.
Posted: Thu Jul 12, 2007 8:02 am
by Mike Peters
Beyond wrote:100 Shot??? What's up with dat?
If you're serious - I suppose you might be able to do that with 7's same as N/A, you might want to drop down to -8's should you be planning on stepping on up for the next pass.
Just a joke my friend.
Don't need much of a plug to win the car show trophies anyway.
Posted: Thu Jul 12, 2007 8:10 am
by John_Heard
Speaking of that show car, it is gonna be time to light the wick on that thing here soon. What do you have for a jet inventory?
Posted: Thu Jul 12, 2007 8:18 am
by Mike Peters
Beyond wrote:Speaking of that show car, it is gonna be time to light the wick on that thing here soon. What do you have for a jet inventory?
I've got 26's to 40's but always willing to upgrade. You fond of 2 jet spreads or start off with a 1 spread? I don't have 34's in the jet box so, I'm assuming they're in the engine right now. I'll check inventory and let you know what I've actually got.
Posted: Thu Jul 12, 2007 8:37 am
by John_Heard
Jet spread depends on what fuel pressures you're wanting to work with, personally I prefer higher pressures which in most cases requires more spread on the jets. Higher fuel pressure = more room for error due to fuel pressure fluctuations.