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I need a colder spark plug...anyone????


J Taylor

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I am running alot of boost in my 280Z and would love to have a colder spark plug to go in it. The stock NGK plug is BCPR-6es11..cold would be 7es11 but noone has it or can get it. Have had the same problem when trying to find a colder plug for my 300 turbo as well....the number is 6e11 so I want a 7e11 but can't get it anywhere. Any of you boosted guys running a colder plug???

JT

 

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JT, I don't know if AC has a crossover for the Z engine, but I've had excellent luck with the Rapidfires. I use number 1. Also had good results with the stock plugs for the Syclone 4.3. I know ACs don't sound as cool as NKG or Bosch, but work great in mine with lots of boost.

JS

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Morgan....any reason the 7es-11 would not work in out vg30's? What's the benefit of having the v-groove?

JT

P.S. Someone else told me I could use the BPR-7es or 8es as a colder plug for the 280......should work for the vg30 as well, right?

 

 

 

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1978 280z with 280zx turbo motor. Big turbo, big intercooler, and alotta boost. :)

1984 300zx turbo....little turbo, no intercooler, and some boost....13.96 @ 98.9

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OOps, I meant is there any reason the 7es wouldn't work right in the vg30 turbo.

JT

 

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1978 280z with 280zx turbo motor. Big turbo, big intercooler, and alotta boost. :)

1984 300zx turbo....little turbo, no intercooler, and some boost....13.96 @ 98.9

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Someone over at zcar.com was mentioning that they were using RX7 plugs in their Z and getting more power... I am pretty sure that the RX7 plugs are commonly available in ranges up to 9es11 from NGK...

 

 

 

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"THE STREETS WILL FLOW WITH THE OIL OF THE NON-BELIEVERS"

 

Drax240z

1972 240z - L28TURBO transplant on the way!

http://members.xoom.com/r_lewis/datsun.html

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TRY out the ev series.

b8ev its ngk high perf plug. about $4 ea.

i run 9's in the race car and 10's on a long straightaway.

they are a fine wire tip and less prone to detonation from retained heat.

hey and index them as well to get the ideal path.

 

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Mike

http://www.fonebooth.com

raceparts and brakeupgrades

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  • 8 years later...

So whats the best plug to run on a 83' 280zx turbo engine for performance?

 

BPR6EIX-stock turbo spec'd spark plug

BPR7EIX-colder

BPR8EIX

BPR9EIX

BPR10EIX-coldest

 

So you will get better performance out of a colder spark plug?

 

this being said the BPR10's are made for snowmobile's

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  • 2 weeks later...
No reason why the RB should need a different plug than a 2JZ in a high-boost application. Both Z-Gad and I run BPR7E with great success gapped down to 22-23.

 

 

http://www.ngk.com/results_cross.asp?pid=BPR7E&x=36&y=14

 

 

unless u mean BPR7ES: http://www.ngk.com/results_cross.asp?pid=bpr7es&x=44&y=5

 

the only diff is the S which indicates no v-groove

 

any reason you run the PRojected tip over the standard tip ?

 

I know a projected style spark plug firing tip temperature is increased by 10°C to 20°C and that a projected tip gives you an additional step between heat ranges..... so a bpr7 is like a 6.5 br haha just asking..

 

 

 

And this thread is 9 years old.....

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